20.30. Write a program that reads an array and sort them.

#include<stdio.h>
#include<conio.h> 

#include<stdlib.h>
void main ()

{
int *a,i,j,temp,n;

printf("How many number: ");

scanf("%d", &n);

a=(int *)malloc(sizeof(int)*n);

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

scanf("%d",a+i);

for(i=n-1;i>0;i--)

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

if(*(a+j)>*(a+j+1))

{

temp=*(a+j);

*(a+j)=*(a+j+1);

*(a+j+1)=temp;

}

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

printf("%4d", * (a+i));

getch ();
}