摘要：
Desert King Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 25310 Accepted: 7022 Description David the Great has just become the king of a 阅读全文
摘要：
Dropping tests Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11367 Accepted: 3962 Description In a certain course, you take n tests. If y 阅读全文
摘要：
Surround the Trees Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 10803 Accepted Submission(s): 阅读全文
摘要：
1809: Parenthesis Submit Status Time Limit: 5 Sec Memory Limit: 128 Mb Submitted: 1149 Solved: 326 Description Bobo has a balanced parenthesis sequenc 阅读全文
摘要：
Leo has a grid with N rows and M columns. All cells are painted with either black or white initially. Two cells A and B are called connected if they s 阅读全文
摘要：
历届试题 国王的烦恼 时间限制：1.0s 内存限制：256.0MB 时间限制：1.0s 内存限制：256.0MB 问题描述 C国由n个小岛组成，为了方便小岛之间联络，C国在小岛间建立了m座大桥，每座大桥连接两座小岛。两个小岛间可能存在多座桥连接。然而，由于海水冲刷，有一些大桥面临着不能使用的危险。 阅读全文
摘要：
#1467 : 2-SAT·hihoCoder音乐节 #1467 : 2-SAT·hihoCoder音乐节 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 hihoCoder音乐节由hihoCoder赞助商大力主办，邀请了众多嘉宾和知名乐队参与演出。 音乐会分为上午、下 阅读全文
摘要：
病毒侵袭 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 24393 Accepted Submission(s): 5862 Problem 阅读全文
摘要：
D. String Game time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output D. String Game time limit 阅读全文
摘要：
Bomb Game Time Limit: 10000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 5396 Accepted Submission(s): 1925 Pro 阅读全文
摘要：
Let's go home Time Limit: 10000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1940 Accepted Submission(s): 821 阅读全文
摘要：
Problem C Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 1196 Accepted Submission(s): 371 Pro 阅读全文
摘要：
COT2 - Count on a tree II #tree #tree You are given a tree with N nodes. The tree nodes are numbered from 1 to N. Each node has an integer weight. We 阅读全文
摘要：
Assignment Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 3813 Accepted Submission(s): 1771 Pro 阅读全文
摘要：
Turing Tree Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 5014 Accepted Submission(s): 1777 Pr 阅读全文