26 lines
No EOL
463 B
Rust
26 lines
No EOL
463 B
Rust
pub fn nth(arg: u64) -> Result<u64, u64> {
|
|
if arg <= 0 {
|
|
return Err(0);
|
|
}
|
|
|
|
let mut count = 0;
|
|
let mut prime = 1;
|
|
|
|
while count < arg {
|
|
prime += 1;
|
|
if is_prime(prime) {
|
|
count += 1
|
|
}
|
|
}
|
|
|
|
return Ok(prime);
|
|
}
|
|
|
|
pub fn is_prime(inp_int: u64) -> bool {
|
|
for i in 2..(((inp_int as f64).sqrt() as u64) + 1) {
|
|
if inp_int % i == 0 {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
} |