Write a main method that prompts the user for an integer between 1 & 20 (inclusive). If the user enters an invalid number, prompt for another one. When a valid number is entered, call activity with that number as a parameter.

Question

Computers and Technology

Lina Snow

1 November, 16:30

Write a main method that prompts the user for an integer between 1 & 20 (inclusive). If the user enters an invalid number, prompt for another one. When a valid number is entered, call activity with that number as a parameter.

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Answers (1)

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Cordell Shaw · Answer 1

int main () {

int num;

cout<<"Enter the number"<
cin>>num;

if (num20)

{

while (num>20 || num<1) / /taking input if the number is not within range ...

{

cout<<"Enter the number again"<
cin>>num;

}

activity (num); //calling activity with the num ...

}

return 0;

}

Explanation:

Above written is the main function in which a prompting an integer between 1 and 20 if it is not within range then again taking input. Then after that calling activity with num as argument.