这道题目爆搜没办法过，加了优化也没用，建议楼主想正解
by Wilderness_114514 @ 2024-02-05 19:52:47
@[xq_z](/user/611614) 会做蓝题大佬tql%%%%%
by Steve_xh @ 2024-02-05 21:15:58
话说你好歹用下前缀和优化下吧
by Steve_xh @ 2024-02-05 21:20:53
@[Steve_xh](/user/639198) 会做蓝题又能咋样，都是差一点就做出来QAQ
by xq_z @ 2024-02-05 21:40:13
@[Wilderness_114514](/user/816495) 谢谢
by xq_z @ 2024-02-05 21:40:25