Cod sursa(job #2703078)

Utilizator Teodora1314Teodora Oancea-Negoita Teodora1314 Data 7 februarie 2021 08:26:43
Problema Invers modular Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
//#include <iostream>
#include <fstream>
using namespace std;

ifstream cin ("inversmodular.in");
ofstream cout ("inversmodular.out");

int inv[500000010];
int main()
{
    int a,n;
    cin>>a>>n;
    inv[1] = 1;
    for(int i = 2; i < n; ++i)
        inv[i] = n - (n/i) * inv[n%i] % n;
    cout<<inv[a];
    return 0;
}