Cod sursa(job #1275889)
Utilizator | Data | 25 noiembrie 2014 18:55:10 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <iostream>
#include <fstream>
#define MOD 1999999973
using namespace std;
long long putere(long long n, long long p)
{
long long a, r = 1;
a = n;
while(p != 0)
{
if(p % 2 == 1)
r = r * a;
a = a * a;
p = p / 2;
}
return r;
}
int main()
{
ifstream f("lgput.in");
ofstream g("lgput.out");
long long n, p;
f>>n>>p;
g<<putere(n, p);
return 0;
}