12.24 ~ 12.30周训练计划+总结

12.24

补题
https://lydsy.com/JudgeOnline/problem.php?id=4036 fwt+子集反演
https://lydsy.com/JudgeOnline/problem.php?id=3302 树形dp
https://lydsy.com/JudgeOnline/problem.php?id=4057 状压
https://lydsy.com/JudgeOnline/problem.php?id=3771 fft
https://lydsy.com/JudgeOnline/problem.php?id=4355 segment tree beats
https://lydsy.com/JudgeOnline/problem.php?id=4695 segment tree beats

http://uoj.ac/problem/454

上午效率不高

12.25

上午考试
下午
补题
https://lydsy.com/JudgeOnline/problem.php?id=5306 非常好的一道容斥ntt题
https://loj.ac/problem/2542 最值反演+fwt+树上高斯消元
https://lydsy.com/JudgeOnline/problem.php?id=2784 爆搜+树上高斯消元
http://uoj.ac/problem/349 点分树

12.26

补了四道lzh讲过的题
https://lydsy.com/JudgeOnline/problem.php?id=2933 (这个好像没讲过，不过pk出来的)
https://lydsy.com/JudgeOnline/problem.php?id=3417 bfs
https://lydsy.com/JudgeOnline/problem.php?id=3832 拓扑排序+堆
https://lydsy.com/JudgeOnline/problem.php?id=2215 2sat+特判判判判判
写题
https://lydsy.com/JudgeOnline/problem.php?id=5417 用sam写了一遍
https://www.luogu.org/problemnew/show/P4233 多项式求逆+容斥
https://lydsy.com/JudgeOnline/problem.php?id=5341 边分治+虚树
感觉一天保证1道字符串，1道多项式，1道数据结构应该是可以做到的。

12.27

上午
考试
https://loj.ac/problem/6183 这个多项式不会，待填。

## 12.28 适合刷题的日子 https://lydsy.com/JudgeOnline/problem.php?id=2466 (写的树形dp) https://lydsy.com/JudgeOnline/problem.php?id=5152 (1道数据结构) https://lydsy.com/JudgeOnline/problem.php?id=1396 (1道字符串) https://lydsy.com/JudgeOnline/problem.php?id=3451 (1道多项式) 晚上 https://lydsy.com/JudgeOnline/problem.php?id=5091
## 12.29 上午考试一道字符串题我写了4k，然后小错误爆成10分。下午 https://lydsy.com/JudgeOnline/problem.php?id=3714 https://lydsy.com/JudgeOnline/problem.php?id=3208 https://lydsy.com/JudgeOnline/problem.php?id=4808 https://lydsy.com/JudgeOnline/problem.php?id=4429 https://lydsy.com/JudgeOnline/problem.php?id=4499 (【清华集训2014】玄学的弱化版~) https://lydsy.com/JudgeOnline/problem.php?id=4832 (这玩意要倒着推啊啊啊) https://lydsy.com/JudgeOnline/problem.php?id=1324
## 12.30 刷网络流啦 https://lydsy.com/JudgeOnline/problem.php?id=2597 https://lydsy.com/JudgeOnline/problem.php?id=1458 https://lydsy.com/JudgeOnline/problem.php?id=3275 https://lydsy.com/JudgeOnline/problem.php?id=2132 https://lydsy.com/JudgeOnline/problem.php?id=2281 (改以前模拟的一道题,nimk结论) https://lydsy.com/JudgeOnline/problem.php?id=2425 https://lydsy.com/JudgeOnline/problem.php?id=1222 (混进去两道dp) https://lydsy.com/JudgeOnline/problem.php?id=5084 https://lydsy.com/JudgeOnline/problem.php?id=3413 (混进去两道sam) 晚上打cf ! 掉了一百多分成功掉到紫...