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  1. //Charlotte Davies-Kiernan              CS1A              Chapter 3 P. 146 #15
  2. //
  3. /*****************************************************************************
  4.  * 
  5.  * Display Addition Practice
  6.  * ___________________________________________________________________________
  7.  * This program help tutor the user, giving the user time to answer and then
  8.  * displaying the correct answer on the screen
  9.  * 
  10.  * The program will use the formual:
  11.  * sum = first number + second number
  12.  * __________________________________________________________________________
  13.  * INPUT
  14.  *   num1     //first random number given to user
  15.  *   num2     //second random number given to user to add to the first
  16.  * 
  17.  * OUTPUT
  18.  *   sum     //total of number 1 and 2 added together
  19.  ****************************************************************************/
  20. #include <iostream>
  21. #include <cstdlib>
  22. #include <ctime>
  23. #include <limits>
  24. using namespace std;
  25. int main() 
  26. {
  27. 	int num1;   //INPUT - first random number given to user
  28. 	int num2;   //INPUT - second random number given to user to add to the first
  29. 	int sum;    //OUTPUT - total of number 1 and 2 added together
  30. //
  31. // Generate two random numbers
  32.    srand(static_cast<unsigned int>(time(0)));
  33.    num1 = rand() % 900 + 100;
  34.    num2 = rand() % 900 + 100;
  35. //
  36. // Display the math problem for the user
  37.    cout << "Solve the following additional problem:\n";
  38.    cout << "  " << num1 << endl;
  39.    cout << "+ " << num2 << endl;
  40. //
  41. // Pause and wait for user to press Enter
  42.    cout << "\nPress Enter when you're ready to see the answer...";
  43.    cin.ignore(numeric_limits<streamsize>::max(), '\n');
  44. // 
  45. // Display the answer
  46.    sum = num1 + num2;
  47.    cout << "\nHere is the correct answer:\n\n";
  48.    cout << "  " << num1 << endl;
  49.    cout << "+ " << num2 << endl;
  50.    cout << "------\n";
  51.    cout << "  " << sum << endl;
  52. 	return 0;
  53. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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Standard input is empty
stdout
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Solve the following additional problem:
  185
+ 110

Press Enter when you're ready to see the answer...
Here is the correct answer:

  185
+ 110
------
  295
https://ideone.com/sj6EeM
language:
C++ (gcc 8.3)
created:
7 hours ago
visibility:
public

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