дз 20.10

#include <bits/stdc++.h>

using namespace std;

int main() {
    srand(time(0));
    int n = 20;
    vector<int> a1(n), a2(n), a3(n); // №1
    vector<int> b1, b2; // №2
    for (int i = 0; i < n; i++) {
//        cin >> a1[i];
        a1[i] = rand() % (99 - 10 + 1) + 10; // [10; 99]
        cout << a1[i] << " ";
    }
    cout << "\n";
    for (int i = 0; i < n; i++) {
        int x = a1[i], k = 0, s = 0;
        for (int d = 2; d * d <= x; d++) {
            if (x % d == 0) {
                k++;
                s += d;
                if (x / d != d) {
                    k++;
                    s += x / d;
                }
            }
        }
        if (s % 2 == 1) {
            b1.push_back(a1[i]);
        } else {
            b2.push_back(a1[i]);
        }
        a2[i] = s;
        a3[i] = k;
    }

    for (int i = 0; i < n; i++) {
        cout << a2[i] << " ";
    }
    cout << "\n";
    for (int i = 0; i < n; i++) {
        cout << a3[i] << " ";
    }
    cout << "\n\n\n";

    for (int i = 0; i < b1.size(); i++) {
        cout << b1[i] << " ";
    }
    cout << "\n";
    for (int i = 0; i < b2.size(); i++) {
        cout << b2[i] << " ";
    }

    return 0;
}