1707004736李海洋

```c
#include
#include
#include
#define MAXSIZE 100
typedef char datatype;
typedef struct link_node
{
char name[20];
int kahao;
char xibie[20];
}node;
typedef struct{
node vertextnode[MAXSIZE];
int N; //代表人数
}student;
void creat(student *S)
{
int a, n, i,b;
char s[20];
printf("请输入学生借书信息数:");
scanf("%d", &S->N);
getchar();
for (i = 0; i < S->N; i++)
{

printf("输入第%d个数据:\n", i+1);
printf("请输学生姓名:");
scanf("%s",&S->vertextnode[i].name);
getchar();
printf("请输入学生图书卡号:");
scanf("%d",&S->vertextnode[i].kahao);
getchar();
printf("请输入学生所在院系:");
scanf("%s",&S->vertextnode[i].xibie);
getchar();
}
}

void sort(student *S)
{
int i,j;
node p;
for(i=S->N;i>0;i--)
{
for(j=0;jvertextnode[i].kahao>S->vertextnode[i-1].kahao)
{
p=S->vertextnode[i];
S->vertextnode[i]=S->vertextnode[i-1];
S->vertextnode[i-1]=p;
}
}
}
void jians(student *S)
{
int i;
char m[20];
printf("请输入查找院系：");
scanf("%s",&m);

for(i=0;iN;i++)
{
if(strcmp(S->vertextnode[i].xibie,m)==0)
{
printf("-------------\n");
printf("学生姓名%s\n",S->vertextnode[i].name);
printf("学生借书卡号%d\n",S->vertextnode[i].kahao);
printf("学生院系%s\n",S->vertextnode[i].xibie);
printf("-------------\n");
}
}
}
int main()
{
int i=0;
char m[20];
student P;
creat(&P);
system("cls");
printf("---------按卡号大小进行排序-----------");
sort(&P);
for(i=0;i