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POJ 2342 - Anniversary party
树形DP的水题。 状态转移方程: 设dp[i][0]为第i号人不去的情况下,以其为根的子树,最大的rating和;dp[i][1]为第i号人去的情况下,以其为根的子树,最大的rating和; 对于树上的每条边:edge[u][ (v[1]) ]……edge[u][ (v[k]) ]……,都有: dp ...
分类:其他好文   时间:2017-07-11 23:15:20    阅读次数:222
poj 2342 && hdu 1520
Anniversary party Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 11261 Accepted Submission(s): 4 ...
分类:其他好文   时间:2017-07-09 12:21:26    阅读次数:159
[POJ2342]Anniversary party
OJ题号:POJ2342、洛谷1352 思路:树形动规(递归实现),每次返回一个pair,分别记录包括本人的最大值和不包括本人的最大值,每次如果遇到conviviality rating为负的就忽略。 ...
分类:其他好文   时间:2017-07-04 21:44:47    阅读次数:144
HDU - 4758 Walk Through Squares (AC自己主动机+DP)
Description On the beaming day of 60th anniversary of NJUST, as a military college which was Second Artillery Academy of Harbin Military Engineering I ...
分类:其他好文   时间:2017-06-23 12:49:46    阅读次数:222
POJ 2342?Anniversary party
Anniversary party Description There is going to be a party to celebrate the 80-th Anniversary of the Ural State University. The University has a hiera ...
分类:其他好文   时间:2017-06-21 09:43:04    阅读次数:200
HDOJ 题目1520 Anniversary party(树形dp)
Anniversary party Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 6271 Accepted Submission(s): 2 ...
分类:其他好文   时间:2017-06-20 22:24:17    阅读次数:203
【DFS】Anniversary Cake
[poj1020]Anniversary Cake Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 17203 Accepted: 5619 Description Nahid Khaleh decides to invite t ...
分类:其他好文   时间:2017-06-18 18:59:03    阅读次数:178
BestCoder 1st Anniversary ($) Hidden String(深搜)
题意:给一个字符串s,问s中先后出现的三个子串是否能组成“anniversary” 解析:深搜,搜的层次小于等于三而且找到完整字符“anniversary”即正确,否则错误 #include<cstdio> #include<cstring> #include<algorithm> #include ...
分类:其他好文   时间:2017-06-04 10:51:30    阅读次数:191
BestCoder 1st Anniversary ($) 1002.Hidden String
Hidden String Accepts: 437 Submissions: 2174 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) 问题描写叙述 今天是BestCoder一周年 ...
分类:其他好文   时间:2017-06-03 19:15:06    阅读次数:237
HDU 1520 Anniversary party(DFS或树形DP)
Problem Description There is going to be a party to celebrate the 80-th Anniversary of the Ural State University. The University has a hierarchical st ...
分类:其他好文   时间:2017-06-03 17:20:58    阅读次数:136
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