Cod sursa(job #1162186)

Utilizator chiriacandrei25Chiriac Andrei chiriacandrei25 Data 31 martie 2014 18:09:44
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.48 kb
#include <cstdio>
#define MOD 1999999973

using namespace std;

inline int Pow_Log(int x, int p)
{
    int put=1;
    while(p)
    {
        if(p&1)
        {
            put=(1LL*put*x)%MOD;
            --p;
        }
        p>>=1;
        x=(1LL*x*x)%MOD;
    }
    return put;
}

int main()
{
    int N,P;
    freopen ("lgput.in","r",stdin);
    freopen ("lgput.out","w",stdout);
    scanf("%d%d", &N,&P);
    printf("%d\n", Pow_Log(N,P));
    return 0;
}