jackz revised this gist . Go to revision
No changes
Jackz revised this gist . Go to revision
1 file changed, 28 insertions
3nplus1.rs(file created)
| @@ -0,0 +1,28 @@ | |||
| 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 | + | } | |
Newer
Older