From 69ae16879cdf8b4de928fede524c1243b7b32d54 Mon Sep 17 00:00:00 2001 From: Date: Thu, 20 Jul 2017 20:26:53 -0400 Subject: [PATCH] Fast-forward to later exercises - Saddle Point in progress --- .../.gradle/3.5/file-changes/last-build.bin | Bin 0 -> 1 bytes .../.gradle/3.5/taskHistory/taskHistory.lock | Bin 0 -> 17 bytes .../.gradle/buildOutputCleanup/built.bin | 0 .../buildOutputCleanup/cache.properties | 2 + .../buildOutputCleanup/cache.properties.lock | 1 + kotlin/atbash-cipher/.idea/compiler.xml | 9 + kotlin/atbash-cipher/.idea/gradle.xml | 19 + .../libraries/Gradle__junit_junit_4_12.xml | 11 + ...Gradle__org_hamcrest_hamcrest_core_1_3.xml | 11 + ...Gradle__org_jetbrains_annotations_13_0.xml | 11 + ...g_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml | 11 + ...org_jetbrains_kotlin_kotlin_test_1_1_1.xml | 11 + ...tbrains_kotlin_kotlin_test_junit_1_1_1.xml | 11 + kotlin/atbash-cipher/.idea/misc.xml | 6 + kotlin/atbash-cipher/.idea/modules.xml | 10 + .../.idea/modules/atbash-cipher_main.iml 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a/kotlin/atbash-cipher/.idea/modules/atbash-cipher_main.iml b/kotlin/atbash-cipher/.idea/modules/atbash-cipher_main.iml new file mode 100644 index 0000000..10e6286 --- /dev/null +++ b/kotlin/atbash-cipher/.idea/modules/atbash-cipher_main.iml @@ -0,0 +1,39 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/atbash-cipher/.idea/modules/atbash-cipher_test.iml b/kotlin/atbash-cipher/.idea/modules/atbash-cipher_test.iml new file mode 100644 index 0000000..38bbaee --- /dev/null +++ b/kotlin/atbash-cipher/.idea/modules/atbash-cipher_test.iml @@ -0,0 +1,45 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/atbash-cipher/.idea/workspace.xml b/kotlin/atbash-cipher/.idea/workspace.xml new file mode 100644 index 0000000..4ad3b6a --- /dev/null +++ b/kotlin/atbash-cipher/.idea/workspace.xml @@ -0,0 +1,746 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + true + DEFINITION_ORDER + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 1500477383851 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 1.8 + + + + + + + + \ No newline at end of file diff --git a/kotlin/collatz-conjecture/README.md b/kotlin/collatz-conjecture/README.md new file mode 100644 index 0000000..8a6827d --- /dev/null +++ b/kotlin/collatz-conjecture/README.md @@ -0,0 +1,36 @@ +# Collatz Conjecture + +The Collatz Conjecture or 3x+1 problem can be summarized as follows: + +Take any positive integer n. If n is even, divide n by 2 to get n / 2. If n is +odd, multiply n by 3 and add 1 to get 3n + 1. Repeat the process indefinitely. +The conjecture states that no matter which number you start with, you will +always reach 1 eventually. + +Given a number n, return the number of steps required to reach 1. + +## Examples +Starting with n = 12, the steps would be as follows: + +0. 12 +1. 6 +2. 3 +3. 10 +4. 5 +5. 16 +6. 8 +7. 4 +8. 2 +9. 1 + +Resulting in 9 steps. So for input n = 12, the return value would be 9. + + + + +## Source + +An unsolved problem in mathematics named after mathematician Lothar Collatz [https://en.wikipedia.org/wiki/3x_%2B_1_problem](https://en.wikipedia.org/wiki/3x_%2B_1_problem) + +## Submitting Incomplete Solutions +It's possible to submit an incomplete solution so you can see how others have completed the exercise. diff --git a/kotlin/collatz-conjecture/build.gradle b/kotlin/collatz-conjecture/build.gradle new file mode 100644 index 0000000..0e6528d --- /dev/null +++ b/kotlin/collatz-conjecture/build.gradle @@ -0,0 +1,28 @@ +buildscript { + ext.kotlin_version = '1.1.1' + repositories { + mavenCentral() + } + dependencies { + classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" + } +} + +apply plugin: 'kotlin' + +repositories { + mavenCentral() +} + +dependencies { + compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version" + + testCompile 'junit:junit:4.12' + testCompile "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version" +} +test { + testLogging { + exceptionFormat = 'full' + events = ["passed", "failed", "skipped"] + } +} diff --git a/kotlin/collatz-conjecture/build/kotlin-build/caches/version.txt b/kotlin/collatz-conjecture/build/kotlin-build/caches/version.txt new file mode 100644 index 0000000..01aabac --- /dev/null +++ b/kotlin/collatz-conjecture/build/kotlin-build/caches/version.txt @@ -0,0 +1 @@ +11001 \ No newline at end of file diff --git a/kotlin/collatz-conjecture/collatz-conjecture.iml b/kotlin/collatz-conjecture/collatz-conjecture.iml new file mode 100644 index 0000000..93260f9 --- /dev/null +++ b/kotlin/collatz-conjecture/collatz-conjecture.iml @@ -0,0 +1,13 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/collatz-conjecture/out/production/classes/CollatzCalculator$Companion.class b/kotlin/collatz-conjecture/out/production/classes/CollatzCalculator$Companion.class new file mode 100644 index 0000000000000000000000000000000000000000..9c4aff0f19ec301119c8d4b61fdfebd27f53068c GIT binary patch literal 1466 zcmb7EOK%%h6#ni!Y-ey2=TY)gOw#u+Au zfgbLM!6V-EMG}(?qj@jS^ObxkzKFe0Fff8-M}#sWgi3U}n(TWdE!6*`b=28}C%ZM> z7_-n%p4D|OFjNZl!$A3-EFTq?-EAFcz-lw&KaxLS|Vd>diFy?hi$DfN`h&( zzjQYUk6x)b6a>eURNIA~CQ)V>dA^gh2Nz6M4)yv~gBHzeq8_;1-{qmFXZlbd3}baq ziVu6MIM7^bDDEEa@a{l%8bKVo;=ZTNr~1M@(Tv;MkCl)Sts_IaCZ!0gK93?n^Pl~g z*52!gT`%$|%a)XZ;(Bo-RA^onbrLW!4jT!={5na0kZcouZ{GYKN$UibxtV=}>50_3 z^(&lDX04ww`V0>$A-nxS207Jp_5`3b3`>aPdbJ-h+jjRPK&%PD%HX@inK@tFCmF# zr09MGx9KB$hwSc>ZX2U`lRPp=j=anM!VLXQHg4OLV+`2=&@xe)H0;t-yz&z<29*d3 z(Nhiz(dl((=r%($!WH6mmu?f)1#9Qr(7BJoevZP%tAwtPVi1Pvzoo-b)o&3E8#`Mc zIWJll=Y!q{=#(0{bMC%#Jy*%S(D;IK_(VFTx>LDUS+3k#uQ;V`hl&S1F&e-st-&nT xNv@Hs`fgc5PfUs(-@kxg(ieTfdT;uOmd_Z5*Q&>NoCP+q*T}ohfm419 zC$5M?C6G|mBR>i;o3!N+$vZo5X5RSi%%8tMe*@^E%}@{1IOgU{$m1v{C(X)W47D+z z@*w8wWAJ)77Lh5#Whm`SCCyU?w|&3wqll7+0?G^p^GRxkjowPPJ%-AD6rb{{VVZpA zN~Vfod$oA?JWaHEZ;~1!28Y7%5jUJ-PBL{#IkTojaJYbAU=u>44nuoB^F62Gcus9T z^PGy?n9p|HuJf2ZVea$d$=8xob56dM3bww>s28@P

