cq_phqg

Three countries, Red, Yellow, and Blue are in war. The map of battlefield is a tree, which means thatthere are N nodes and (N −1) edges that connect all the nodes. Each country has a base station loc

#include //树形dp,好题#include #include #include using namespace std;#define INF ((1<<31)-1)#define mod 10007int n,d;int head[210];int next[210<<1];int edge[210<<1];int num[210];

Count on the pathTime Limit: 5000/2500 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 255    Accepted Submission(s): 59Problem Descriptionbobo has

#include #include #include #include #include #pragma comment(linker, "/STACK:16777216")using namespace std;#define maxn 100010int m,n;int head[maxn];int edge[maxn<<1];int next[

D. Appleman and Treetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAppleman has a tree with n vertices. S

D. Valid Setstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAs you know, an undirected connected graph wit

New Year Bonus GrantSpecial JudgeTime Limit: 6000/3000MS (Java/Others)Memory Limit: 128000/64000KB (Java/Others)SubmitStatisticNext ProblemProblem Description      All programmers

D. Random Function and Treetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou have a rooted tree consistin