记录成长的点点滴滴. . . . .

Problem DescriptionLittle Valentine liked playing with binary trees very much. Her favorite game was constructing randomly looking binary trees with capital letters in the nodes.This is an example

Hard to PlayTime Limit: 2 Seconds      Memory Limit: 65536 KB MightyHorse is playing a music game called osu!. After playing for several months, MightyHorse discovered the way of calcu

最大子矩阵Time Limit: 30000/10000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2138    Accepted Submission(s): 1077Problem Description给你一个m×n的整数矩阵，在上面找一个x×y

Ignatius and the Princess IIITime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 9306 Accepted Submission(s): 6563Problem Description"Well,

A + BTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10243 Accepted Submission(s): 5867Problem Description读入两个小于100的正整数A和B,计算A+B.需要注意

最少拦截系统Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 11868 Accepted Submission(s): 4671Problem Description某国为了防御敌国的导弹袭击,发展出一种导弹拦截系统.但是

FatMouse' TradeTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 32207 Accepted Submission(s): 10402Problem DescriptionFatMouse prepared

Quoit DesignTime Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 21750 Accepted Submission(s): 5575Problem DescriptionHave you ever played

奥运排序问题Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2331 Accepted Submission(s): 510Problem Description按要求，给国家进行排名。Input有多组

Running RabbitsTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 614    Accepted Submission(s): 438Problem DescriptionRabbit Tom and r

TroubleTime Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3856    Accepted Submission(s): 1223Problem DescriptionHassan is in trouble.

Hou Yi's secretTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1949    Accepted Submission(s): 474Problem DescriptionLong long ago,

Java BeansTime Limit: 2 Seconds      Memory Limit: 65536 KB There are N little kids sitting in a circle, each of them are carrying some java beans in their hand. Their teacher want to select

Density of Power NetworkTime Limit: 2 Seconds      Memory Limit: 65536 KB The vast power system is the most complicated man-made system and the greatest engineering innovation in the 20th ce

A + B Problem IITime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 154521 Accepted Submission(s): 29236Problem DescriptionI have a very si

Let the Balloon RiseTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 53959 Accepted Submission(s): 19496Problem DescriptionContest time

稳定排序Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3093 Accepted Submission(s): 1193Problem Description大家都知道，快速排序是不稳定的排序方法。如果对于数组中出现

Prime BasesTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 611 Accepted Submission(s): 281Problem DescriptionGiven any integer base b >

ParencodingsTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 16462 Accepted: 9839DescriptionLet S = s1 s2...s2n be a well-formed string of parentheses. S c

魔咒词典Time Limit: 8000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8622 Accepted Submission(s): 2214Problem Description哈利波特在魔法学校的必修课之一就是学习魔咒。据说魔法世界有10

奥运排序问题Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2331 Accepted Submission(s): 510Problem Description按要求，给国家进行排名。Input有多组

Robot MotionTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4691 Accepted Submission(s): 2164Problem DescriptionA robot has been pr

火星A+BTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 9139 Accepted Submission(s): 2988Problem Description读入两个不超过25位的火星正整数A和B，计算A+B。需要注意

游船出租Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6811 Accepted Submission(s): 2284Problem Description现有公园游船租赁处请你编写一个租船管理系统。当游客租船时，管理

Break Standard WeightTime Limit: 2 Seconds      Memory Limit: 65536 KB The balance was the first mass measuring instrument invented. In its traditional form, it consists of a pivoted horizon

Crazy SearchTime Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1611    Accepted Submission(s): 586Problem DescriptionMany people like