Example: Sort Array in Descending Order (Bubble Sort) in C

// Sort Array in Descending Order (Bubble Sort)
#include <stdio.h>

int main() {
    // Step 1: Declare and initialize an array
    int arr[] = {5, 2, 8, 1, 9, 3};
    int n = sizeof(arr) / sizeof(arr[0]); // Calculate the number of elements
    int i, j, temp;

    printf("Original array: ");
    for (i = 0; i < n; i++) {
        printf("%d ", arr[i]);
    }
    printf("\n");

    // Step 2: Implement Bubble Sort for descending order
    // Outer loop for passes
    for (i = 0; i < n - 1; i++) {
        // Inner loop for comparisons and swaps
        for (j = 0; j < n - i - 1; j++) {
            // Compare adjacent elements
            // If the current element is smaller than the next, swap them
            if (arr[j] < arr[j+1]) {
                temp = arr[j];
                arr[j] = arr[j+1];
                arr[j+1] = temp;
            }
        }
    }

    // Step 3: Print the sorted array
    printf("Sorted array in descending order: ");
    for (i = 0; i < n; i++) {
        printf("%d ", arr[i]);
    }
    printf("\n");

    return 0;
}