제출 #791410

#제출 시각아이디문제언어결과실행 시간메모리
791410ttamxStar Trek (CEOI20_startrek)C++14
7 / 100
1 ms212 KiB
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

const int N=1e5+5;
const ll mod=1e9+7;

ll binpow(ll a,ll b){
    ll res=1;
    while(b>0){
        if(b&1)res*=a,res%=mod;
        a*=a,a%=mod;
        b>>=1;
    }
    return res;
}

int n;
ll d;

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n >> d;
    cout << binpow(4,d);
}
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