diff options
Diffstat (limited to '2015/rust/day25/src/main.rs')
-rw-r--r-- | 2015/rust/day25/src/main.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/2015/rust/day25/src/main.rs b/2015/rust/day25/src/main.rs new file mode 100644 index 0000000..655c132 --- /dev/null +++ b/2015/rust/day25/src/main.rs @@ -0,0 +1,21 @@ +fn main() { + let start:u128 = 20151125; + let factor:u128 = 252533; + let div:u128 = 33554393; + + let mut val:u128 = start; + + let mut x = 1; + let mut y = 2; + loop { + val = val * factor % div; + if y == 2947 && x == 3029 { break; } + x += 1; + y -= 1; + if y == 0 { + y = x; + x = 1; + } + } + println!("Row: {} Column: {} Code: {}", y, x, val); +} |