Data Structures Practical 6

Question 1
Modify the Bubble Sort algorithm to sort an array in descending order.
bubblesort.c
C
				#include <stdio.h>
#include <conio.h>

#define max 30

void main()
{
    int i, size, temp, j, arr[max];
    clrscr();
    printf("\nEnter the number of elements in the array : ");
    scanf("%d", &size);
    printf("\nEnter the elements: ");
    for (i = 0; i < size; i++)
    {
        printf("\nEnter element %d: ", i + 1);
        scanf("%d", &arr[i]);
    }
    for (i = 0; i < size; i++)
    {
        for (j = 0; j < size - i - 1; j++)
        {
            if (arr[j] < arr[j + 1])
            {
                temp = arr[j];
                arr[j] = arr[j + 1];
                arr[j + 1] = temp;
            }
        }
    }
    printf("\nThe array sorted in descending order is :\n");
    for (i = 0; i < size; i++)
        printf("%d\t", arr[i]);
    getch();
}
			
Output

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