#include <iostream>

using namespace std;

int main() {
    size_t capacity{0};
    size_t userSize;

    srand(time(nullptr));

    int * ary {nullptr};

    cout << "What size array do you want? > ";
    cin >> userSize;

    ary = new int[userSize];
    capacity = userSize;

    for(size_t i = 0; i < capacity; ++i) {
        ary[i] = rand() % 1000;
    }

    cout << endl << endl;
    cout << "The data " << endl;
    for(size_t i =0; i < capacity; ++i) {
       cout << i << "\t" << ary[i] << endl;
       ary[i] += 10;
    }


    cout << endl << endl;
    cout << "The data " << endl;
    for(size_t i =0; i < capacity; ++i) {
       cout << i << "\t" << ary[i] << endl;
    }

    delete ary;

    return 0;
}