Selection sorting

/*SELECTION SORT (ASCENDING AND DESCENDING ORDER ORDER) */
#include<stdio.h>
void main()
{
int n,a[1000],i,j,t,m,l;
printf("enter the number of numbers that are to be sorted\n");
scanf("%d",&n);
printf(" enter the elements of the array\n"); for(i=0;i<n;i++)
scanf("%d",&a[i]);

for(i=0;i<n;i++)
	  {
	  	t=i;
	  	for(j=i;j<n;j++)
	  	if(a[t]>a[j])
	  	 {
	  	 	t=j;
	  	 }
	  	if(t!=i)
	  	{
		  
		m=a[i]; 	
		a[i]=a[t];
		a[t]=m;
	    }
		
		
	  }

printf("\n ASCENDING ORDER :\n"); for(i=0;i<n;i++)
printf(" %d ",a[i]);
printf("\n DESCENDING ORDER:\n"); for(i=n-1;i>=0;i--)
printf(" %d ",a[i]);
}