diff options
Diffstat (limited to 'math/modExp.cpp')
| -rw-r--r-- | math/modExp.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/math/modExp.cpp b/math/modExp.cpp index d74eca0..2329a94 100644 --- a/math/modExp.cpp +++ b/math/modExp.cpp @@ -1,7 +1,6 @@ -// Laufzeit: O(log(b)) ll powMod(ll a, ll b, ll n) { - if(b == 0) return 1; - if(b == 1) return a % n; - if(b & 1) return (powMod(a, b - 1, n) * a) % n; - else return powMod((a * a) % n, b / 2, n); + if(b == 0) return 1; + if(b == 1) return a % n; + if(b & 1) return (powMod(a, b - 1, n) * a) % n; + else return powMod((a * a) % n, b / 2, n); } |
