注意x和n的数据类型

#include<iostream>
using namespace std;
const int M = 233333;
int main()
{
	long long x, n;
	long long ans = 1;
	cin >> x >> n;
	x %= M;
	while (n > 0) {
		if (n%2 == 1)
			ans = (ans*x) % M;
		n /= 2;
		x = (x*x) % M;
	}
	cout << ans << endl;
	return 0;
}