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return steps + } + } +} \ No newline at end of file diff --git a/kotlin/collatz-conjecture/src/test/kotlin/CollatzCalculatorTest.kt b/kotlin/collatz-conjecture/src/test/kotlin/CollatzCalculatorTest.kt new file mode 100644 index 0000000..1937150 --- /dev/null +++ b/kotlin/collatz-conjecture/src/test/kotlin/CollatzCalculatorTest.kt @@ -0,0 +1,52 @@ +import org.junit.Ignore +import org.junit.Rule +import org.junit.Test +import org.junit.rules.ExpectedException +import kotlin.test.assertEquals + +/* + * version: 1.1.0 + */ +class CollatzCalculatorTest { + + @Rule + @JvmField + var expectedException: ExpectedException = ExpectedException.none() + + @Test + fun testZeroStepsRequiredWhenStartingFrom1() { + assertEquals(0, CollatzCalculator.computeStepCount(1)) + } + + @Test + fun testCorrectNumberOfStepsWhenAllStepsAreDivisions() { + assertEquals(4, CollatzCalculator.computeStepCount(16)) + } + + @Test + fun testCorrectNumberOfStepsWhenBothStepTypesAreNeeded() { + assertEquals(9, CollatzCalculator.computeStepCount(12)) + } + + @Test + fun testAVeryLargeInput() { + assertEquals(152, CollatzCalculator.computeStepCount(1000000)) + } + + @Test + fun testZeroIsConsideredInvalidInput() { + expectedException.expect(IllegalArgumentException::class.java) + expectedException.expectMessage("Only natural numbers are allowed") + + CollatzCalculator.computeStepCount(0) + } + + @Test + fun testNegativeIntegerIsConsideredInvalidInput() { + expectedException.expect(IllegalArgumentException::class.java) + expectedException.expectMessage("Only natural numbers are allowed") + + CollatzCalculator.computeStepCount(-15) + } + +} diff --git a/kotlin/grains/.gradle/3.5/file-changes/last-build.bin b/kotlin/grains/.gradle/3.5/file-changes/last-build.bin new file mode 100644 index 0000000000000000000000000000000000000000..f76dd238ade08917e6712764a16a22005a50573d GIT binary patch literal 1 IcmZPo000310RR91 literal 0 HcmV?d00001 diff --git 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b/kotlin/grains/.gradle/buildOutputCleanup/cache.properties.lock @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/kotlin/grains/.idea/compiler.xml b/kotlin/grains/.idea/compiler.xml new file mode 100644 index 0000000..aaf908b --- /dev/null +++ b/kotlin/grains/.idea/compiler.xml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grains/.idea/gradle.xml b/kotlin/grains/.idea/gradle.xml new file mode 100644 index 0000000..20d2df6 --- /dev/null +++ b/kotlin/grains/.idea/gradle.xml @@ -0,0 +1,19 @@ + + + + + + \ No newline at end of file diff --git a/kotlin/grains/.idea/libraries/Gradle__junit_junit_4_12.xml b/kotlin/grains/.idea/libraries/Gradle__junit_junit_4_12.xml new file mode 100644 index 0000000..c4f27b9 --- /dev/null +++ b/kotlin/grains/.idea/libraries/Gradle__junit_junit_4_12.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grains/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml 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+ + + + + \ No newline at end of file diff --git a/kotlin/grains/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml b/kotlin/grains/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml new file mode 100644 index 0000000..6325d98 --- /dev/null +++ b/kotlin/grains/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grains/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml b/kotlin/grains/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml new file mode 100644 index 0000000..1f91870 --- /dev/null +++ b/kotlin/grains/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grains/.idea/misc.xml b/kotlin/grains/.idea/misc.xml new file mode 100644 index 0000000..84da703 --- /dev/null +++ b/kotlin/grains/.idea/misc.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/kotlin/grains/.idea/modules.xml b/kotlin/grains/.idea/modules.xml new file mode 100644 index 0000000..a4734df --- /dev/null +++ b/kotlin/grains/.idea/modules.xml @@ -0,0 +1,10 @@ + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grains/.idea/modules/grains_main.iml b/kotlin/grains/.idea/modules/grains_main.iml new file mode 100644 index 0000000..de01fe1 --- /dev/null +++ b/kotlin/grains/.idea/modules/grains_main.iml @@ -0,0 +1,39 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grains/.idea/modules/grains_test.iml b/kotlin/grains/.idea/modules/grains_test.iml new file mode 100644 index 0000000..6da5426 --- /dev/null +++ b/kotlin/grains/.idea/modules/grains_test.iml @@ -0,0 +1,45 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/grains/.idea/workspace.xml b/kotlin/grains/.idea/workspace.xml new file mode 100644 index 0000000..910c7dd --- /dev/null +++ b/kotlin/grains/.idea/workspace.xml @@ -0,0 +1,720 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @ignore + + + + + + + + + + + + + + + + + + true + DEFINITION_ORDER + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 1500321136890 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + file://$PROJECT_DIR$/src/test/kotlin/LuhnTest.kt + 29 + + + + file://$PROJECT_DIR$/src/test/kotlin/LuhnTest.kt + 36 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/luhn/README.md b/kotlin/luhn/README.md new file mode 100644 index 0000000..8f8c93b --- /dev/null +++ b/kotlin/luhn/README.md @@ -0,0 +1,73 @@ +# Luhn + +Given a number determine whether or not it is valid per the Luhn formula. + +The [Luhn algorithm](https://en.wikipedia.org/wiki/Luhn_algorithm) is +a simple checksum formula used to validate a variety of identification +numbers, such as credit card numbers and Canadian Social Insurance +Numbers. + +The task is to check if a given string is valid. + +Validating a Number +------ + +Strings of length 1 or less are not valid. Spaces are allowed in the input, +but they should be stripped before checking. All other non-digit characters +are disallowed. + +## Example 1: valid credit card number + +``` +4539 1488 0343 6467 +``` + +The first step of the Luhn algorithm is to double every second digit, +starting from the right. We will be doubling + +``` +4_3_ 1_8_ 0_4_ 6_6_ +``` + +If doubling the number results in a number greater than 9 then subtract 9 +from the product. The results of our doubling: + +``` +8569 2478 0383 3437 +``` + +Then sum all of the digits: + +``` +8+5+6+9+2+4+7+8+0+3+8+3+3+4+3+7 = 80 +``` + +If the sum is evenly divisible by 10, then the number is valid. This number is valid! + +## Example 2: invalid credit card number + +``` +8273 1232 7352 0569 +``` + +Double the second digits, starting from the right + +``` +7253 2262 5312 0539 +``` + +Sum the digits + +``` +7+2+5+3+2+2+6+2+5+3+1+2+0+5+3+9 = 57 +``` + +57 is not evenly divisible by 10, so this number is not valid. + +## Source + +The Luhn Algorithm on Wikipedia [http://en.wikipedia.org/wiki/Luhn_algorithm](http://en.wikipedia.org/wiki/Luhn_algorithm) + +## Submitting Incomplete Solutions +It's possible to submit an incomplete solution so you can see how others have completed the exercise. + diff --git a/kotlin/luhn/build.gradle b/kotlin/luhn/build.gradle new file mode 100644 index 0000000..0e6528d --- /dev/null +++ b/kotlin/luhn/build.gradle @@ -0,0 +1,28 @@ +buildscript { + ext.kotlin_version = '1.1.1' + repositories { + mavenCentral() + } + dependencies { + classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" + } +} + +apply plugin: 'kotlin' + +repositories { + mavenCentral() +} + +dependencies { + compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version" + + testCompile 'junit:junit:4.12' + testCompile "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version" +} +test { + testLogging { + exceptionFormat = 'full' + events = ["passed", "failed", "skipped"] + } +} diff --git a/kotlin/luhn/build/classes/main/Luhn.class b/kotlin/luhn/build/classes/main/Luhn.class new file mode 100644 index 0000000000000000000000000000000000000000..ea1ce58e184175b54bbacf207b61e000ff02861d GIT binary patch literal 2614 zcmai0-ESLJ7XRJx*kezoi5u!RDU=4{E=`)&aiE4KrQ0-3Srf0}rsnCH_2@F^Q2P(_5vUqHZ~oM7HUH+oF$L0UizB+)B?B=+&Z?eL+z9p+lFf*EFIzd(;K8?IfE z*{Zx{H{DR+_0DMR>^vUranAK(2d|BCsDssZWuXuKCJx}>BZX>74Ll`~aHY2tE(^qt z4izmtjl(7mVSpLh$$U%wT+?x@(l_udtxh|h6P}5zn29Wom>9$#D5xyk{v;2kA1w|| zSvZOzw>14+*R=qlnL!}BKc zc!5alMnigRz^91hvCOm&Ghv~C7ZvuGl;SS9Iu*y2BAasm4!kKIcTT?1lwL&|c$pX- zwv!#!eSwM2+IA{V43*kFQmMNxuT0eRN~72|Cayo?tSa0j@4)|2HZaBXF55ww9T%14 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kotlin.test.assertFalse +import kotlin.test.assertTrue + +class LuhnTest { + + + @Test + fun singleDigitStringsCannotBeValid() { + assertFalse(Luhn.isValid("1")) + } + + + @Test + fun singleZeroIsInvalid() { + assertFalse(Luhn.isValid("0")) + } + + + @Test + fun simpleValidSINThatRemainsValidIfReversed() { + assertTrue(Luhn.isValid("059")) + assertTrue(Luhn.isValid("950")) + } + + + @Test + fun simpleValidSINThatBecomesInvalidIfReversed() { + assertTrue(Luhn.isValid("59")) + assertFalse(Luhn.isValid("95")) + } + + + @Test + fun validCanadianSIN() { + assertTrue(Luhn.isValid("055 444 285")) + } + + + @Test + fun invalidCanadianSIN() { + assertFalse(Luhn.isValid("055 444 286")) + } + + + @Test + fun invalidCreditCard() { + assertFalse(Luhn.isValid("8273 1232 7352 0569")) + } + + + @Test + fun validStringsWithNonDigitIncludedBecomeInvalid() { + assertFalse(Luhn.isValid("055a 444 285")) + } + + + @Test + fun validStringsWithPunctuationIncludedBecomeInvalid() { + assertFalse(Luhn.isValid("055-444-285")) + } + + + @Test + fun validStringsWithSymbolsIncludedBecomeInvalid() { + assertFalse(Luhn.isValid("055£ 444$ 285")) + } + + + @Test + fun singleZeroWithSpaceIsInvalid() { + assertFalse(Luhn.isValid(" 0")) + } + + + @Test + fun moreThanSingleZeroIsValid() { + assertTrue(Luhn.isValid("0000 0")) + } + + + @Test + fun inputDigit9IsCorrectlyConvertedToOutputDigit9() { + assertTrue(Luhn.isValid("091")) + } + +} diff --git a/kotlin/nth-prime/.gradle/3.5/file-changes/last-build.bin b/kotlin/nth-prime/.gradle/3.5/file-changes/last-build.bin new file mode 100644 index 0000000000000000000000000000000000000000..f76dd238ade08917e6712764a16a22005a50573d GIT binary patch literal 1 IcmZPo000310RR91 literal 0 HcmV?d00001 diff --git a/kotlin/nth-prime/.gradle/3.5/taskHistory/taskHistory.lock b/kotlin/nth-prime/.gradle/3.5/taskHistory/taskHistory.lock new file mode 100644 index 0000000000000000000000000000000000000000..5a74852614ced94f9dc0f6dbb029af14ce6190a3 GIT binary patch literal 17 TcmZRc#FDKSz2e_d1}FdkE+qr` literal 0 HcmV?d00001 diff --git a/kotlin/nth-prime/.gradle/buildOutputCleanup/built.bin b/kotlin/nth-prime/.gradle/buildOutputCleanup/built.bin new file mode 100644 index 0000000..e69de29 diff --git a/kotlin/nth-prime/.gradle/buildOutputCleanup/cache.properties b/kotlin/nth-prime/.gradle/buildOutputCleanup/cache.properties new file mode 100644 index 0000000..44c833f --- /dev/null +++ b/kotlin/nth-prime/.gradle/buildOutputCleanup/cache.properties @@ -0,0 +1,2 @@ +#Wed Jul 19 19:34:35 EDT 2017 +gradle.version=3.5 diff --git a/kotlin/nth-prime/.gradle/buildOutputCleanup/cache.properties.lock b/kotlin/nth-prime/.gradle/buildOutputCleanup/cache.properties.lock new file mode 100644 index 0000000..40fdece --- /dev/null +++ b/kotlin/nth-prime/.gradle/buildOutputCleanup/cache.properties.lock @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/kotlin/nth-prime/.idea/compiler.xml b/kotlin/nth-prime/.idea/compiler.xml new file mode 100644 index 0000000..20a1152 --- /dev/null +++ b/kotlin/nth-prime/.idea/compiler.xml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/kotlin/nth-prime/.idea/gradle.xml b/kotlin/nth-prime/.idea/gradle.xml new file mode 100644 index 0000000..20d2df6 --- /dev/null +++ b/kotlin/nth-prime/.idea/gradle.xml @@ -0,0 +1,19 @@ + + + + + + \ No newline at end of file diff --git a/kotlin/nth-prime/.idea/libraries/Gradle__junit_junit_4_12.xml b/kotlin/nth-prime/.idea/libraries/Gradle__junit_junit_4_12.xml new file mode 100644 index 0000000..c4f27b9 --- /dev/null +++ b/kotlin/nth-prime/.idea/libraries/Gradle__junit_junit_4_12.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/nth-prime/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml b/kotlin/nth-prime/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml new file mode 100644 index 0000000..e29af23 --- /dev/null +++ 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+ + + \ No newline at end of file diff --git a/kotlin/nth-prime/.idea/modules.xml b/kotlin/nth-prime/.idea/modules.xml new file mode 100644 index 0000000..ef0f00f --- /dev/null +++ b/kotlin/nth-prime/.idea/modules.xml @@ -0,0 +1,10 @@ + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/nth-prime/.idea/modules/nth-prime_main.iml b/kotlin/nth-prime/.idea/modules/nth-prime_main.iml new file mode 100644 index 0000000..cc05efa --- /dev/null +++ b/kotlin/nth-prime/.idea/modules/nth-prime_main.iml @@ -0,0 +1,39 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/nth-prime/.idea/modules/nth-prime_test.iml b/kotlin/nth-prime/.idea/modules/nth-prime_test.iml new file mode 100644 index 0000000..8762861 --- /dev/null +++ b/kotlin/nth-prime/.idea/modules/nth-prime_test.iml @@ -0,0 +1,45 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/nth-prime/.idea/workspace.xml b/kotlin/nth-prime/.idea/workspace.xml new file mode 100644 index 0000000..3940738 --- /dev/null +++ b/kotlin/nth-prime/.idea/workspace.xml @@ -0,0 +1,714 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @Ignore\n + + + + + + + + + + + + + + + + + + true + DEFINITION_ORDER + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +Generated by +Gradle 3.5 at Jul 16, 2017 11:25:57 AM

