Cod sursa(job #1999455)

Utilizator alpiPitrop Alexandru-Petre alpi Data 11 iulie 2017 09:32:01
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.29 kb
Raporteaza aceasta sursa 
#include <bits/stdc++.h>

using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
const int m= 1999999973;
int a, b, r=1;
int main()
{
    f>>a>>b;
    for(;b;b>>=1)
    {
        if(b&1)
            r=1LL*r*a%m;
        a=1LL*a*a%m;
    }
    g<<r;
    return 0;
}