Question

Write a program which asks the user to enter a number. While the number is outside the range of 50 to 65 (exclusive). print "This is not valid input." and ask the user to re-enter a number. Remember to include a comment at the start of the program. 7 A- B I - : F F 2

Answer 1

PROGRAM -

#include <iostream>
using namespace std;
int main()
{
//Taking input from the user
cout<<"ENTER A NUMBER\n";
int n;
while(1) //loop while run until we get the valid input
{
cin>>n;
cout<<n<<endl;
if(n<50 || n>65) //checking the given conditions
{
cout<<"THIS IS NOT A VALID INPUT\n";
cout<<"RE-ENTER THE NUMBER\n";
}
else
{
cout<<"VALID INPUT\n";
break; //breaking the loop after getting valid input
}
}
return 0;
}

OUTPUT -

Result CPU Time: 0.00 sec(s), Memory: 3372 kilobyte(s) ENTER A NUMBER 2 THIS IS NOT A VALID INPUT RE-ENTER THE NUMBER 3 THIS IS NOT A VALID INPUT RE-ENTER THE NUMBER 45 THIS IS NOT A VALID INPUT RE-ENTER THE NUMBER 55 VALID INPUT