exp09_02.c

《C语言程序设计教程、实验与练习》 源文件下载

#include <stdio.h>

struct user_info
{
 char name[20];
 int  age;
 char phone[20];
 char address[80];
 };
typedef struct user_info USERINFO;

void main()
{
 int i,j,k;
 USERINFO tmp;
 USERINFO user[5]=
 {
  {"Li",   31,"62201100","Beijing"},
  {"Wang", 29,"12347899","Xi an"},
  {"Anqi", 20,"76769892","Shanghai"},
  {"Zhang",46,"87432234","Tianjin"},
  {"Yang", 33,"87651234","Shenyang"}
   };
 for(i=1;i<5;i++)
  {
   k=5-i;
   for(j=0;j<5-i;j++)
     if(stricmp(user[j].name,user[k].name)>0)
	k=j;
   if(k!=5-i)
     {
      tmp=user[k];
      user[k]=user[5-i];
      user[5-i]=tmp;
       }
   }
  printf("%20s%5s%15s%20s\n","name","age","phone","address");
  for(i=0;i<5;i++)
    printf("%20s%5d%15s%20s\n",user[i].name,
       user[i].age,user[i].phone,user[i].address);
 }