Submission #19377

#	Time	Username	Problem	Language	Result	Execution time	Memory
19377		camille	Α (kriii4_P1)	C++98	0 / 100	0 ms	1716 KiB

P1

#include <iostream>
using namespace std;
typedef long long  lld;
lld a,x,mod=1e9+7;

lld foo(lld idx){
    if(idx==1) return a;
    lld k = foo(idx/2)%mod;
    if(idx%2) return (((k*k)%mod)*a)%mod;
    return (k*k)%mod;
}

int main(){
    cin>>a>>x;
    a%=mod;
    x%=mod;
    cout<<foo(x)<<endl;
}

• Subtask 1: 0 / 100