#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#define ture 1
#define false 0
#define SEATCOUNT 12
#define FLIGHTCOUNT 12
#define FNAME_LEN 50
#define LNAME_LEN 50
/*要全局声明*/
char subinput;
int topinput;
typedef struct air_info
{
int set_num;
bool isbook;
char first_name[FNAME_LEN];
char last_name[LNAME_LEN];
} air_info;
air_info air_info_arr[FLIGHTCOUNT][SEATCOUNT];
air_info (*p)[SEATCOUNT]=air_info_arr;
void init()
{
int i = 0;
int j = 0;
for (i=0; i<FLIGHTCOUNT; i++)
{
for(j=0; j<SEATCOUNT; j++)
{
air_info_arr[i][j].first_name[FNAME_LEN]="E";
air_info_arr[i][j].last_name[LNAME_LEN]="E";
if((j%6)==0)
{
//方便测试
air_info_arr[i][j].isbook=true;
}
else
air_info_arr[i][j].isbook=false;
air_info_arr[i][j].set_num=j;
}
}
}
void show_topmenu()
{
printf("please choose flight:\r\n");
printf("0) 102 \r\n");
printf("1) 311 \r\n");
printf("2) 444\r\n");
printf("3) 519\r\n");
printf("4) Quit\r\n");
}
/**
* 描述: 展示菜单
*输入:无
*返回值:无
* 作者: 飞猪
* 日期:2019-12-19
*/
void show_submenu()
{
printf("To choose a function,enter its letter label:\r\n");
printf("a)Show number of empty seats\r\n");
printf("b)Show list of empty seats\r\n");
printf("c)Show alphabetical list of seats\r\n");
printf("d)Assign a customer to,a seat assignment\r\n");
printf("e)Delete a seat assignment\r\n");
printf("f)Quit\r\n");
}
/**
* 描述: 显示空座位的数量
*输入:结构体指针
*返回值:无
* 作者: 飞猪
* 日期: 2019-12-19
*
*/
int show_num(struct air_info (*p)[SEATCOUNT])
{
// printf("测试%d\r\n",p[0].isbook);
int j = 0;
int count = 0;
for(j=0; j<SEATCOUNT; j++)
{
if((p[topinput][j]).isbook==false)
count++;
}
printf("%d航班的空座位号数量为%d\r\n",i,count);
count = 0;
printf("\r\n");
main();
}
/**
* 描述: 显示详细的空座位列表
* 输入:结构体指针
* 返回值:无
* 作者: 飞猪
* 日期: 2019-12-19
**/
int show_list(struct air_info (*p)[SEATCOUNT])
{
// printf("测试%d\r\n",p[0].isbook);
int j = 0;
for(j=0; j<SEATCOUNT; j++)
{
if((p[topinput][j]).isbook==false)
printf("空座位号为%d\r\n",(p[topinput][j]).set_num);
}
printf("\r\n");
main();
}
/**
* 描述: 根据传入的结构体指针,分配座位
*输入:结构体指针
*返回值:无
* 作者: 飞猪
* 日期:2019-12-19
*
*/
void assign_seat(struct air_info (*p)[SEATCOUNT])
{
int j = 0;
char ch;
char tepm_fname[FNAME_LEN];
char tepm_lname[LNAME_LEN];
printf("please input your information:\r\n");
printf("please input first name:\r\n");
gets(tepm_fname);
printf("please input last name:\r\n");
gets(tepm_lname);
for(j=0; j<SEATCOUNT; j++)
{
if(p[topinput][j].isbook==false)
{
printf("your seat number is %d \r\n",(p[topinput][j]).set_num);
printf("are you sure booking this seat? Y/N ");
scanf(" %c", &ch);
while (ch=='Y')
{
printf("your set is : %d\r\n",(p[topinput][j]).set_num);
(p[topinput][j]).isbook=true;
strcpy(p[topinput][j].first_name,tepm_fname);
strcpy(p[topinput][j].last_name,tepm_lname);
printf("your first_name is : %s\r\n",p[topinput][j].first_name);
printf("your last_name is : %s\r\n",p[topinput][j].last_name);
main();
}
}
}
printf("\r\n");
}
/*
*描述:根据传入的结构体指针,删除预定
*输入:结构体指针
*返回值:无
*作者:飞猪
*修改日期:2019-12-19
*/
void delete_assign(struct air_info (*p)[SEATCOUNT])
{
char del_fir[FNAME_LEN];
int j = 0;
printf("please input the first name you will delete\r\n");
gets(del_fir);
for(j = 0; j<SEATCOUNT; j++)
{
if(!(strcmp((p[topinput][j]).first_name,del_fir)))
{
(p[topinput][j]).first_name[FNAME_LEN]="E";
(p[topinput][j]).last_name[LNAME_LEN]="E";
(p[topinput][j]).isbook=false;
printf("delete",(p[topinput][j]).set_num);
printf("delete sucess!\r\n");
break;
}
else
{
printf("can not find the name that you input,please input again!\r\n");
}
}
printf("\r\n");
main();
}
/**
* 描述: 快速排序算法
* 输入:左区间 右区间
* 返回值:无
* 作者: 飞猪
* 日期: 2019-12-19
**/
void quick_sort(int left,int right)
{
int a[SEATCOUNT];
if(left>=right)
return ;
int i=left;
int j=right;
int key=a[i];
while(i<j)
{
while(i<j&&key<=a[j])
j--;
a[i]=a[j];
while(i<j&&key>=a[i])
i++;
a[j]=a[i];
}
a[i]=key;
quick_sort(left,i-1);
quick_sort(i+1,right);
}
/**
* 描述: 原题中为按字母排序(其实就是ascii码),这里修改为按座位号排序
* 输入:结构体指针
* 返回值:無
* 作者: 飞猪
* 日期: 2019-12-19
**/
void show_num_list(struct air_info (*p)[SEATCOUNT])
{
int j = 0;
quick_sort(p[topinput][0].set_num,p[topinput][SEATCOUNT].set_num);
printf("seat has been sorted\r\n");
for(j=0; j<SEATCOUNT; j++)
printf("set_num:%d\e\n",p[topinput][j].set_num);
}
int main()
{
topinput=0;
init();
show_topmenu();
gets(&topinput);
switch(topinput)
{
case'0':
show_submenu();
break;
case'1':
show_submenu();
break;
case'2':
show_submenu();
break;
case'3':
show_submenu();
break;
case'4':
return -1 ;
break;
}
printf("please input your selection: ");
gets(&subinput);
switch(subinput)
{
case'a':
show_num(air_info_arr);
break;
case'b':
show_list(air_info_arr);
break;
case'c':
show_num_list(air_info_arr);
break;
case'd':
assign_seat(air_info_arr);
break;
case'e':
delete_assign(air_info_arr);
break;
case'f':
return -1 ;
break;
}
return 0;
}
C primer plus 14章课后题--巨人航空公司问题
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转载自blog.csdn.net/qq_16933601/article/details/103642840
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