小寒

括号配对问题时间限制：3000 ms  |  内存限制：65535 KB难度：3描述现在，有一行括号序列，请你检查这行括号是否配对。输入第一行输入一个数N（0输出每组输入数据的输出占一行，如果该字符串中所含的括号是配对的，则输出Yes,如果不配对则输出No样例输入3[(])(])([[]()])样例输出NoNoYes

Wireless NetworkTime Limit: 10000MS Memory Limit: 65536KTotal Submissions: 18917 Accepted: 7957DescriptionAn earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team)

StripiesTime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 13278 Accepted: 6255DescriptionOur chemical biologists have invented a new very useful form of life called stripies (in fact

ExpeditionTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 8791 Accepted: 2575DescriptionA group of cows grabbed a truck and ventured on an expedition deep into the jungle. Being ra

RoadblocksTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 9479 Accepted: 3369DescriptionBessie has moved to a small farm and sometimes enjoys returning to visit one of her best f

Stall ReservationsTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 3660 Accepted: 1313 Special JudgeDescriptionOh those picky N (1 <= N <= 50,000) cows! They are so picky that each

pilot系列之最基础的穷竭搜索（初级篇）C题意：药药!切克闹! 煎饼果子来一套!有一个烤饼器可以烤r行c列的煎饼，煎饼可以正面朝上（用1表示）也可以背面朝上（用0表示）。一次可将同一行或同一列的煎饼全部翻转。现在需要把尽可能多的煎饼翻成正面朝上，问最多能使多少煎饼正面朝上？输入：多组输入，每组第一行为二整数r, c (1 ≤ r ≤ 10, 1 ≤ c ≤ 10 000)，剩下r行c列表

Network SaboteurTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 9706 Accepted: 4633DescriptionA university network is composed of N computers. System administrators gathered inform

Oil DepositsTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 13709 Accepted: 7473DescriptionThe GeoSurvComp geologic survey company is responsible for detecting underground oil depo

棋盘问题Time Limit: 1000MS Memory Limit: 10000KTotal Submissions: 25790 Accepted: 12756Description在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列，请编程求解对于给定形状和大小的棋盘，摆放k个棋子的所有可行的摆放

Team QueueTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1410 Accepted Submission(s): 475Problem DescriptionQueues and Priority Queu

The Blocks ProblemTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 4914 Accepted: 2090DescriptionMany areas of Computer Science use simple, abstract domains for both analytical and

The SetStack ComputerTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 995 Accepted: 206DescriptionBackground from Wikipedia: "Set theory is a branch of mathematics created principal

Train Problem ITime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 21854    Accepted Submission(s): 8269Problem DescriptionAs the ne

Fence RepairTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 30498 Accepted: 9869DescriptionFarmer John wants to repair a small length of the fence around the pasture. He measures