Question

Q1 1 Point We want to add a button to the tally counter example that allows an operator to undo an accidental button click. Provide a member function void undo() that simulates such a button. As an added precaution, make sure that the operator cannot click the undo button more often than the count button. Enter your answer here

C++

Answer 1

//assuming counter variable as c

//c is the number of times count button is pressed

Code :

#include<iostream>

using namespace std;

void undo(){

if(count>0)

count--;

else {

//undo button cannot be pressed

cout<<"Cannot press undo button";

}