@[Andy_2006](/user/261262) `check`函数没判断是否有节点 $l,r$？
by Houraisan_Kaguya @ 2020-02-26 19:02:15
@[Andy_2006](/user/261262)
Line16: `if(a[now].left!=-1)`
Line21: `if(a[now].right!=-1)`
by Houraisan_Kaguya @ 2020-02-26 19:09:11
@[Andy_2006](/user/261262)
- Line29: `if(l==-1&&r==-1)`
- Line33: `else if(l!=-1&&r!=-1&&a[l].value==a[r].value&&check(a[l].left,a[r].right)&&check(a[l].right,a[r].left))`
by Houraisan_Kaguya @ 2020-02-26 19:10:50
Line33:
`else if(l!=-1&&r!=-1...`（剩下都对）
by Houraisan_Kaguya @ 2020-02-26 19:11:41
以上行号可能有点错位，意会吧@[Andy_2006](/user/261262)
by Houraisan_Kaguya @ 2020-02-26 19:13:23
这样就可以过样例了
by Houraisan_Kaguya @ 2020-02-26 19:13:47
谢谢 我看看
by WaltVBAlston @ 2020-02-26 19:45:26