C++ Alphabet Pattern 22

Posted in C++ Tutorial

Updated on Jan 10, 2024

By Mari Selvan

👁️ 137 - Views

⏳ 4 mins

💬 1 Comment

Photo Credit to CodeToFun

C++ Alphabet Pattern 22

Here`s a program that prints the above alphabet pattern using C++ Programming:

example.cpp

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#include <iostream>
#include <iomanip>
using namespace std;

int main() {
  int i, j;
  int k = 65;
  for (i = 65; i <= 69; i++) {
    for (j = 69; j >= 65; j--) {
      if (j > i)
        cout << "  ";
      else
        cout << setw(2) << char(k++);
    }
    cout << "\n";
  }
  return 0;
}

💻 Testing the Program

When you run the above program, it will print the following output:

Output

        A
      B C
    D E F
  G H I J
K L M N O

🧠 How the Program Works

Let's break down the logic behind the code:

The program begins by including the necessary header files <iostream> and <iomanip>. These headers provide the necessary functions and objects for input/output operations and manipulations.
The line using namespace std; allows you to use names from the std namespace without explicitly specifying it. In this program, it is used to access the cout object from the std namespace.
The main() function is the entry point of the program.
Inside the main() function, the variables i and j are declared as integers. These variables will be used as loop counters.
The variable k is initialized with the value 65, which corresponds to the ASCII value of the character 'A'. This variable will be used to generate the characters to be printed.
The outer for loop iterates from i = 65 to i <= 69. This loop controls the number of rows in the pattern.
Inside the outer loop, there is an inner for loop that iterates from j = 69 to j >= 65. This loop controls the number of columns in each row of the pattern.
Within the inner loop, an if statement checks if the value of j is greater than the value of i. If it is, two spaces are printed using cout << " ". This creates the leading spaces before the characters.
If the condition in the if statement is not true, the else block is executed. It uses the setw() function from the <iomanip> library to set the width of the output to 2 characters. This ensures that each character is displayed with enough space.
The char(k++) statement prints the character corresponding to the ASCII value stored in the variablek. It also increments the value of k by 1 for the next iteration.
After the inner loop completes, a newline character "\n" is printed using cout << "\n". This moves the cursor to the next line, creating a new row in the pattern.
Once the outer loop completes, the program reaches the return 0; statement, which signifies the end of the main() function. The value 0 is returned to indicate that the program executed successfully.
The program terminates, and the output pattern is displayed on the console.

💯 Tips for Enhancement:

Explore the versatility of this pattern by adjusting its parameters. Whether you increase or decrease the size, tweak the spacing, or modify the characters used, each change opens up a world of possibilities, allowing you to customize and create your unique visual effects.

✔ Conclusion:

Creating visually appealing patterns is not only a fun endeavour but also a great way to enhance your programming or design skills. We hope this tutorial has inspired you to explore the world of creative coding. Share your creations with us, and let your imagination run wild!

🤗 Closing Call-to-Action:

We'd love to see your unique interpretations of the alphabet pattern. Share your creations in the comments below, and don't hesitate to reach out if you have any questions or suggestions for future tutorials. Happy coding!