题解 弱智题,二进制表示位数.合并时用| 就是被1<<x卡了好久. 要写成1ll<<x才行 #include<iostream> #include<cstring> #include<cmath> #include<cstdio> #include<algorithm> using namespace std; ; int cnt,head[N]; int id[N],size[N],cao[N],tot; int n,m…
Count Color Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 53639 Accepted: 16153 Description Chosen Problem Solving and Program design as an optional course, you are required to solve all kinds of problems. Here, we get a new problem.…
The New Year holidays are over, but Resha doesn't want to throw away the New Year tree. He invited his best friends Kerim and Gural to help him to redecorate the New Year tree. The New Year tree is an undirected tree with n vertices and root in the v…
Turing Tree Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 4768 Accepted Submission(s): 1686 Problem Description After inventing Turing Tree, 3xian always felt boring when solving problems…
题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=3333 Turing Tree Time Limit: 6000/3000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) 问题描述 After inventing Turing Tree, 3xian always felt boring when solving problems about intervals, because…