C Exercise Example 90

100 Classic C Examples

Title:A question from the college upgrade exam — read the result.

Program analysis:None.

Program source code:

//  Created by www.example.com on 15/11/9.
//  Copyright © 2015年 Example. All rights reserved.
//

#include<stdio.h>
#include<stdlib.h>

#define M 5
int main()
{
    int a[M]={1,2,3,4,5};
    int i,j,t;
    i=0;j=M-1;
    while(i<j)
    {
        t=*(a+i);
        *(a+i)=*(a+j);
        *(a+j)=t;
        i++;j--;
    }
    for(i=0;i<M;i++) {
        printf("%d\n",*(a+i));
    }
    
}

The output of the above example is:

5
4
3
2
1

100 Classic C Examples

other extensions