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

int main()
{
    srand( time( 0 ) );    // randomize

    int n = rand() % 4;    // 0-3
    n++;                   // 1-4

    // the if-else chain using the == operator
    //   and one variable (i.e. n)
    if ( n == 1 ) {
        cout << "You'll have a nice day.\n";
    } else if ( n == 2 ) {
        cout << "Stay inside today.\n";
    } else if ( n == 3 ) {
        cout << "Call your parents.\n";
    } else if ( n == 4 ) {
        cout << "You'll lose all your money today.\n";
    } else {
        cout << "Something's wrong.\n";
    }

    // switch statement:
    switch ( n )
    {
    case 1:   // <== combine cases 1 and 2
    case 2:
        cout << "You'll have a nice day.\n";
        break;
    case 3:
        cout << "Call your parents.\n";
        break;
    case 4:
        cout << "You'll lose all your money today.\n";
        break;
    default:
        cout << "Something's wrong.\n";
        break;
    }

    return 0;
}