C Program to Sort the Elements in descending order

Description

Get array size n and n elements of array, then sort the elements of array in descending order.
Input:
5
5 7 9 3 1
Output:
9 7 5 3 1

Solution

#include<stdio.h>
#include<stdlib.h>
int main()
{
	int *a,n,i,j,temp;
	printf("Enter size of array:");
	scanf("%d",&n);

	a=malloc(sizeof(int)*n);

	printf("Enter %d Elements:",n);
	for(i=0;i<n;i++)
	{
		scanf("%d",&a[i]);
	}

	for(i=0;i<n-1;i++)
	{
		for(j=0;j<n-1;j++)
		{
			if(a[j]<a[j+1])
			{
				temp=a[j];
				a[j]=a[j+1];
				a[j+1]=temp;
			}
		}
	}
	printf("After sorting it in descending order:");
	for(i=0;i<n;i++)
	{
		printf("%d ",a[i]);
	}
	return 0;
				
}

Explanation

Bubble Sort Algorithm: 
Refer : https://www.tutorialspoint.com/data_structures_algorithms/bubble_sort_algorithm.htm



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