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+

Test Summary

+
+ + + + + +
+
+ + + + + + + +
+
+
16
+

tests

+
+		 +
+
0
+

failures

+
+		 +
+
0
+

ignored

+
+		 +
+
0.015s
+

duration

+
+
+
+		 +
+
100%
+

successful

+
+
+
+
+ +
+

Packages

+ + + + + + + + + + + + + + + + + + + + + +
PackageTestsFailuresIgnoredDurationSuccess rate
+default-package +16000.015s100%
+
+
+

Classes

+ + + + + + + + + + + + + + + + + + + + +
ClassTestsFailuresIgnoredDurationSuccess rate
+RaindropsTest +16000.015s100%
+
+
+ +
+ + diff --git a/kotlin/raindrops/build/reports/tests/test/js/report.js b/kotlin/raindrops/build/reports/tests/test/js/report.js new file mode 100644 index 0000000..83bab4a --- /dev/null +++ b/kotlin/raindrops/build/reports/tests/test/js/report.js @@ -0,0 +1,194 @@ +(function (window, document) { + "use strict"; + + var tabs = {}; + + function changeElementClass(element, classValue) { + if (element.getAttribute("className")) { + element.setAttribute("className", classValue); + } else { + element.setAttribute("class", classValue); + } + } + + function getClassAttribute(element) { + if (element.getAttribute("className")) { + return element.getAttribute("className"); + } else { + return element.getAttribute("class"); + } + } + + function addClass(element, classValue) { + changeElementClass(element, getClassAttribute(element) + " " + classValue); + } + + function removeClass(element, classValue) { + changeElementClass(element, getClassAttribute(element).replace(classValue, "")); + } + + function initTabs() { + var container = document.getElementById("tabs"); + + tabs.tabs = findTabs(container); + tabs.titles = findTitles(tabs.tabs); + tabs.headers = findHeaders(container); + tabs.select = select; + tabs.deselectAll = deselectAll; + tabs.select(0); + + return true; + } + + function getCheckBox() { + return document.getElementById("line-wrapping-toggle"); + } + + function getLabelForCheckBox() { + return document.getElementById("label-for-line-wrapping-toggle"); + } + + function findCodeBlocks() { + var spans = document.getElementById("tabs").getElementsByTagName("span"); + var codeBlocks = []; + for (var i = 0; i < spans.length; ++i) { + if (spans[i].className.indexOf("code") >= 0) { + codeBlocks.push(spans[i]); + } + } + return codeBlocks; + } + + function forAllCodeBlocks(operation) { + var codeBlocks = findCodeBlocks(); + + for (var i = 0; i < codeBlocks.length; ++i) { + operation(codeBlocks[i], "wrapped"); + } + } + + function toggleLineWrapping() { + var checkBox = getCheckBox(); + + if (checkBox.checked) { + forAllCodeBlocks(addClass); + } else { + forAllCodeBlocks(removeClass); + } + } + + function initControls() { + if (findCodeBlocks().length > 0) { + var checkBox = getCheckBox(); + var label = getLabelForCheckBox(); + + checkBox.onclick = toggleLineWrapping; + checkBox.checked = false; + + removeClass(label, "hidden"); + } + } + + function switchTab() { + var id = this.id.substr(1); + + for (var i = 0; i < tabs.tabs.length; i++) { + if (tabs.tabs[i].id === id) { + tabs.select(i); + break; + } + } + + return false; + } + + function select(i) { + this.deselectAll(); + + changeElementClass(this.tabs[i], "tab selected"); + changeElementClass(this.headers[i], "selected"); + + while (this.headers[i].firstChild) { + this.headers[i].removeChild(this.headers[i].firstChild); + } + + var h2 = document.createElement("H2"); + + h2.appendChild(document.createTextNode(this.titles[i])); + this.headers[i].appendChild(h2); + } + + function deselectAll() { + for (var i = 0; i < this.tabs.length; i++) { + changeElementClass(this.tabs[i], "tab deselected"); + changeElementClass(this.headers[i], "deselected"); + + while (this.headers[i].firstChild) { + this.headers[i].removeChild(this.headers[i].firstChild); + } + + var a = document.createElement("A"); + + a.setAttribute("id", "ltab" + i); + a.setAttribute("href", "#tab" + i); + a.onclick = switchTab; + a.appendChild(document.createTextNode(this.titles[i])); + + this.headers[i].appendChild(a); + } + } + + function findTabs(container) { + return findChildElements(container, "DIV", "tab"); + } + + function findHeaders(container) { + var owner = findChildElements(container, "UL", "tabLinks"); + return findChildElements(owner[0], "LI", null); + } + + function findTitles(tabs) { + var titles = []; + + for (var i = 0; i < tabs.length; i++) { + var tab = tabs[i]; + var header = findChildElements(tab, "H2", null)[0]; + + header.parentNode.removeChild(header); + + if (header.innerText) { + titles.push(header.innerText); + } else { + titles.push(header.textContent); + } + } + + return titles; + } + + function findChildElements(container, name, targetClass) { + var elements = []; + var children = container.childNodes; + + for (var i = 0; i < children.length; i++) { + var child = children.item(i); + + if (child.nodeType === 1 && child.nodeName === name) { + if (targetClass && child.className.indexOf(targetClass) < 0) { + continue; + } + + elements.push(child); + } + } + + return elements; + } + + // Entry point. + + window.onload = function() { + initTabs(); + initControls(); + }; +} (window, window.document)); \ No newline at end of file diff --git a/kotlin/raindrops/build/reports/tests/test/packages/default-package.html b/kotlin/raindrops/build/reports/tests/test/packages/default-package.html new file mode 100644 index 0000000..8af8a05 --- /dev/null +++ b/kotlin/raindrops/build/reports/tests/test/packages/default-package.html @@ -0,0 +1,103 @@ + + + + + +Test results - Default package + + + + + +
+

