Cod sursa(job #1329560)
Utilizator | Data | 29 ianuarie 2015 17:18:37 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <iostream>
#include <fstream>
using namespace std;
int lgput(int x, int n)
{
int p=1;
while(n>0){
if(n%2!=0)
{
p=p*x;
n--;
}
x=x*x;
n=n/2;
}
return p;
}
int main()
{
ifstream in("lgput.in");
ofstream out("lgput.out");
int x,n;
in >> x >> n;
out << lgput(x,n);
return 0;
}