虚树

数据结构

占个坑？
咕咕咕

• [BZOJ3611]大工程 https://www.luogu.org/problemnew/show/P4103
• [BZOJ4912]天才黑客
• [BZOJ2286]消耗战 https://www.luogu.org/problemnew/show/P2495
• [HNOI2014]世界树 https://www.luogu.org/problemnew/show/P3233
• [HNOI/AHOI2018]毒瘤
• [SDOI2007]游戏 https://www.luogu.org/problemnew/show/P2462
• [CTSC2018]假面
• [CF613D]Kingdom and its Cities https://www.luogu.org/problemnew/show/CF613D
• [CF809E]Surprise me! https://www.luogu.org/problemnew/show/CF809E