Cod sursa(job #1383700)

Utilizator petrenoxxPietreanu Andrei petrenoxx Data 10 martie 2015 16:01:11
Problema Ridicare la putere in timp logaritmic Scor 30
Compilator cpp Status done
Runda Arhiva educationala Marime 0.46 kb
#include <fstream>
using namespace std;
ifstream in ("lgput.in");
ofstream out ("lgput.out");
long long t;
int const M = 1999999973;
int putere(int a, int b)
{
    if(b==1)
    {
        return a;
    }
    else
    {
        t=putere(a, b/2);
        if(b%2==0)
        {
            return t*t%M;
        }
        else
        {
            return t*t*a%M;
        }
    }
}
int main()
{
    int a, b;
    in >> a >> b;
    t=putere(a, b);
    out << t%M;
    return 0;
}