3nplus1.rs
· 569 B · Rust
Raw
fn main() {
let mut i: u64 = 0;
let mut v: u64;
let mut highest = u64::MIN;
loop {
i += 1;
v = i;
loop {
// Is even
if v % 2 == 0 {
v /= 2;
} else {
v = 3 * v + 1;
}
if v > highest {
highest = v;
}
if v == 1 {
if i % 1_000_000 == 0 {
println!("{:10}: All Pass | HI {:10}", i, highest);
}
break;
}
}
}
}
| 1 | fn main() { |
| 2 | let mut i: u64 = 0; |
| 3 | let mut v: u64; |
| 4 | let mut highest = u64::MIN; |
| 5 | loop { |
| 6 | i += 1; |
| 7 | v = i; |
| 8 | loop { |
| 9 | // Is even |
| 10 | if v % 2 == 0 { |
| 11 | v /= 2; |
| 12 | } else { |
| 13 | v = 3 * v + 1; |
| 14 | } |
| 15 | |
| 16 | if v > highest { |
| 17 | highest = v; |
| 18 | } |
| 19 | |
| 20 | if v == 1 { |
| 21 | if i % 1_000_000 == 0 { |
| 22 | println!("{:10}: All Pass | HI {:10}", i, highest); |
| 23 | } |
| 24 | break; |
| 25 | } |
| 26 | } |
| 27 | } |
| 28 | } |