Submission #19344

#	Time	Username	Problem	Language	Result	Execution time	Memory
19344		ilbbke	Α (kriii4_P1)	C++98	100 / 100	0 ms	1720 KiB

P1

#include<bits/stdc++.h>
#define ll long long
#define M 1000000007
using namespace std;

ll a,b,ans=1;

void f(ll c,ll x){
    if(x>b) return;
    f((c*c)%M,x*2);
    if(x<=b){
        ans=(ans*c)%M;
        b-=x;
    }
}

int main()
{
    scanf("%lld%lld",&a,&b);
    f(a%M,1);
    printf("%lld\n",ans);
    return 0;
}

• Subtask 1: 100 / 100