Part 4.1-4.4 动态规划
题单介绍
# Part 4 动态规划
> 动态规划是一种重要的思维方法,通过利用已有的子问题信息高效求出当前问题的最优解。
## Part 4.1 线性动态规划
> 线性动态规划,即具有线性阶段划分的动态规划。
- [P1216 数字三角形](https://www.luogu.com.cn/problem/P1216)
- [P1020 导弹拦截](https://www.luogu.com.cn/problem/P1020)
- [P1091 合唱队形](https://www.luogu.com.cn/problem/P1091)
- [P1095 守望者的逃离](https://www.luogu.com.cn/problem/P1095)
- [P1541 乌龟棋](https://www.luogu.com.cn/problem/P1541)
- [P1868 饥饿的奶牛](https://www.luogu.com.cn/problem/P1868)
- [P2679 子串](https://www.luogu.com.cn/problem/P2679)
- [P2501 [HAOI2006]数字序列](https://www.luogu.com.cn/problem/P2501)
- [P3336 [ZJOI2013]话旧](https://www.luogu.com.cn/problem/P3336)
- [P3558 [POI2013]BAJ-Bytecomputer](https://www.luogu.com.cn/problem/P3558)
- [P4158 [SCOI2009]粉刷匠](https://www.luogu.com.cn/problem/P4158)
- [P5301 [GXOI/GZOI2019]宝牌一大堆](https://www.luogu.com.cn/problem/P5301)
## Part 4.2 背包动态规划
> 背包动态规划是线性动态规划中特殊的一类,NOIP中考到的次数也不少。
- [P1048 采药](https://www.luogu.com.cn/problem/P1048)
- [P1060 开心的金明](https://www.luogu.com.cn/problem/P1060)
- [P1855 榨取kkksc03](https://www.luogu.com.cn/problem/P1855)
- [P5020 货币系统](https://www.luogu.com.cn/problem/P5020)
- [P1757 通天之分组背包](https://www.luogu.com.cn/problem/P1757)
- [P1064 金明的预算方案](https://www.luogu.com.cn/problem/P1064)
- [P2946 [USACO09MAR]Cow Frisbee Team](https://www.luogu.com.cn/problem/P2946)
- [P1156 垃圾陷阱](https://www.luogu.com.cn/problem/P1156)
- [P5322 [BJOI2019]排兵布阵](https://www.luogu.com.cn/problem/P5322)
- [P5289 [十二省联考2019]皮配](https://www.luogu.com.cn/problem/P5289)
## Part 4.3 区间动态规划
> 区间动态规划一般以区间作为动态规划的阶段。
- [P1880 [NOI1995]石子合并](https://www.luogu.com.cn/problem/P1880)
- [P3146 [USACO16OPEN]248](https://www.luogu.com.cn/problem/P3146)
- [P1063 能量项链](https://www.luogu.com.cn/problem/P1063)
- [P1005 矩阵取数游戏](https://www.luogu.com.cn/problem/P1005)
- [P4170 [CQOI2007]涂色](https://www.luogu.com.cn/problem/P4170)
- [P4302 [SCOI2003]字符串折叠](https://www.luogu.com.cn/problem/P4302)
- [P2466 [SDOI2008]Sue的小球](https://www.luogu.com.cn/problem/P2466)
## Part 4.4 树形动态规划
> 树形动态规划,即在树上进行的动态规划。
>
> 因为树的递归性质,树形动态规划一般都是递归求解的。
- [P1352 没有上司的舞会](https://www.luogu.com.cn/problem/P1352)
- [P1040 加分二叉树](https://www.luogu.com.cn/problem/P1040)
- [P1122 最大子树和](https://www.luogu.com.cn/problem/P1122)
- [P1273 有线电视网](https://www.luogu.com.cn/problem/P1273)
- [P2014 选课](https://www.luogu.com.cn/problem/P2014)
- [P2585 [ZJOI2006]三色二叉树](https://www.luogu.com.cn/problem/P2585)
- [P3047 [USACO12FEB]Nearby Cows](https://www.luogu.com.cn/problem/P3047)
- [P3698 [CQOI2017]小Q的棋盘](https://www.luogu.com.cn/problem/P3698)
- [P5658 括号树](https://www.luogu.com.cn/problem/P5658)
- [P2607 [ZJOI2008]骑士](https://www.luogu.com.cn/problem/P2607)
- [P3177 [HAOI2015]树上染色](https://www.luogu.com.cn/problem/P3177)
- [P4395 [BOI2003]Gem](https://www.luogu.com.cn/problem/P4395)
- [P4516 [JSOI2018]潜入行动](https://www.luogu.com.cn/problem/P4516)