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Godfathertime limit: 2000 msmemory limit: 65536 kbthis problem will be judged on PKU. Original ID: 3107 64-bit integer Io format: % LLD Java class name: Main Last years Chicago was full of gangster fights and strange murders. The chief of the police got really tired of all these crimes, and decided to arrest the mafia leaders. Unfortunately, the structure of Chicago Mafia is rather complicated. There areNPersons known to be related to mafia. the police have traced their activity for some time, a

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Poj 3107 Godfather (tree dp) Godfather Time Limit:2000 MS Memory Limit:65536 K Total Submissions:5064 Accepted:1769 Description Last years Chicago was full of gangster fights and strange murders. The chief of the police got really tired of all these crimes, and decided to arrest the mafia leaders. Unfortunately, the structure of Chicago mafia is rather complicated. The

Godfather Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 4999 Accepted: 1729 DescriptionLast years Chicago is full of gangster fights and strange murders. The chief of the police got really tired of all these crimes, and decided to arrest the mafia leaders.Unfortunately, the structure of Chicago mafia is rather complicated. There is n persons known to being related to mafia. T

Godfather Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 5064 Accepted: 1769 DescriptionLast years Chicago is full of gangster fights and strange murders. The chief of the police got really tired of all these crimes, and decided to arrest the mafia leaders.Unfortunately, the structure of Chicago mafia is rather complicated. There is n persons known to being related to mafia. T

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Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 5154 Accepted: 1793 DescriptionLast years Chicago is full of gangster fights and strange murders. The chief of the police got really tired of all these crimes, and decided to arrest the mafia leaders.Unfortunately, the structure of Chicago mafia is rather complicated. There is n persons known to being related to mafia. The police has traced their activity for some time, and know that some o

Http://poj.org/problem? Id = 3107 Tree DP 1 #include View code Poj 3107 godfather

POJ3107-Godfather tree DP... vector with caution .... Submission timeout .. I really think there is nothing to optimize... it can be changed back to the bottom of the BFS .. but it's troublesome. remember a bunch of things .. look at discuss to know the main reason for the vector .. into a handwritten linked list .. 500 M submission timeout .. I really think there is nothing to optimize... it can be changed back to the bottom of the BFS .. but it's tr

Title Address: POJ 3107or the center of gravity of the bare tree, but this requires that all the center of gravity be output. Very simple.The code is as follows:#include #include #include #include #include #include #include #include #include #include using namespace STD;#define LL __int64#define PI ACOs ( -1.0)//#pragma comment (linker, "/stack:1024000000")#define Root 1, N, 1#define Lson L, Mid, rt#define Rson mid+1, R, RtConst intMod=1e9+7;Const intinf=0x3f3f3f3f;Const Doubleeqs=1e-9;Const int

Poj-3107 to give a tree with n nodes, the node number is 1 ~ N. After you delete a node, try to minimize the number of nodes in the remaining branches. There may be multiple solutions, which are output by serial number. Simple tree-like dp. In fact, even dp cannot be counted... it is to calculate the number of nodes in each subtree by directly counting statistics first by dfs. tot [I]. Update dfs again. Answer: f [I] = max (n-tot [I], max {tot [v] | v is the son of I }); the two dfs can be combi

Meaning to a N-node tree, the node number is 1~n, ask to delete a node, so that the remaining branches in the largest number of nodes as little as possible. There may be a variety of scenarios, which are output in numbered order. Ideas A simple tree DP. In fact, even the DP can not be counted ... is direct counting statistics First DFS computes the number of nodes per node tree tot[i]. DFS Update answer again: F[i] = max (N-tot[i], max{tot[v] | V is son of i}); Two Dfs can be combined in a DFS t

In July 1990, Guo Sheng Watson was in Zhaoqing, Guangdong. After graduating from junior high school, I went to Zhaoqing industrial and trade school to study computer network technology. Guo Shenghua seized the opportunity to use his daily savings to create a small website and set up his hacker empire.Time flies, and time flies. After graduation, Guo Shenghua went to Foshan, the home of martial arts in the Pearl River Delta. His first job was to work in the Computer City. At the same time, Guo Sh

POJ 3107 Godfather (center of gravity of the tree) Or the center of gravity of the naked tree, but this requirement outputs all the centers of gravity. Very simple.The Code is as follows: #include #include #include #include #include #include #include #include #include #include using namespace std;#define LL __int64#define pi aco

Test instructionsA tree that has n nodes, deletes a point, gets the largest branch of the Unicom minimum, and asks for such a set of pointsAnalysis:Dp[i] means to delete the largest Unicom branch I obtained, traversing the node, the problem with the vector will time out#include #includeSet>#include#include#include#include#include#include#includestring>#include#include#include#include#include#include#include#includeusing namespaceStd;typedef pairint,int>Pii;typedefLong Longll;#defineLson l,m,rt#d

Title Address: POJ 3107Tree-shaped DP water problem. Records the maximum number of nodes for each sub-tree of each point, as well as the summary points for all subtrees. And then traverse through to find the line.The code is as follows:#include POJ 3107 Godfather (tree-shaped DP)

Question Link Although the question is not difficult, 1A is still very good, but I just started to understand the wrong question and thought for a long time. In addition, it is said that this question will time out when vector is used. After reading this question, we should use the adjacent string. Question: To give a tree, make sure it is a tree. Find the maximum value of the number of nodes in the connected block after removing a vertex, find such a vertex, and output it in ascending order. An

In tableview, index is used to process English characters, Chinese characters (narrow characters and wide characters), and tableview is used to process English characters.[Problem description] I encountered a tableview index problem when developing the iOS Address Book Proje

Thanks to CharlesLiu for posting news source: AndiGutmans, one of the major language developers after CSDNPHP3, and one of the founders of Zend, recently bluntly criticized the Java language in the blog. He pointed out that the current Java vendor's

Submission timeout .. I really think there is nothing to optimize... it can be changed back to the bottom of the BFS .. but it's troublesome. remember a bunch of things .. look at discuss to know the main reason for the vector .. into a handwritten