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Dec 11th, 2019
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C++ 0.21 KB | None | 0 0
  1. long long get_pow(long long a, long long b) {
  2.     long long ans = 1;
  3.     while (b > 1) {
  4.         if (b % 2 == 0) {
  5.             a *= a;
  6.             b /= 2;
  7.         }
  8.         else {
  9.             ans *= a;
  10.             b -= 1;
  11.         }
  12.        
  13.     }
  14.     return ans * a % MOD;
  15. }
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