Cod sursa(job #857114)

Utilizator heracleRadu Muntean heracle Data 17 ianuarie 2013 12:16:17
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.3 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
    long long p;
    int a,n;
    p=1;
    in>>n>>a;
    while(n)
    {
        if(n%2==1)
        p=p*a%1999999973;
        a=a*a;
        n=n/2;
    }
    out<<p;
    return 0;
}