Cod sursa(job #1408277)

Utilizator VladuZ1338Vlad Vlad VladuZ1338 Data 29 martie 2015 22:38:05
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include <cstdio>

using namespace std;

int x, y, mod=1999999973;

int putere (int x, int y)
{
    if(y==1) return x;
    else if (y%2==0) return putere(x*x, y/2)%mod;
    else return x*(putere(x*x, y/2))%mod;
}

int main()
{
    freopen ("lgput.in", "r", stdin);
    freopen ("lgput.out", "w", stdout);
    scanf ("%d%d", &x, &y);
    printf ("%d", putere(x,y)%mod);
}