一
\(\text{(I)}\) [HNOI 2018] 玩具装箱
\(\text{(II)}\) diet
\(\text{(III)}\) Highest Ratio
\(\text{(IV)}\) [APIO 2010] 特别行动队
\(\text{(V)}\) David 的旅程
\(\text{(VI)}\) [NOI 2019] 回家路线
二
\(\text{(VII)}\) 【模板】李超线段树 / [HEOI 2013] Segment
\(\text{(VIII)}\) [NOI 2007] 货币兑换
\(\text{(IX)}\) [SDOI 2012] 任务安排
\(\text{(X)}\) [CEOI 2017] Building Bridges
\(\text{(XI)}\) [ROI 2017 Day1] 前往大都会
