余票查询.doc

余票查询 #include iostream.h #include stdio.h #include string.h #include conio.h #define m 4 //3架飞机 #define n 5 //每架飞机5张票 struct node { char name[21]; char id[21]; int seat,plane,date; node *next,*pre; }; struct wait { char name[21]; char id[21]; char phone[8]; int seat,plane,date,count; wait *next,*pre; }; struct piao { int seat[n+1]; }; void makenull(); void makenull_piao(); void makenull_information(); void list_menu(); void list_piao(); void makenull_wait(); void list_information(); void plane_information(node *head); void book(); void add_information(node *head,int x,int y); void add_wait(int x,int y); void search_delete(int x); void write_to_file(); void show_wait(); bool comp(node *x,node*y); node *head1,*head2,*head3,*q; wait *wait_head,*wait_end; char c; piao a[m]; void main() { makenull(); do { list_menu(); coutendlchoose an operation: ; cinc; if (c!=6) switch(c) { case 0 : show_wait();break; case 1 : {list_piao();book();}break; case 2 : search_delete(1);break; case 3 : list_piao();break; case 4 : list_information();break; case 5 : search_delete(0);break; default : break; } }while(c!=6); coutExit System ; } void makenull() { makenull_piao(); makenull_information(); makenull_wait(); } void list_menu() { coutendl; coutendl 菜单; coutendl ************************; coutendl * 0 . 查看排队情况 *; coutendl * 1 . 订票 *; coutendl * 2 . 退票 *; coutendl * 3 . 查看剩余票 *; coutendl * 4 . 查看飞机信息 *; coutendl * 5 . 查看乘客信息 *; coutendl * 6 . 退出 *; coutendl ************************; coutendl; } void makenull_piao() { FILE *fp; int i; if((fp=fopen(piao.dat,r)) == NULL ) {