Cod sursa(job #1635390)
Utilizator | Data | 6 martie 2016 17:21:52 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <iostream>
#include <fstream>
#include <math.h>
using namespace std;
int main()
{
ifstream in("lgput.in");
ofstream out("lgput.out");
long long n,p,sol=1;
int m=1999999973;
in>>n>>p;
for(int i=0;(1<<i)<=p;i++){
if(((1<<i)&p)>0){
sol=(sol*n)%m;
}
n=(n*n)%m;
}
out<<sol;
return 0;
}