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Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
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# include <stdio.h>
/***********************
功能:输出所有的功能目录
输入:选择的功能编号
输出: 返回一个值给main函数
***********************/
int menu ( )
{ int c ;
int flag ;
do
{
flag = 1 ;
printf ( " ┏━━━━━━━━━━━━━━━━━━━━┓ \n " ) ;
printf ( " ┃ 1.选择出发点和目的地 ┃ \n " ) ;
printf ( " ┃ 2.查看景点信息 ┃ \n " ) ;
printf ( " ┃ 3.修改城市信息 ┃ \n " ) ;
printf ( " ┃ 4.增加景点信息 ┃ \n " ) ;
printf ( " ┃ 5.输出所有城市信息 ┃ \n " ) ;
printf ( " ┃ 6.输出单源路径 ┃ \n " ) ;
printf ( " ┃ 7.DFS遍历输出 ┃ \n " ) ;
printf ( " ┃ 8.删除节点 ┃ \n " ) ;
printf ( " ┃ 9.退出系统 ┃ \n " ) ;
printf ( " ┗━━━━━━━━━━━━━━━━━━━━┛ \n " ) ;
printf ( " 请输入您的选择 \n " ) ;
scanf ( " %d " , & c ) ;
if ( c = = 1 | | c = = 2 | | c = = 3 | | c = = 4 | | c = = 5 | | c = = 6 | | c = = 7 | | c = = 8 | | c = = 9 )
flag = 0 ;
} while ( flag ) ;
return c ;
}