제출 #791455

#제출 시각아이디문제언어결과실행 시간메모리
791455petezaStar Trek (CEOI20_startrek)C++14
7 / 100
1 ms308 KiB


    #include <bits/stdc++.h>
    using namespace std;
    long long mod = 1e9+7;
     
    int n;
    long long d;
    long long custompow(long long x, long long y) {
      long long res = 1;
      for(;y;y>>=1,x=x*x%mod) if(y&1) res = res*x%mod;
      return res;
    }
     
    int main() {
      cin >> n >> d;
      cout << custompow(2, 2*d);
    }
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