Untitled

#include <iostream>
#include <fstream>
using namespace std;

ifstream fin (text.in);
ofstream fout (text.out);

void introducere_valori_arr(int nr, int arr[])
{
    for (int i = 2; i <= nr; i++) arr[i] = i;
}

void cerinta1(int n)
{
    for (int i = 0; i < n; i++){
        int nr, poz_div;
        cin >> nr >> poz_div;
        int arr[nr+1];
        
        introducere_valori_arr(nr, arr);
        
        for (int a = 2; a <= nr; a++){
            for(int b = 2; a*b <= nr; b++){
                arr[a*b] = 0;
            }
        }
        
        int cnt_div = 0;
        
        for (int j = 2; j <= nr; j++){
            if (arr[j] != 0){
                if (nr % arr[j] == 0) cnt_div++;
                
                if (cnt_div == poz_div){
                    fout << arr[j] << " ";
                    break;
                }
            }
        }
    }
}

int main()
{
    int n, p;
    fin >> p >> n;
    if (p == 1) cerinta1(n);
    return 0;
}