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find all divisors

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This commit is contained in:
Rachel Lambda Samuelsson 2024-10-13 22:44:50 +02:00
parent 44ec170681
commit efbb2a1220
1 changed files with 2 additions and 2 deletions
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4
src/main.rs
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@ -5,17 +5,17 @@ fn sqrtu64(x: u64) -> u64 {
} }
fn main() { fn main() {
println!("Enter a number");
let mut input_line = String::new(); let mut input_line = String::new();
io::stdin() io::stdin()
.read_line(&mut input_line) .read_line(&mut input_line)
.expect("Failed to read line"); .expect("Failed to read line");
let x: u64 = input_line.trim().parse().expect("Input not an integer"); let x: u64 = input_line.trim().parse().expect("Input not an integer");
let sqrtx = sqrtu64(x);
let mut primes = vec![2,3,5,7]; let mut primes = vec![2,3,5,7];
let mut i: u64 = 12; let mut i: u64 = 12;
while i <= sqrtx { while i < x {
let n = i-1; let n = i-1;
let m = i+1; let m = i+1;
let sqrtm = sqrtu64(m); let sqrtm = sqrtu64(m);