Cod sursa(job #1780504)

Utilizator george_stelianChichirim George george_stelian Data 16 octombrie 2016 12:19:12
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
#include <cstdio>

using namespace std;

const int mod=1999999973;

int rid_put(long long a,long long n)
{
    int p=1;
    for(long long i=1;i<=n;i<<=1)
    {
        if(n&i) p=(1LL*p*a)%mod;
        a=(1LL*a*a)%mod;
    }
    return p;
}

int main()
{
    freopen("lgput.in", "r", stdin);
    freopen("lgput.out", "w", stdout);
    long long n,p;
    scanf("%lld%lld",&n,&p);
    printf("%d",rid_put(n,p));
    return 0;
}