8/5 Day 1
[luogu4768] [NOI2018] 归程 (Dijkstra+Kruskal重构树)
8/6 Day 2
[Luogu 4688] [Ynoi2016]掉进兔子洞 (莫队+bitset)
8/7 Day 3
[BZOJ 3173] [TJOI 2013] 最长上升子序列(fhq treap)
[BZOJ 1483] [HNOI2009] 梦幻布丁 (线段树合并)
8/8 Day 4
[LOJ2736] [JOISC 2016 Day 3] 回转寿司 (分块+堆)
8/9 Day 5
[Luogu P3825] [NOI2017] 游戏 (2-SAT)
[BZOJ 2199] [USACO11JAN] 大陆议会The Continental Cowngress(2-SAT)