#include <iostream>
#include <stdlib.h>
#include <time.h>

using namespace std;

int main()
{
    int timeNow = time(NULL);
    srand(timeNow);
    int arr[100];
    for(int i = 0; i <=99; i++)
    {
        arr[i] = rand() % 21;
        cout << arr[i] << "  ";
    }
    cout << endl;
    int num;
    cout << "Number to search: ";
    cin >> num;
    cout << "Number found on positions: ";
    for(int i = 0; i <=99; i++)
    {
        if(num == arr[i])
        {
            cout << i << "  ";
        }
    }
    return 0;
}