Bubble Sort

 2) Bubble Sort

Aim

To arrange elements in ascending order using Bubble Sort (without functions).

Objective

  • To study simple comparison-based sorting.

  • To understand swapping of adjacent elements.

Algorithm

  1. Input number of elements and array.

  2. Repeat for i = 0 to n-1

    • Repeat for j = 0 to n-i-2

    • If arr[j] > arr[j+1], swap them.

  3. Print sorted array.

Flowchart

Bubble Sort (Flowchart)

C Code

#include <stdio.h>

int main() {

    int n, i, j, temp;

    printf("Enter number of elements: ");

    scanf("%d", &n);

    int arr[n];

    printf("Enter array elements: ");

    for (i = 0; i < n; i++)

        scanf("%d", &arr[i]);

    for (i = 0; i < n - 1; i++) {

        for (j = 0; j < n - i - 1; j++) {

            if (arr[j] > arr[j + 1]) {

                temp = arr[j];

                arr[j] = arr[j + 1];

                arr[j + 1] = temp;

            }

        }

    }

    printf("Sorted array: ");

    for (i = 0; i < n; i++)

        printf("%d ", arr[i]);

    return 0;

}

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