http://acm.hdu.edu.cn/showproblem.php?pid=1455 http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=243 uva开头描述: 307 - Sticks Time limit: 3.000 seconds hduoj 开头描述: E - Sticks Time Limit:3000MS     Memo…

Problem 2082 过路费    Problem Description 有n座城市,由n-1条路相连通,使得任意两座城市之间可达.每条路有过路费,要交过路费才能通过.每条路的过路费经常会更新,现问你,当前情况下,从城市a到城市b最少要花多少过路费.  Input 有多组样例,每组样例第一行输入两个正整数n,m(2 <= n<=50000,1<=m <= 50000),接下来n-1行,每行3个正整数a b c,(1 <= a,b <= n , a != b , 1…

http://acm.hdu.edu.cn/showproblem.php?pid=4712 Hamming Distance Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 1610    Accepted Submission(s): 630 Problem Description (From wikipedia) For bina…

hduoj 4706 Children's Day 2013 ACM/ICPC Asia Regional Online —— Warmup Herding Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2005    Accepted Submission(s): 563 Problem Description Little Joh…

题目链接:http://acm.fzu.edu.cn/problem.php?pid=2082 树链剖分模版题,求和,修改单边权. #include <iostream> #include <cstdio> #include <algorithm> #include <cstring> using namespace std; typedef long long LL; ; struct EDGE { int to , next; LL cost; }edg…

题目:http://acm.fzu.edu.cn/problem.php?pid=2082 Problem 2082 过路费 Accept: 528    Submit: 1654Time Limit: 1000 mSec    Memory Limit : 32768 KB  Problem Description 有n座城市,由n-1条路相连通,使得任意两座城市之间可达.每条路有过路费,要交过路费才能通过.每条路的过路费经常会更新,现问你,当前情况下,从城市a到城市b最少要花多少过路费.  …

主题链接:http://acm.hdu.edu.cn/showproblem.php?pid=2082 找单词 Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 4035    Accepted Submission(s): 2887 Problem Description 如果有x1个字母A. x2个字母B,..... x26个字母Z,…

FZU 2082 过路费 题目链接 树链抛分改动边的模板题 代码: #include <cstdio> #include <cstring> #include <vector> using namespace std; typedef long long ll; const int N = 50005; int dep[N], id[N], sz[N], top[N], son[N], fa[N], idx; int n, m; ll bit[N]; struct Ed…

最短路基础 这个题目hdu-oj 1874可以用来练习最短路的一些算法. Dijkstra 无优化版本 #include<cstdio> #include<iostream> #include<algorithm> #include<cstring> #define mt memset using namespace std; const int maxn = 210; const int inf = 1<<30; int N,M; int mp…

版权声明: 本文为博主Bravo Yeung(知乎UserName同名)的原创文章,欲转载请先私信获博主允许,转载时请附上网址 http://blog.csdn.net/lzuacm. HDUoj 5391 - Zball in Tina Town 在线提交: http://acm.hdu.edu.cn/showproblem.php?pid=5391 Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 262144/262144 K (Ja…