@[Camelliail](/user/1035989)
随便一个例子,当`mark=1,b=n-1`时,`mark`在进入`if`时的值为 $0$
by a_blue_cell @ 2024-02-15 20:03:00
@[a_blue_cell](/user/422759) 好的好的我懂啦,谢谢!
by Camelliail @ 2024-02-15 20:20:13