Question

 Write a program that consists of a main method and a isInOrder 
   method.  main should read in two integers from the keyboard
   and then call isInOrder, passing it the two integers.  isInOrder
   should return true if the first parameter is less than 
   or equal to the second paramenter.  Otherwise, it should 
   return false.  On return to main, main should test the value
   returned.  If it is true, it should display "in order".  
   Othewise,  it should display "not in order".

Answer 1

Code:

#include <iostream>

using namespace std;

bool isInOrder( int n1,int n2) //bool datatype to return true or false
{
if (n1 <= n2) return true;
else return false;
}

int main()
{
int num1,num2;
   cout << "Enter two integers: " ;
   cin >> num1 >> num2; //store 2 integers
  
   if(isInOrder (num1,num2)) //pass them as parameter, check if it returns true
   cout << "In Order" << endl ;
   else
   cout << "Not In Order" << endl ;
}

The various test cases I used:

OUTPUT 1:

Enter two integers: 2 4
In Order

OUTPUT 2:

Enter two integers: 4 4
In Order

OUTPUT 3:

Enter two integers: 4 2
Not In Order