1 /*有n个学生的信息（包括学号、姓名、成绩），要求按照成绩的高低顺序输出各学生的信息。*/
2 #include<stdio.h>
3 struct student
4 {
5 int number;
6 char name[20];
7 int score;
8 };
9 int main(void)
10 { struct student stu[5]={001,"wang",80,002,"zhang",89,003,"wang",60,004,"zhao",97,005,"sun",100};
11 struct student temp;
12 const int n=5;
13 int i,j,k;
14 for (i=0;i<n-1;i++)
15 {
16 k=i;
17 for (j=i+1;j<n;j++)
18 {
19 if(stu[j].score>stu[k].score)
20 k=j;
21 temp=stu[k];stu[k]=stu[i];stu[i]=temp;
22 }
23 }
24 for (i=0;i<n;i++)
25 {
26 printf("%d %s %d\n",stu[i].number,stu[i].name,stu[i].score);
27 }
28 return 0;
29 }
