checks every second number

This commit is contained in:
CORR1T 2021-06-07 15:38:06 +02:00
parent dfce13e6bc
commit 12ec3b5d1b
2 changed files with 9 additions and 6 deletions

View file

@ -24,9 +24,10 @@ fn primes(max: u32) -> Vec<u32> {
primes_list.push(2);
for i in 3..max { //go through all numbers
for mut i in 3..max {
let sqr_root: u32 = (i as f64).sqrt() as u32;
for prime in &primes_list { //test each number
if *prime > (i as f64).sqrt() as u32 {
if *prime > sqr_root {
primes_list.push(i);
break;
}
@ -34,7 +35,8 @@ fn primes(max: u32) -> Vec<u32> {
break;
}
}
i += 1;
}
return primes_list;
primes_list
}