比赛vj链接：https://vjudge.net/contest/360050#overview
题解目录
CF624div3-A. Add Odd or Subtract Even 简单题
CF624div3-B. WeirdSort 简单题
CF624div3-C. Perform the Combo 差分
CF624div3-D. Three Integers 暴力枚举
CF624div3-E Construct the Binary Tree 构造+模拟
CF624div3-F. Moving Points 线段树+离散化