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  1. #include <iostream>
  2. using namespace std;
  3. long binpow (long a, long n, long m) {
  4.     long res = 1;
  5.     while (n) {
  6.         if (n & 1) {
  7.             res *= a;
  8.             res %= m;
  9.         }
  10.         a *= (a % m);
  11.         a %= m;
  12.         n >>= 1;
  13.     }
  14.     return res % m;
  15. }
  16.  
  17. int main() {
  18.     long a, b, m;
  19.     cin >> a >> b >> m;
  20.     cout << binpow(a, b, m);
  21.     return 0;
  22. }
Success #stdin #stdout 0s 15232KB
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stdin 
9 2 1
stdout 
Standard output is empty
https://ideone.com/qvuVbC
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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