Cod sursa(job #1906749)
| Utilizator | Data | 6 martie 2017 16:09:39 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.49 kb |
#include <iostream>
#include <fstream>
using namespace std;
int P(int n, int p)
{
if(p == 0)
return 1;
else if(p == 1)
return n;
else if(p % 2 == 0)
{
return P(n * n, p / 2) % 1999999973;
}
else if(p % 2 == 1)
{
return n * P(n * n, (p - 1) / 2) % 1999999973;
}
}
int main()
{
ifstream i("lgput.in");
ofstream o("lgput.out");
int n, p;
i >> n >> p;
o << P(n, p);
return 0;
}
