本目录不包括GSS Query系列，关于GSS系列会单独开一个目录来更新
除部分题目缺少数论基础待补外，基本全部更新了。目录附带简单题意和讲解，具体思路和代码参考对应的博客。
1.CF240F TorCoder 2.CF242E XOR on Segment 3.CF343D Water Tree 4.CF383C Propagating tree 5.CF414C Mashmokh and Reverse Operation 6.CF431E Chemistry Experiment 7.CF438D The Child and Sequence 8.CF446C DZY Loves Fibonacci Numbers 9.CF490F Treeland Tour 10.CF515E Drazil and Park 11.CF522D Closest Equals 12.CF558E A Simple Task 13.CF594D REQ 14.CF600E Lomsat gelral 15.CF620E New Year Tree 16.CF718C Sasha and Array 17.CF739C Alyona and towers 18.CF786B Legacy 19.CF803G Periodic RMQ Problem 20.CF817F MEX Queries 21.CF840D Destiny 22.CF877E Danil and a Part-time Job 23.CF911G Mass Change Queries 24.CF915E Physical Education Lessons 25.CF992E Nastya and King-Shamans 26.CF1000F One Occurrence 27.CF1004F Sonya and Bitwise OR 28.CF1114F Please, another Queries on Array? 29.CF1149C Tree Generator™ 30.CF1422F Boring Queries
