How far away ? Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 25408    Accepted Submission(s): 10111 Problem Description There are n houses in the village and some bidirectional roads connectin…

How far away ? Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8712    Accepted Submission(s): 3047 Problem Description There are n houses in the village and some bidirectional roads connecting…

题意: N个点,形成一棵树,边有长度. M个询问,每个询问(a,b),询问a和b的距离 思路: 模板题,看代码.DFS预处理算出每个结点离根结点的距离. 注意: qhead[maxn],而不是qhead[maxm]. 输出用%I64d,不要用%lld. C++ RE后 尝试用 G++交. 代码: struct node{ int to,w,next,lca; }; int const maxn = 40005; int const maxm = 205; int fa[maxn]; int he…

How far away ? Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 10312    Accepted Submission(s): 3743 Problem Description There are n houses in the village and some bidirectional roads connecting…

HDU - 2586 How far away ? Time Limit: 1000MS   Memory Limit: 32768KB   64bit IO Format: %I64d & %I64u Submit Status Description There are n houses in the village and some bidirectional roads connecting them. Every day peole always like to ask like th…

How far away ? Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 9359    Accepted Submission(s): 3285 Problem Description There are n houses in the village and some bidirectional roads connecting…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2586 LCA模版题. RMQ+LCA: #include <iostream> #include <cstdio> #include <cstring> #include <vector> using namespace std; ; typedef pair<int , int>P; vector <P> G[MAXN]; ] , ok…

http://acm.hdu.edu.cn/showproblem.php?pid=4280 题意:在最西边的点走到最东边的点最大容量. 思路:ISAP模板题,Dinic过不了. #include <cstdio> #include <algorithm> #include <iostream> #include <cstring> #include <string> #include <cmath> #include <que…

本文参考: https://www.cnblogs.com/GerynOhenz/p/8727415.html kuangbin的ACM模板(新) 题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4347 Problem Description The course of Software Design and Development Practice is objectionable. ZLC is facing a serious problem…

http://acm.hdu.edu.cn/showproblem.php?pid=2089 题意:求区间内不包含4和连续62的数的个数. 思路: 简单的数位dp模板题.给大家推荐一个好的讲解博客.http://blog.csdn.net/mosquito_zm/article/details/75226543 #include<iostream> #include<algorithm> #include<cstring> #include<cstdio>…