fork download 
  1. // Torrez, Elaine                           CS1A                     Chapter 5 P. 298, #21
  2.  
  3. /******************************************************************************************
  4.  * 
  5.  * Square Display
  6.  * 
  7.  * --------------------------------------------------------------------------------
  8.  * This program asks the user for a number between 1 and 15 and then displays a 
  9.  * square made of the letter 'X' with sides equal to that number.
  10.  * --------------------------------------------------------------------------------
  11.  * 
  12.  * INPUT
  13.  *      size  : The size of the square (1–15)
  14.  * 
  15.  * OUTPUT
  16.  *      A square pattern made of the letter 'X'
  17.  * 
  18.  *******************************************************************************************/
  19.  
  20. #include <iostream>
  21. #include <limits>
  22. using namespace std;
  23.  
  24. int main ()
  25. {
  26.     int size;  // INPUT - Size of the square
  27.  
  28.     // Prompt user for input
  29.     cout << "Enter a number between 1 and 15: ";
  30.     while (!(cin >> size) || size < 1 || size > 15)
  31.     {
  32.         cout << "ERROR: Enter a number between 1 and 15: ";
  33.         cin.clear(); // clear error flag
  34.         cin.ignore(numeric_limits<streamsize>::max(), '\n'); // discard bad input
  35.     }
  36.  
  37.     cout << endl;
  38.  
  39.     // Display the square pattern
  40.     for (int row = 0; row < size; ++row)
  41.     {
  42.         for (int col = 0; col < size; ++col)
  43.         {
  44.             cout << "X";
  45.         }
  46.         cout << endl; // move to next line after each row
  47.     }
  48.  
  49.     return 0;
  50. }
  51.  
Success #stdin #stdout 0s 5316KB
comments (?)
stdin 
5
stdout 
Enter a number between 1 and 15: 
XXXXX
XXXXX
XXXXX
XXXXX
XXXXX
https://ideone.com/fnNp1J
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!