Using a Boolean variable to control the action of the loop. - C++ Data Type

C++ examples for Data Type:bool

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Description

Using a Boolean variable to control the action of the loop.

Demo Code

#include <iostream>
#include <cstdlib>    // Supports rand and srand.
#include <ctime>           // Supports time function.
using namespace std;
int main()//from   w ww . ja  v a  2 s  .com
{
  int  n = 0;
  bool do_more = true;
   srand(time(nullptr));         // Set random seed.
  int target = rand() % 50 + 1; // Get random 1-50.
  do {
    cout << "Enter your guess: ";
    cin >> n;
    if (n == 0) {
      cout << "Bye! ";
      do_more = false;
    }
    else if (n > target) {
      cout << "Guess is too high. " << endl;
    }
    else if (n < target) {
      cout << "Guess is too low. " << endl;
    }
    else {
      cout << "You win! ";
      cout << "Answer is " << n << endl;
      do_more = false;
    }
  } while (do_more);
  return 0;
}

Result


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