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  1. //Charlotte Davies-Kiernan          CS1A                    Chapter 5 P.296 #13
  2. //
  3. /******************************************************************************
  4.  * 
  5.  * Identify Greatest and Least 
  6.  * ____________________________________________________________________________
  7.  * This program will prompt the user to enter a series of integers then it will
  8.  * identify which out of the numbers is the largest and smallest.
  9.  * ____________________________________________________________________________
  10.  * Input
  11.  *   number            //the number(s) the user enters into the program
  12.  * Output
  13.  *   largest           //largest number out of what the user decided to enter
  14.  *   smallest          //smallest number out of what the user decided to enter
  15.  *****************************************************************************/
  16. #include <iostream>
  17. #include <iomanip>
  18. using namespace std;
  19. int main() 
  20. {
  21.     int number;               //INPUT - number(s) user enters into program
  22.     int largest;              //OUPUT - largest number out of the number(s) the user entered
  23.     int smallest;             //OUTPUT - smallest number out of the number(s) the user entered
  24.     bool firstInput = true;   //to handle the very first number!
  25. //
  26. //Prompt User
  27. cout << "Enter a series of integers (enter -99 to stop): " << endl;
  28. //
  29. //Compute Greatest and Least
  30. while (true){
  31.      cin >> number;
  32.      if (number == -99)
  33.      break;
  34.      if (firstInput){
  35.      largest = smallest = number;
  36.      firstInput = false; //now we no longer treat future values as firstInput
  37.      }
  38.      else {
  39.      	if (number > largest)
  40.      	     largest = number;
  41.      	if (number < smallest)
  42.      	     smallest = number;
  43.      }
  44. }
  45. //
  46. //Output!
  47. if (firstInput)  //the user only typed -99
  48.     cout << "No numbers were entered" << endl;
  49.     else {
  50.     	cout << "largest number entered: " << largest << endl;
  51.     	cout << "smallest number entered: " << smallest << endl;
  52.     }
  53. 	return 0;
  54. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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5
10
15
35
20
-99
stdout
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Enter a series of integers (enter -99 to stop): 
largest number entered: 35
smallest number entered: 5
https://ideone.com/MWrkMH
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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