Cod sursa(job #1555553)
Utilizator | Data | 23 decembrie 2015 03:07:40 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <iostream>
#include <fstream>
using namespace std;
long long pow(int a, int b)
{
long long res = 1;
long long base;
base = a;
while(b)
{
if(b&1)
res *= base;
b >>= 1;
base = base*a;
}
return res;
}
int main()
{
ifstream in("lgput.in");
ofstream out("lgput.out");
int n,p;
in>>n>>p;
out<<pow(n,p);
return 0;
}