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#include"stdio.h"
#include"stdlib.h"
#include"string.h"
#define m 20
#define max 100
typedef struct studentnode{
char cardnum[m];
char name[m];
char classnum[m];
char college[m];
}node;
typedef struct{
node r[max+1];
int length;
}table;
void sort(table *tab,int left,int right)
{
int i,j;
if(left<right)
{
i=left;
j=right;
tab->r[0]=tab->r[i];
do
{
while(strcmp(tab->r[j].cardnum,tab->r[0].cardnum)==1&&i<j)j--;
if(i<j)
{
tab->r[i]=tab->r[j];
i++;
}
while(strcmp(tab->r[i].cardnum,tab->r[0].cardnum)==-1&&i<j)i++;
if(i<j)
{tab->r[j]=tab->r[i];j--;}
}while(i!=j);
tab->r[i]=tab->r[0];
sort(tab,left,i-1);
sort(tab,i+1,right);
}
}
void creat(table *tab)
{
int i,j,k;
printf("请输入结点个数:\n");
scanf("%d",&tab->length);
tab->length++;
getchar();
for(i=1;i<tab->length;i++)
{
printf("请输入卡号:\n");
gets(tab->r[i].cardnum);
printf("请输入名字:\n");
gets(tab->r[i].name);
printf("请输入班号:\n");
gets(tab->r[i].classnum);
printf("请输入系别:\n");
gets(tab->r[i].college);
printf("\n");
}
printf("创建完成\n");
}
void find(table *tab)
{
int i,j;
char object[m];
printf("请输入你要查找的系别:\n");
gets(object);
for(i=1;i<tab->length;i++)
{
if(strcmp(object,tab->r[i].college)==0)
{
puts(tab->r[i].cardnum);
puts(tab->r[i].name);
puts(tab->r[i].classnum);
puts(tab->r[i].college);
printf("\n");
}
}
}
void display(table *tab)
{
int i;
for(i=1;i<tab->length;i++)
{
puts(tab->r[i].cardnum);
puts(tab->r[i].name);
puts(tab->r[i].classnum);
puts(tab->r[i].college);
printf("\n");
}
}
int main()
{
int i;
table *tab;
tab=(table *)malloc(sizeof(table));
creat(tab);
sort(tab,1,tab->length-1);
display(tab);
while(scanf("%d",&i)!=EOF)
{
getchar();
find(tab);
}
return 0;
}Metadata
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