C++ Exercises: Print a square pattern with # character

Last update on April 07 2025 12:59:43 (UTC/GMT +8 hours)

17. Print a Square Pattern with '#' Character

Write a program in C++ to print a square pattern with the # character.

Visual Presentation:

C++ Exercises: Print a square pattern with # character

Sample Solution :-

C++ Code :

#include <iostream> // Include input-output stream header

using namespace std; // Using standard namespace to avoid writing std::

int main() // Start of the main function
{
    int size; // Declaration of variable 'size' to store the number of characters for each side of the square
    cout << "\n\n Print a pattern like square with # character:\n"; // Display message on the console
    cout << "--------------------------------------------------\n";
    cout << " Input the number of characters for a side: "; // Prompt the user to input the number of characters for a side
    cin >> size; // Read the input value as the size of the square

    // Loop for rows of the square
    for (int row = 1; row <= size; ++row) 
    {
        // Loop for columns of the square
        for (int col = 1; col <= size; ++col) 
        {
            cout << "# "; // Display the character '#' followed by a space to form the square pattern
        }
        cout << endl; // Move to the next line after printing a row of the square
    }
    return 0; // Indicates successful termination of the program
}

Sample Output:

 Print a pattern like square with # character:                         
--------------------------------------------------                     
 Input the number of characters for a side: 4                          
# # # #                                                                
# # # #                                                                
# # # #                                                                
# # # #

Flowchart:

For more Practice: Solve these Related Problems:

Write a C++ program to display a square pattern of '#' characters with a side length specified by the user.
Write a C++ program that prints a hollow square pattern using '#' characters based on user input for the side length.
Write a C++ program to generate a square pattern of '#' characters and include row and column indices in the output.
Write a C++ program that reads the size of the square and prints a filled square pattern using the '#' symbol.

C++ Code Editor:

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