diff options
Diffstat (limited to '08/src/stuff.rs')
-rw-r--r-- | 08/src/stuff.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/08/src/stuff.rs b/08/src/stuff.rs index 7e88605..e526858 100644 --- a/08/src/stuff.rs +++ b/08/src/stuff.rs @@ -45,6 +45,8 @@ pub fn gcd(mut m: u64, mut n: u64) -> u64 { if m < n { std::mem::swap(&mut m, &mut n); } + + if m == 0 { panic!("gcd(0,0) is undefined"); } while n > 0 { let r: u64 = m % n; |