Default package

+
+all > default-package
+
+ + + + + +
+
+ + + + + + + +
+
+
16
+

tests

+
+		 +
+
0
+

failures

+
+		 +
+
0
+

ignored

+
+		 +
+
0.015s
+

duration

+
+
+
+		 +
+
100%
+

successful

+
+
+
+
+ +
+

Classes

+ + + + + + + + + + + + + + + + + + + +
ClassTestsFailuresIgnoredDurationSuccess rate
+RaindropsTest +16000.015s100%
+
+
+ +
+ + diff --git a/kotlin/raindrops/build/test-results/test/TEST-RaindropsTest.xml b/kotlin/raindrops/build/test-results/test/TEST-RaindropsTest.xml new file mode 100644 index 0000000..bc15548 --- /dev/null +++ b/kotlin/raindrops/build/test-results/test/TEST-RaindropsTest.xml @@ -0,0 +1,22 @@ + + + + + + + + + + + + + + + + + + + + + + diff --git a/kotlin/raindrops/build/test-results/test/binary/output.bin b/kotlin/raindrops/build/test-results/test/binary/output.bin new file mode 100644 index 0000000..e69de29 diff --git a/kotlin/raindrops/build/test-results/test/binary/output.bin.idx b/kotlin/raindrops/build/test-results/test/binary/output.bin.idx new file mode 100644 index 0000000000000000000000000000000000000000..f76dd238ade08917e6712764a16a22005a50573d GIT binary patch literal 1 IcmZPo000310RR91 literal 0 HcmV?d00001 diff --git a/kotlin/raindrops/build/test-results/test/binary/results.bin b/kotlin/raindrops/build/test-results/test/binary/results.bin new file mode 100644 index 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+++ b/kotlin/raindrops/src/main/kotlin/Raindrops.kt @@ -0,0 +1,14 @@ +object Raindrops { + fun convert(inp: Int): String = + when { + ((inp % 3 == 0) and (inp % 5 == 0) and (inp % 7 == 0)) -> "PlingPlangPlong" + ((inp % 3 == 0) and (inp % 5 == 0)) -> "PlingPlang" + ((inp % 3 == 0) and (inp % 7 == 0)) -> "PlingPlong" + ((inp % 5 == 0) and (inp % 7 == 0)) -> "PlangPlong" + ((inp % 3 == 0)) -> "Pling" + ((inp % 5 == 0)) -> "Plang" + ((inp % 7 == 0)) -> "Plong" + else -> inp.toString() + } + +} \ No newline at end of file diff --git a/kotlin/raindrops/src/test/kotlin/RaindropsTest.kt b/kotlin/raindrops/src/test/kotlin/RaindropsTest.kt new file mode 100644 index 0000000..3363811 --- /dev/null +++ b/kotlin/raindrops/src/test/kotlin/RaindropsTest.kt @@ -0,0 +1,47 @@ +import org.junit.Test +import org.junit.Ignore +import org.junit.runner.RunWith +import org.junit.runners.Parameterized +import kotlin.test.assertEquals + +@RunWith(Parameterized::class) +class RaindropsTest(val input: Int, val expectedOutput: String) { + + companion object { + @JvmStatic + @Parameterized.Parameters(name = "{index}: raindrops({0})={1}") + fun data() = listOf( + // Non-primes + arrayOf(1, "1"), + arrayOf(52, "52"), + arrayOf(12121, "12121"), + + // Numbers with 3 as a prime factor + arrayOf(3, "Pling"), + arrayOf(6, "Pling"), + arrayOf(9, "Pling"), + + // Numbers with 5 as a prime factor + arrayOf(5, "Plang"), + arrayOf(10, "Plang"), + arrayOf(25, "Plang"), + + // Numbers with 7 as a prime factor + arrayOf(7, "Plong"), + arrayOf(14, "Plong"), + arrayOf(49, "Plong"), + + // Numbers with multiple activating prime factors + arrayOf(15, "PlingPlang"), + arrayOf(21, "PlingPlong"), + arrayOf(35, "PlangPlong"), + arrayOf(105, "PlingPlangPlong") + ) + } + + + @Test + fun test() { + assertEquals(expectedOutput, Raindrops.convert(input)) + } +} diff --git a/kotlin/saddle-points/.gradle/3.5/file-changes/last-build.bin b/kotlin/saddle-points/.gradle/3.5/file-changes/last-build.bin new file mode 100644 index 0000000000000000000000000000000000000000..f76dd238ade08917e6712764a16a22005a50573d GIT binary patch literal 1 IcmZPo000310RR91 literal 0 HcmV?d00001 diff --git a/kotlin/saddle-points/.gradle/3.5/taskHistory/taskHistory.lock b/kotlin/saddle-points/.gradle/3.5/taskHistory/taskHistory.lock new file mode 100644 index 0000000000000000000000000000000000000000..6015c3b69dbf74de2cf42b112660cc80c5cb74f4 GIT binary patch literal 17 ScmZS1ZGYzH8 + + + + + + + + \ No newline at end of file diff --git a/kotlin/saddle-points/.idea/gradle.xml b/kotlin/saddle-points/.idea/gradle.xml new file mode 100644 index 0000000..20d2df6 --- /dev/null +++ b/kotlin/saddle-points/.idea/gradle.xml @@ -0,0 +1,19 @@ + + + + + + \ No newline at end of file diff --git a/kotlin/saddle-points/.idea/libraries/Gradle__junit_junit_4_12.xml b/kotlin/saddle-points/.idea/libraries/Gradle__junit_junit_4_12.xml new file mode 100644 index 0000000..c4f27b9 --- /dev/null +++ b/kotlin/saddle-points/.idea/libraries/Gradle__junit_junit_4_12.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/saddle-points/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml b/kotlin/saddle-points/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml new file mode 100644 index 0000000..e29af23 --- /dev/null +++ b/kotlin/saddle-points/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/saddle-points/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml b/kotlin/saddle-points/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml new file mode 100644 index 0000000..8dc5a86 --- /dev/null +++ b/kotlin/saddle-points/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/saddle-points/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml b/kotlin/saddle-points/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml new file mode 100644 index 0000000..caa2881 --- /dev/null +++ b/kotlin/saddle-points/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/saddle-points/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml b/kotlin/saddle-points/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml new file mode 100644 index 0000000..6325d98 --- /dev/null +++ b/kotlin/saddle-points/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/saddle-points/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml 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--- /dev/null +++ b/kotlin/saddle-points/.idea/modules/saddle-points_main.iml @@ -0,0 +1,39 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/saddle-points/.idea/modules/saddle-points_test.iml b/kotlin/saddle-points/.idea/modules/saddle-points_test.iml new file mode 100644 index 0000000..fcdfdc8 --- /dev/null +++ b/kotlin/saddle-points/.idea/modules/saddle-points_test.iml @@ -0,0 +1,45 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/saddle-points/.idea/workspace.xml b/kotlin/saddle-points/.idea/workspace.xml new file mode 100644 index 0000000..5699988 --- /dev/null +++ b/kotlin/saddle-points/.idea/workspace.xml @@ -0,0 +1,693 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + true + DEFINITION_ORDER + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 1500415477058 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 1.8 + + + + + + + + \ No newline at end of file diff --git a/kotlin/sieve/README.md b/kotlin/sieve/README.md new file mode 100644 index 0000000..60eb161 --- /dev/null +++ b/kotlin/sieve/README.md @@ -0,0 +1,36 @@ +# Sieve + +Use the Sieve of Eratosthenes to find all the primes from 2 up to a given +number. + +The Sieve of Eratosthenes is a simple, ancient algorithm for finding all +prime numbers up to any given limit. It does so by iteratively marking as +composite (i.e. not prime) the multiples of each prime, +starting with the multiples of 2. + +Create your range, starting at two and continuing up to and including the given limit. (i.e. [2, limit]) + +The algorithm consists of repeating the following over and over: + +- take the next available unmarked number in your list (it is prime) +- mark all the multiples of that number (they are not prime) + +Repeat until you have processed each number in your range. + +When the algorithm terminates, all the numbers in the list that have not +been marked are prime. + +The wikipedia article has a useful graphic that explains the algorithm: +https://en.wikipedia.org/wiki/Sieve_of_Eratosthenes + +Notice that this is a very specific algorithm, and the tests don't check +that you've implemented the algorithm, only that you've come up with the +correct list of primes. + +## Source + +Sieve of Eratosthenes at Wikipedia [http://en.wikipedia.org/wiki/Sieve_of_Eratosthenes](http://en.wikipedia.org/wiki/Sieve_of_Eratosthenes) + +## Submitting Incomplete Solutions +It's possible to submit an incomplete solution so you can see how others have completed the exercise. + diff --git a/kotlin/sieve/build.gradle b/kotlin/sieve/build.gradle new file mode 100644 index 0000000..0e6528d --- /dev/null +++ b/kotlin/sieve/build.gradle @@ -0,0 +1,28 @@ +buildscript { + ext.kotlin_version = '1.1.1' + repositories { + mavenCentral() + } + dependencies { + classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" + } +} + +apply plugin: 'kotlin' + +repositories { + mavenCentral() +} + +dependencies { + compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version" + + testCompile 'junit:junit:4.12' + testCompile "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version" +} +test { + testLogging { + exceptionFormat = 'full' + events = ["passed", "failed", "skipped"] + } +} diff --git a/kotlin/sieve/build/kotlin-build/caches/version.txt b/kotlin/sieve/build/kotlin-build/caches/version.txt new file mode 100644 index 0000000..01aabac --- /dev/null +++ b/kotlin/sieve/build/kotlin-build/caches/version.txt @@ -0,0 +1 @@ +11001 \ No newline at end of file diff --git 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fun primesUpTo(x: Int): List{ + val boolArray: MutableList = mutableListOf() + for (i in 0..x){ + boolArray.add(true) + } + + for (i in 2..Math.sqrt(x.toDouble()).toInt()){ + if (boolArray[i] == true){ + for (j in IntRange(i*i, x).step(i)){ + boolArray[j] = false + } + } + } + + val returnArray = mutableListOf() + for (i in 2..boolArray.size-1){ + if (boolArray[i] == true) returnArray.add(i) + } + return returnArray + } +} \ No newline at end of file diff --git a/kotlin/sieve/src/test/kotlin/SieveTest.kt b/kotlin/sieve/src/test/kotlin/SieveTest.kt new file mode 100644 index 0000000..5c23ce8 --- /dev/null +++ b/kotlin/sieve/src/test/kotlin/SieveTest.kt @@ -0,0 +1,36 @@ +import org.junit.Test +import org.junit.Ignore +import kotlin.test.assertEquals + +class SieveTest { + + + @Test + fun findFirstPrime() { + val expectedOutput = listOf(2) + + assertEquals(expectedOutput, Sieve.primesUpTo(2)) + } + + @Test + fun findPrimesUpTo10() { + val expectedOutput = listOf(2, 3, 5, 7) + + assertEquals(expectedOutput, Sieve.primesUpTo(10)) + } + + @Test + fun findPrimesUpTo1000() { + val expectedOutput = listOf(2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, + 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, + 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, + 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, + 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, + 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, + 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, + 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, + 991, 997) + + assertEquals(expectedOutput, Sieve.primesUpTo(1000)) + } +} diff --git a/kotlin/sum-of-multiples/.gradle/3.5/file-changes/last-build.bin b/kotlin/sum-of-multiples/.gradle/3.5/file-changes/last-build.bin new file mode 100644 index 0000000000000000000000000000000000000000..f76dd238ade08917e6712764a16a22005a50573d GIT binary patch literal 1 IcmZPo000310RR91 literal 0 HcmV?d00001 diff --git a/kotlin/sum-of-multiples/.gradle/3.5/taskHistory/taskHistory.lock b/kotlin/sum-of-multiples/.gradle/3.5/taskHistory/taskHistory.lock new file mode 100644 index 0000000000000000000000000000000000000000..d83c1220ef6bd769127e549a98eb67b6f56aa51b GIT binary patch literal 17 TcmZQpOkJ|WWn!5c0~7!NDeMDR literal 0 HcmV?d00001 diff --git a/kotlin/sum-of-multiples/.gradle/buildOutputCleanup/built.bin b/kotlin/sum-of-multiples/.gradle/buildOutputCleanup/built.bin new file mode 100644 index 0000000..e69de29 diff --git a/kotlin/sum-of-multiples/.gradle/buildOutputCleanup/cache.properties b/kotlin/sum-of-multiples/.gradle/buildOutputCleanup/cache.properties new file mode 100644 index 0000000..8a60dfa --- /dev/null +++ b/kotlin/sum-of-multiples/.gradle/buildOutputCleanup/cache.properties @@ -0,0 +1,2 @@ +#Mon Jul 17 15:37:15 EDT 2017 +gradle.version=3.5 diff --git a/kotlin/sum-of-multiples/.gradle/buildOutputCleanup/cache.properties.lock b/kotlin/sum-of-multiples/.gradle/buildOutputCleanup/cache.properties.lock new file mode 100644 index 0000000..40fdece --- /dev/null +++ b/kotlin/sum-of-multiples/.gradle/buildOutputCleanup/cache.properties.lock @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/compiler.xml b/kotlin/sum-of-multiples/.idea/compiler.xml new file mode 100644 index 0000000..854af36 --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/compiler.xml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/gradle.xml b/kotlin/sum-of-multiples/.idea/gradle.xml new file mode 100644 index 0000000..20d2df6 --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/gradle.xml @@ -0,0 +1,19 @@ + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/libraries/Gradle__junit_junit_4_12.xml b/kotlin/sum-of-multiples/.idea/libraries/Gradle__junit_junit_4_12.xml new file mode 100644 index 0000000..c4f27b9 --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/libraries/Gradle__junit_junit_4_12.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml b/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml new file mode 100644 index 0000000..e29af23 --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml b/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml new file mode 100644 index 0000000..8dc5a86 --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml b/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml new file mode 100644 index 0000000..caa2881 --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml b/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml new file mode 100644 index 0000000..6325d98 --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml b/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml new file mode 100644 index 0000000..1f91870 --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/misc.xml b/kotlin/sum-of-multiples/.idea/misc.xml new file mode 100644 index 0000000..8b84aec --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/misc.xml @@ -0,0 +1,22 @@ + + + + + + + + + + 1.8 + + + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/modules.xml b/kotlin/sum-of-multiples/.idea/modules.xml new file mode 100644 index 0000000..24fd922 --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/modules.xml @@ -0,0 +1,10 @@ + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/modules/sum-of-multiples_main.iml b/kotlin/sum-of-multiples/.idea/modules/sum-of-multiples_main.iml new file mode 100644 index 0000000..7efd839 --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/modules/sum-of-multiples_main.iml @@ -0,0 +1,39 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/modules/sum-of-multiples_test.iml b/kotlin/sum-of-multiples/.idea/modules/sum-of-multiples_test.iml new file mode 100644 index 0000000..d351029 --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/modules/sum-of-multiples_test.iml @@ -0,0 +1,45 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/.idea/workspace.xml b/kotlin/sum-of-multiples/.idea/workspace.xml new file mode 100644 index 0000000..5d9b2d3 --- /dev/null +++ b/kotlin/sum-of-multiples/.idea/workspace.xml @@ -0,0 +1,931 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @Ignore + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 1500320224570 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/sum-of-multiples/README.md b/kotlin/sum-of-multiples/README.md new file mode 100644 index 0000000..abfbffe --- /dev/null +++ b/kotlin/sum-of-multiples/README.md @@ -0,0 +1,20 @@ +# Sum Of Multiples + +Given a number, find the sum of all the multiples of particular numbers up to +but not including that number. + +If we list all the natural numbers up to but not including 20 that are +multiples of either 3 or 5, we get 3, 5, 6 and 9, 10, 12, 15, and 18. + +The sum of these multiples is 78. + +Given a number, find the sum of the multiples of a given set of numbers, +up to but not including that number. + +## Source + +A variation on Problem 1 at Project Euler [http://projecteuler.net/problem=1](http://projecteuler.net/problem=1) + +## Submitting Incomplete Solutions +It's possible to submit an incomplete solution so you can see how others have completed the exercise. + diff --git a/kotlin/sum-of-multiples/build.gradle b/kotlin/sum-of-multiples/build.gradle new file mode 100644 index 0000000..4727190 --- /dev/null +++ b/kotlin/sum-of-multiples/build.gradle @@ -0,0 +1,29 @@ +buildscript { + ext.kotlin_version = '1.1.1' + repositories { + mavenCentral() + } + dependencies { + classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" + } +} + +apply plugin: 'kotlin' + +repositories { + mavenCentral() +} + +dependencies { + compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version" + + testCompile 'junit:junit:4.12' + testCompile "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version" +} + +test { + testLogging { + exceptionFormat = 'full' + events = ["passed", "failed", "skipped"] + } +} diff --git a/kotlin/sum-of-multiples/build/classes/main/SumOfMultiples.class b/kotlin/sum-of-multiples/build/classes/main/SumOfMultiples.class new file mode 100644 index 0000000000000000000000000000000000000000..548efb97d73d0fc83475ad8ef04115b11747ab80 GIT binary patch literal 1930 zcmZuy-%}e^6#njJlie(#gkR-{(8f{=3D6L#s02}dN=gXW(A1VHZjvP|*=(5XhT)M1 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zB=Nk1nsTUL*i^MI-3paOs)>76ZK^UYdtp@&-UQY, maxNum: Int): Int { + val setOfMultiples = mutableSetOf() + for (i in 1..maxNum-1){ + for (j in inpList) { + if (i % j == 0){ + setOfMultiples.add(i) + } + } + } + return setOfMultiples.sum() + } +} \ No newline at end of file diff --git a/kotlin/sum-of-multiples/src/test/kotlin/SumOfMultiplesTest.kt b/kotlin/sum-of-multiples/src/test/kotlin/SumOfMultiplesTest.kt new file mode 100644 index 0000000..e308ca8 --- /dev/null +++ b/kotlin/sum-of-multiples/src/test/kotlin/SumOfMultiplesTest.kt @@ -0,0 +1,84 @@ +import org.junit.Ignore +import org.junit.Test +import kotlin.test.assertEquals + +class