Cod sursa(job #2860473)

Utilizator alexmorosanuMorosanu Alexandru alexmorosanu Data 2 martie 2022 17:47:45
Problema Invers modular Scor 60
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream f("inversmodular.in");
ofstream g("inversmodular.out");
long long a,n,p=1,M;
int main()
{
    f>>a>>n;
    M=n;
    n=n-2;
    while(n)
    {
        if(n%2==1)
            p=p*a%M;
        a=a*a%M;
        n=n/2;
    }
    g<<p;
    return 0;
}