Cod sursa(job #1941279)
Utilizator | 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;
}