Cod sursa(job #2961435)

Utilizator MerlinTheWizardMelvin Abibula MerlinTheWizard Data 6 ianuarie 2023 15:03:49
Problema Invers modular Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.43 kb
#include<iostream>
#include<fstream>
#include<math.h>
using namespace std;

ifstream f("inversmodular.in");
ofstream g("inversmodular.out");


long long putere(long long a, long long n, long long mod)
{
    if(n == 1)
        return 1;
    if(n % 2 == 1)
        return a * putere(a,n-1,mod);
    long long p = putere(a,n/2,mod);
    return p*p;
}

int main()
{
    long long a,n;
    f>>a>>n;
    g<<putere(a,n-2,n);
}