Cod sursa(job #1508087)
Utilizator | Data | 22 octombrie 2015 11:53:13 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <bits/stdc++.h>
using namespace std;
typedef long long int var;
ifstream in("lgput.in");
ofstream out("lgput.out");
var pow(var x, var p)
{
var out = 1;
while(p)
{
if (p % 2 == 1)
{
out = out * x;
p--;
}
x = x * x;
p = p / 2;
}
return out;
}
int main()
{
var n, p;
in >> n >> p;
out << pow(n, p);
return 0;
}