14-Pow(x, n)

#include <bits/stdc++.h>

int modularExponentiation(int x, int n, int m) {
	long ans=1;
	long xx=x;
	while(n>0)
	{
		if(n%2!=0)
		{
			ans=((ans)%m*(xx)%m)%m;
		}
		xx=((xx)%m*(xx)%m)%m;
		n=n>>1;
	}
	return (int)(ans%m);

}