Cod sursa(job #1400020)
Utilizator | Data | 25 martie 2015 02:06:02 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <fstream>
using namespace std;
fstream f("lgput.in", ios::in);
fstream g("lgput.out", ios::out);
const int m = 1999999973;
int n, p, a, i, sol;
int main()
{
f >> n >> p;
a = n;
sol = 1;
for (i = 0; (1 << i) <= p; i++)
{
if ((1 << i) & p) sol = (sol * a) % m;
a = (a * a) % m;
}
g << sol;
return 0;
}