Cod sursa(job #2787197)

Utilizator CarenaMironov Cezar Luca Carena Data 22 octombrie 2021 18:03:15
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.44 kb
#include <fstream>

using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");

long long int lgput(int n, int m, int p)
{
    if(m==1)
        return n;
    long long int x;
    x=lgput(n, m/2, p);
    if(m%2==0)
    {
        return (x*x)%p;
    }
    else
    {
        return (((x*x)%p)*n)%p;
    }
}

int main()
{
    int a, b;
    fin>>a>>b;
    fout<<lgput(a, b, 1999999973);
    return 0;
}