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Morass

PW

Sep 22nd, 2016
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C++ 0.16 KB | None | 0 0
  1. #define MOD (1000000007)
  2. ll pw(ll n,ll k){
  3.     ll r(1);
  4.     while(k){
  5.         if(k&1)r*=n,r%=MOD;
  6.         n*=n,n%=MOD;
  7.         k>>=1;
  8.     }
  9.     return r;
  10. }
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