how to sort assending in c

Sorting in C Programming Language

To sort elements in ascending order in C, you can use the built-in function qsort. Here are the steps to achieve this:

  1. Include the Necessary Header Files:

  2. Include the necessary header files for input and output operations and for using the qsort function. #include <stdio.h> #include <stdlib.h>

  3. Define the Comparison Function:

  4. Define a comparison function that will be used by qsort to determine the order of elements. int compare(const void a, const void b) { return ((int)a - (int)b); }

  5. Call the qsort Function:

  6. Call the qsort function with the array to be sorted, the number of elements in the array, the size of each element, and the comparison function. int arr[] = {3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5}; int n = sizeof(arr) / sizeof(arr[0]); qsort(arr, n, sizeof(int), compare);

  7. Print the Sorted Array:

  8. Print the sorted array to see the elements in ascending order. for (int i = 0; i < n; i++) { printf("%d ", arr[i]); }

These steps will sort the elements in the array arr in ascending order using the qsort function in C.

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