Sorting of Array Descending C programs

This program sorts an array in descending order using functions. This is a part of Mumbai University MCA Colleges C Programming MCA Sem 1

#include<conio.h>

#include<stdio.h>

void main()

{

int ar[50],sz,i;

void srt(int a[50],int);

clrscr();

printf("\n Enter size of array: ");

scanf("%d",&sz);

printf("\n Enter %d elements: ",sz);

for(i=0;i<sz;i++)

{

scanf("%d",&ar[i]);

}

srt(ar,sz);

getch();

}

void srt(int ar[],int sz)

{

int l,m;

for(l=0;l<sz;l++)

for(m=0;m<sz-1;m++)

{

if(ar[m]<ar[m+1])

{

ar[m]=ar[m]+ar[m+1];

ar[m+1]=ar[m]-ar[m+1];

ar[m]=ar[m]-ar[m+1];

}

}

printf("\n Descending order: ");

for(l=0;l<sz;l++)

{

printf("\n %d ",ar[l]);

}

}

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