题意 题目链接 Sol 树链剖分板子 + 动态开节点线段树板子 #include<bits/stdc++.h> #define Pair pair<int, int> #define MP(x, y) make_pair(x, y) #define fi first #define se second //#define int long long #define LL long long #define Fin(x) {freopen(#x".in",&quo
题意 题目链接 Sol 直接上动态开节点线段树 因为只有一次询问,所以中途不需要下传标记 #include<bits/stdc++.h> #define LL long long using namespace std; const int MAXN = 8e6 + 10, INF = 1e9 + 10; template <typename A, typename B> inline bool chmin(A &a, B b){if(a > b) {a = b; r
题目描述 首先村落里的一共有n座房屋,并形成一个树状结构.然后救济粮分m次发放,每次选择两个房屋(x,y),然后对于x到y的路径上(含x和y)每座房子里发放一袋z类型的救济粮. 然后深绘里想知道,当所有的救济粮发放完毕后,每座房子里存放的最多的是哪种救济粮. 说明 对于20%的数据,1 <= n, m <= 100 对于50%的数据,1 <= n, m <= 2000 对于100%的数据,1 <= n, m <= 100000, 1 <= a, b, x, y &
题目描述 Just like humans enjoy playing the game of Hopscotch, Farmer John's cows have invented a variant of the game for themselves to play. Being played by clumsy animals weighing nearly a ton, Cow Hopscotch almost always ends in disaster, but this has
题目原网址:http://acm.hdu.edu.cn/showproblem.php?pid=6183 题目中文翻译: Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 132768/132768 K (Java/Others) Total Submission(s): 1677 Accepted Submission(s): 500 Problem Description 你喜欢画画吗? Little D不喜欢画画,特别
Physical Education Lessons CodeForces - 915E This year Alex has finished school, and now he is a first-year student of Berland State University. For him it was a total surprise that even though he studies programming, he still has to attend physical