HDU 1166 敌兵布阵（splay区间求和模板）
我就是贴一个模板。//// Created by CQU_CST_WuErli// Copyright (c) 2015 CQU_CST_WuErli. All rights reserved.//// #include<bits/stdc++.h>#include <iostream>#include <cstring>#include <cstdio>#include <c
