Update numtheory.cpp

Changes

1 changed files (+1/-1)

• Math/numtheory.cpp
  • @@ -15,7 +15,7 @@ int inv(int x) { return pw(x, MOD - 2); }
    int nCr(int n, int k) { return (ll)fact[n] * ifact[k] % MOD * ifact[n - k] % MOD; } - for (int i = 0; i < n; ++i) { + for (int i = 0; i < N; ++i) { fact[i + 1] = (i + 1ll) * fact[i] % MOD; ifact[i + 1] = inv(fact[i + 1]); }