浮躁的人，终究一事无成！

Problem description：      输入一颗二叉树，你的任务是按从上到下、从左到右的顺序输出各个节点的值。每个节点都按照从根节点到他的移动序列给出（L表示左，R表示右）。在输入中，每个节点的左括号和有括号之间没有空格，相邻节点之间有一个空格。每棵树的输入用括号（）结束。     注意：如果从根到某个叶节点的路径上有的节点没有在输入中给出或者给出了超过一次，应当输出-1。借点数不

Argestes and Sequence Time Limit: 5000/2500 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 511    Accepted Submission(s): 127 Problem Description Argest

Nice Sequence Time Limit: 12000/6000MS (Java/Others)Memory Limit: 128000/64000KB (Java/Others) SubmitStatisticNext Problem Problem Description       Let us consider the sequence a1, a2,.

Killing Monsters Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 160    Accepted Submission(s): 86 Problem Description Kingdom Ru

Lost Cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9201   Accepted: 5917 Description N (2 <= N <= 8,000) cows have unique brands in the range 1..N.

Stars Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 32548   Accepted: 14221 Description Astronomers often examine star maps where stars are represented b

Wow! Such Sequence! Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1894    Accepted Submission(s): 585 Problem Description Recent

Hardwood Species Time Limit: 10000MS   Memory Limit: 65536K Total Submissions: 18603   Accepted: 7361 Description Hardwoods are the botanical group of trees that have b

Count Color Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 35248   Accepted: 10622 Description Chosen Problem Solving and Program design as an optional co

A Simple Problem with Integers Time Limit: 5000MS   Memory Limit: 131072K Total Submissions: 61636   Accepted: 18840 Case Time Limit: 2000MS Description You have N

Just a Hook Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 17481    Accepted Submission(s): 8731 Problem Description In the game o

Who Gets the Most Candies? Time Limit: 5000MS   Memory Limit: 131072K Total Submissions: 9934   Accepted: 3050 Case Time Limit: 2000MS Description N children are s

Billboard Time Limit: 20000/8000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 10890    Accepted Submission(s): 4827 Problem Description At the entranc

Buy Tickets Time Limit: 4000MS   Memory Limit: 65536K Total Submissions: 13277   Accepted: 6595 Description Railway tickets were difficult to buy around the Lunar New Y

Minimum Inversion Number Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 10853    Accepted Submission(s): 6676 Problem Description

Find them, Catch them Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 31412   Accepted: 9677 Description The police office in Tadu City decides to say ends

Description The Little Elephant loves to play with color cards. He has n cards, each has exactly two colors (the color of the front side and the color of the back side). Ini

Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decides to organize a game of Ultimate Frisbee with some of the cows.

最近学习树链剖分，在网上搜了很多文章，这里推荐一篇博客：点击打开链接。         这篇博客讲的很仔细，在了解了基本原理之后，可以学习一下kuangbin大大的模板： 定义部分： struct Edge { int to,next; }edge[2*maxn];//树的边 int head[maxn],tot;//邻接表 int top[maxn];//节点所在重链的最