You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.
# include <stdio.h>
int n = 0 ;
int rest [ 7 ] [ 7 ] ;
void swap ( int * a , int * b )
{
int m ;
m = * a ;
* a = * b ;
* b = m ;
}
void perm ( int list [ ] , int k , int m )
{
int i ;
int j ;
if ( k > m )
{
for ( i = 0 ; i < 7 ; i + + )
{
for ( j = 0 ; j < 7 ; j + + )
{
if ( rest [ i ] [ j ] = = 0 )
return ;
if ( rest [ i ] [ j ] ! = list [ i ] )
continue ;
if ( rest [ i ] [ j ] = = list [ i ] )
break ;
}
}
n + + ;
printf ( " Solution: %d \n " , n ) ;
printf ( " 钱 赵 孙 李 周 吴 陈 \n " ) ;
printf ( " ============================================================= \n " ) ;
for ( i = 0 ; i < = m ; i + + )
{
switch ( list [ i ] )
{
case 1 : printf ( " 星期一 " ) ;
break ;
case 2 : printf ( " 星期二 " ) ;
break ;
case 3 : printf ( " 星期三 " ) ;
break ;
case 4 : printf ( " 星期四 " ) ;
break ;
case 5 : printf ( " 星期五 " ) ;
break ;
case 6 : printf ( " 星期六 " ) ;
break ;
case 7 : printf ( " 星期日 " ) ;
break ;
default :
break ;
}
}
printf ( " \n \n \n " ) ;
}
else
{
for ( i = k ; i < = m ; i + + )
{
swap ( & list [ k ] , & list [ i ] ) ;
perm ( list , k + 1 , m ) ;
swap ( & list [ k ] , & list [ i ] ) ;
}
}
}
int main ( )
{
printf ( " 注意: \n " ) ;
printf ( " 1.请按钱、赵、孙、李、周、吴、陈的顺序输入休息每个人的时间。 \n " ) ;
printf ( " 2.输入星期时,请直接输入数字,如要输入'星期一',就用'1'代替,以此类推。 \n " ) ;
printf ( " 3.星期与星期之间用空格隔开, 每输入完一个人的休息日, 在其后输入0, 再按回车继续下一人。 \n " ) ;
printf ( " \n " ) ;
int list [ ] = { 1 , 2 , 3 , 4 , 5 , 6 , 7 } ;
int i , j ;
for ( i = 0 ; i < 7 ; i + + )
{
printf ( " 请输入第 %d 个人的休息时间: \n " , i + 1 ) ;
for ( j = 0 ; j < 7 ; j + + )
{
scanf ( " %d " , & rest [ i ] [ j ] ) ;
if ( rest [ i ] [ j ] = = 0 )
break ;
}
}
printf ( " \n \n \n " ) ;
perm ( list , 0 , 6 ) ;
getchar ( ) ;
printf ( " 输出完毕,按回车键结束! \n " ) ;
return 0 ;
}