Cod sursa(job #2143514)

Utilizator stefantagaTaga Stefan stefantaga Data 26 februarie 2018 08:11:51
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.41 kb
#include <fstream>

using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int rise(int a,int b)
{
    if (b==0)
    {
        return 1;
    }
    int x=rise (a,b/2);
    if (b%2==0)
    {
        return (x*x)%1999999973;
    }
    else
    {
        return (((x*x)%1999999973)*a)%1999999973;
    }
}
int main()
{
    int a,b;
    f>>a>>b;
    g<<rise(a,b);
    return 0;
}