제출 #19336

#제출 시각아이디문제언어결과실행 시간메모리
19336pangΑ (kriii4_P1)C++98
0 / 100
0 ms1720 KiB
#include<iostream>
#include<math.h>
#include<algorithm>
#include<string>
using namespace std;
#define MOD 1000000007
int main()
{
	long long x, a;
	cin >> a;
	cin >> x;
	string s;
	while (x > 0)
	{
		s += '0' + (x & 1);
		x >>= 1;
	}
	reverse(s.begin(), s.end());
	int l = s.length();
	long long int ans = 1;
	//cout << s << endl;
	for (int i = 0; i < l; i++)
	{
		ans *= ans;
		ans = ans%MOD;
		if (s[i] == '1')
		{
			ans *= a;
			ans = ans%MOD;
		}
	}
	cout << ans << endl;
	return 0;
}
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