Cod sursa(job #1888739)

Utilizator andreicontorandrei contor andreicontor Data 22 februarie 2017 12:18:10
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include<cstdio>
using namespace std;
int p,n,i,a;
long long mod;
int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);
    scanf("%d%d",&n,&p);
    mod=1999999973;
    p=n;
    a=1;
    for(i=0;(1<<i)<=p;i++)
    {
        if(((1<<i)&p)==1)
           a=(a*p)%mod;
        p=(p*p)%mod;
    }
    printf("%d",a);
    return 0;
}