Cod sursa(job #1111701)

Utilizator alex_bucevschiBucevschi Alexandru alex_bucevschi Data 19 februarie 2014 07:52:36
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.37 kb
Raporteaza aceasta sursa 
#include <cstdio>
#define MOD 1999999973
using namespace std;
long long int a,b,sol,i;
int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);

    scanf("%lld%lld",&a,&b);
    sol=1;
    for(i=1;i<=b;i<<=1)
    {
        if(i&b)
            sol=(sol*a)%MOD;
        a=(a*a)%MOD;
    }
    printf("%lld",sol);
    return 0;
}