@[xuchuyu](/user/1126661) 为什么要加上 `if(x>fx or y>fy) return;` 这句？
by So_noSlack @ 2023-12-06 19:56:57
@[xuchuyu](/user/1126661) 去掉就 $\text{A}$ 了。。
by So_noSlack @ 2023-12-06 19:59:41
@[So_noSlack](/user/692287) thx
by L_xcy @ 2023-12-06 20:07:25
@[So_noSlack](/user/692287) 已关
by L_xcy @ 2023-12-06 20:09:36