Cod sursa(job #1509114)
Utilizator | Data | 23 octombrie 2015 15:23:33 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
int n,k,r=1,a;
in>>n>>k;
while(k!=1)
{if(k%2==0)
{
n=n*n;
k=k/2;
}
else
{k=k-1;
r=r*n;
n=n*r;}
}
out<<n;
return 0;
}