Cod sursa(job #1941279)

Utilizator viftode4Iftode Vlad viftode4 Data 27 martie 2017 09:37:55
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
#include <bits/stdc++.h>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long putere(long long a, long long b) {
    long long r=1, k=a;
    while(b) {
        if(b%2==1)
            r=(r*k);
        k=k*k;
        b=b/2;
    }
    return r;
}
int main()
{
    int n, m;
    fin>>n>>m;
    fout<<putere(n,m);
    return 0;
}