제출 #791452

#제출 시각아이디문제언어결과실행 시간메모리
791452petezaStar Trek (CEOI20_startrek)C++14
0 / 100
1 ms212 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, d);
}
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