Cod sursa(job #1498137)
Utilizator | Data | 7 octombrie 2015 23:28:15 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.39 kb |
#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int n,p;
int ridicare(int x,int n){
int p=1;
while(n>0){
if(n%2==1){
p=p*x;
n--;
}
x=x*x;
n/=2;
}
return p;
}
int main()
{
f>>n>>p;
g<<ridicare(n,p);
return 0;
}