Cod sursa(job #2143517)

Utilizator stefantagaTaga Stefan stefantaga Data 26 februarie 2018 08:20:46
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.4 kb
#include <fstream>

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

    f>>a>>b;
    g<<rise(a,b);
    return 0;
}