Cod sursa(job #1387504)

Utilizator roxi22Roxi C. roxi22 Data 14 martie 2015 12:27:15
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.32 kb
Raporteaza aceasta sursa 
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream fin ("lgput.in");
ofstream fout("lgput.out");
long long a,p,sol=1;
int main ()
{
    fin>>a>>p;
    while (p){
        if ((p&1)>0)
            sol=(sol*a)%MOD;
        a=(a*a)%MOD;
        p/=2;
    }
    fout<<sol;
    return 0;
}