SumOfMultiplesTest { + + @Test + fun `multiples of 3 or 5 up to 1`() { + assertEquals(0, SumOfMultiples.sum(setOf(3, 5), 1)) + } + + @Test + + fun `multiples of 3 or 5 up to 4`() { + assertEquals(3, SumOfMultiples.sum(setOf(3, 5), 4)) + } + + @Test + + fun `multiples of 3 or 5 up to 10`() { + assertEquals(23, SumOfMultiples.sum(setOf(3, 5), 10)) + } + + @Test + + fun `multiples of 3 or 5 up to 20`() { + assertEquals(78, SumOfMultiples.sum(setOf(3, 5), 20)) + } + + @Test + + fun `multiples of 3 or 5 up to 100`() { + assertEquals(2318, SumOfMultiples.sum(setOf(3, 5), 100)) + } + + @Test + + fun `multiples of 3 or 5 up to 1000`() { + assertEquals(233_168, SumOfMultiples.sum(setOf(3, 5), 1000)) + } + + @Test + + fun `multiples of 7, 13 or 17 up to 20`() { + assertEquals(51, SumOfMultiples.sum(setOf(7, 13, 17), 20)) + } + + @Test + + fun `multiples of 4 or 6 up to 15`() { + assertEquals(30, SumOfMultiples.sum(setOf(4, 6), 15)) + } + + @Test + + fun `multiples of 5, 6 or 8 up to 150`() { + assertEquals(4419, SumOfMultiples.sum(setOf(5, 6, 8), 150)) + } + + @Test + + fun `multiples of 5 or 25 up to 51`() { + assertEquals(275, SumOfMultiples.sum(setOf(5, 25), 51)) + } + + @Test + + fun `multiples of 43 or 47 up to 10000`() { + assertEquals(2_203_160, SumOfMultiples.sum(setOf(43, 47), 10_000)) + } + + @Test + + fun `multiples of 1 up to 100`() { + assertEquals(4950, SumOfMultiples.sum(setOf(1), 100)) + } + + @Test + + fun `multiples of an empty set up to 10000`() { + assertEquals(0, SumOfMultiples.sum(emptySet(), 10_000)) + } + +} diff --git a/kotlin/sum-of-multiples/sum-of-multiples.iml b/kotlin/sum-of-multiples/sum-of-multiples.iml new file mode 100644 index 0000000..97f46c9 --- /dev/null +++ b/kotlin/sum-of-multiples/sum-of-multiples.iml @@ -0,0 +1,12 @@ + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.gradle/3.5/file-changes/last-build.bin b/kotlin/triangle/.gradle/3.5/file-changes/last-build.bin new file mode 100644 index 0000000000000000000000000000000000000000..f76dd238ade08917e6712764a16a22005a50573d GIT binary patch literal 1 IcmZPo000310RR91 literal 0 HcmV?d00001 diff --git a/kotlin/triangle/.gradle/3.5/taskHistory/taskHistory.lock b/kotlin/triangle/.gradle/3.5/taskHistory/taskHistory.lock new file mode 100644 index 0000000000000000000000000000000000000000..e0a6706500e382b6d7510c3dd97a9dd987001322 GIT binary patch literal 17 TcmZSPzbII@DgO^I0~7!NEHML} literal 0 HcmV?d00001 diff --git a/kotlin/triangle/.gradle/buildOutputCleanup/built.bin b/kotlin/triangle/.gradle/buildOutputCleanup/built.bin new file mode 100644 index 0000000..e69de29 diff --git a/kotlin/triangle/.gradle/buildOutputCleanup/cache.properties b/kotlin/triangle/.gradle/buildOutputCleanup/cache.properties new file mode 100644 index 0000000..cc5378f --- /dev/null +++ b/kotlin/triangle/.gradle/buildOutputCleanup/cache.properties @@ -0,0 +1,2 @@ +#Tue Jul 18 16:45:35 EDT 2017 +gradle.version=3.5 diff --git a/kotlin/triangle/.gradle/buildOutputCleanup/cache.properties.lock b/kotlin/triangle/.gradle/buildOutputCleanup/cache.properties.lock new file mode 100644 index 0000000..40fdece --- /dev/null +++ b/kotlin/triangle/.gradle/buildOutputCleanup/cache.properties.lock @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/kotlin/triangle/.idea/compiler.xml b/kotlin/triangle/.idea/compiler.xml new file mode 100644 index 0000000..d77dcc1 --- /dev/null +++ b/kotlin/triangle/.idea/compiler.xml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.idea/gradle.xml b/kotlin/triangle/.idea/gradle.xml new file mode 100644 index 0000000..20d2df6 --- /dev/null +++ b/kotlin/triangle/.idea/gradle.xml @@ -0,0 +1,19 @@ + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.idea/libraries/Gradle__junit_junit_4_12.xml b/kotlin/triangle/.idea/libraries/Gradle__junit_junit_4_12.xml new file mode 100644 index 0000000..c4f27b9 --- /dev/null +++ b/kotlin/triangle/.idea/libraries/Gradle__junit_junit_4_12.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml b/kotlin/triangle/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml new file mode 100644 index 0000000..e29af23 --- /dev/null +++ b/kotlin/triangle/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml b/kotlin/triangle/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml new file mode 100644 index 0000000..8dc5a86 --- /dev/null +++ b/kotlin/triangle/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml b/kotlin/triangle/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml new file mode 100644 index 0000000..caa2881 --- /dev/null +++ b/kotlin/triangle/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml b/kotlin/triangle/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml new file mode 100644 index 0000000..6325d98 --- /dev/null +++ b/kotlin/triangle/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml b/kotlin/triangle/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml new file mode 100644 index 0000000..1f91870 --- /dev/null +++ b/kotlin/triangle/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.idea/misc.xml b/kotlin/triangle/.idea/misc.xml new file mode 100644 index 0000000..84da703 --- /dev/null +++ b/kotlin/triangle/.idea/misc.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.idea/modules.xml b/kotlin/triangle/.idea/modules.xml new file mode 100644 index 0000000..d58d2cd --- /dev/null +++ b/kotlin/triangle/.idea/modules.xml @@ -0,0 +1,10 @@ + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.idea/modules/triangle_main.iml b/kotlin/triangle/.idea/modules/triangle_main.iml new file mode 100644 index 0000000..c4442b8 --- /dev/null +++ b/kotlin/triangle/.idea/modules/triangle_main.iml @@ -0,0 +1,39 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.idea/modules/triangle_test.iml b/kotlin/triangle/.idea/modules/triangle_test.iml new file mode 100644 index 0000000..44f61c5 --- /dev/null +++ b/kotlin/triangle/.idea/modules/triangle_test.iml @@ -0,0 +1,45 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/kotlin/triangle/.idea/workspace.xml 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