Submission #19329

#	Time	Username	Problem	Language	Result	Execution time	Memory
19329		isac322	Α (kriii4_P1)	C++14	100 / 100	0 ms	1084 KiB

P1

#include <cstdio>
#include <algorithm>

using namespace std;

const long long MOD = 1000000007;
long long a, x;

long long solve(long long n) {
	if (n == 1) return a;
	long long ret = solve(n >> 1);
	return (((ret*ret) % MOD) * (n & 1LL ? a : 1LL)) % MOD;
}

int main() {
	scanf("%lld%lld", &a, &x);
	a %= MOD;
	printf("%lld", solve(x));
}

• Subtask 1: 100 / 100