配合權值線段樹 https://www.acwing.com/problem/content/description/355/
配合動态開點的權值線段樹 https://www.acwing.com/problem/content/description/1282/
配合差分 https://www.acwing.com/problem/content/356/
樹上路徑邊權變為相反數 https://www.luogu.com.cn/problem/P1505
換根樹鍊剖分模闆題 https://www.acwing.com/problem/content/2526/
換根樹鍊剖分 子樹最小值 https://www.luogu.com.cn/problem/P3979
推公式 離線差分 https://www.luogu.com.cn/problem/P4211
換根 修改帶 \(\text{lca}\) https://www.luogu.com.cn/problem/CF916E
子樹疊代加相反數 https://www.luogu.com.cn/problem/CF383C