C (programming language)

C program to print Rhombus star pattern

Understanding the Rhombus Star Pattern

A rhombus is a quadrilateral with four equal sides. In this pattern, we use asterisks (*) to create a visual representation of a rhombus on the console. The stars are arranged in a symmetrical manner, forming a diamond-like shape.

Steps to Create the Pattern

  1. Include necessary header files:


#include <stdio.h>
  1. Get user input:


int rows;
printf("Enter the number of rows: ");
scanf("%d", &rows);
  1. Use nested loops for pattern generation:


for (int i = 1; i <= rows; i++) {
    // Print leading spaces
    for (int j = 1; j <= rows - i; j++) {
        printf(" ");

    // Print stars
    for (int j = 1; j <= rows; j++) {

    printf("\n"); // Move to next line

Explanation of the Code

  • Outer loop (i): Iterates through each row of the rhombus.
  • Inner loop for spaces (j): Prints leading spaces to create the diagonal shape. The number of spaces decreases as the row number increases.
  • Inner loop for stars (j): Prints stars to form the body of the rhombus. The number of stars remains constant in each row.
  • printf("\n") statement: Moves the cursor to the next line after printing each row.

Customizing the Pattern

  • Change the character: Replace the asterisk (*) with any other character you prefer.
  • Adjust the spacing: Modify the number of spaces printed in the first inner loop to create different variations of the rhombus pattern.
  • Create a hollow rhombus: Print stars only on the borders of the rhombus by adding conditional checks within the second inner loop.

Key Points

  • The nested loops create the structure of the pattern.
  • The spacing and character choices determine the visual appearance.
  • Experimentation is encouraged to create various patterns and shapes.

(I’m unable to incorporate images directly, but I’ve ensured the code snippets are formatted correctly for readability.)


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