新月

Problem DescriptionZero Escape, is a visual novel adventure video game directed by Kotaro Uchikoshi (you may hear about ever17?) and developed by Chunsoft.Stilwell is enjoying the first chapte

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3056    Accepted Submission(s): 977Problem DescriptionFor the hope of a forever lo

Time Limit: 5000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1930    Accepted Submission(s): 1046Problem DescriptionBiologists finally invent t

Time Limit: 15000/5000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 3657    Accepted Submission(s): 987Problem DescriptionLost and AekdyCoin are frie

Time Limit: 4 Seconds      Memory Limit: 65536 KBAlice and Bob like eating cake very much. One day, Alice and Bob went to a bakery and bought many cakes.Now we know that they have bought n cakes

A thief made his way to a shop.As usual he has his lucky knapsack with him. The knapsack can contain k objects. There are n kinds of products in the shop and an infinite number of products of ea

DescriptionThere are n students in a class working on group projects. The students will divide into groups (some students may be in groups alone), work on their independent pieces, and then discuss

As Famil Door’s birthday is coming, some of his friends (like Gabi) decided to buy a present for him. His friends are going to buy a string consisted of round brackets since Famil Door loves string of

Problem DescriptionThere are no days and nights on byte island, so the residents here can hardly determine the length of a single day. Fortunately, they have invented a clock with several pointers

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 605    Accepted Submission(s): 127Problem DescriptionIt's really a simple problem.

详细题目见：http://7xjob4.com1.z0.glb.clouddn.com/0f10204481da21e62f8c145939e5828e思路：记dp[i][j]表示第i个木板尾部在j的方案数。那么对于i+1,可以分三种情况讨论，一种是i+1的头部在第i根整段的左边，一种是在右边，还有在中间，中间的有两种情况，其他都只有一种，然后就可以转移了。#include#includ

Max Sum Plus PlusTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 21752    Accepted Submission(s): 7282Problem DescriptionNow I t

Problem DescriptionThe reflected binary code, also known as Gray code after Frank Gray, is a binary numeral system where two successive values differ in only onebit (binary digit). The reflected b

Time Limit: 4000/4000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 130    Accepted Submission(s): 39Problem DescriptionYour company has just construc

Problem Descriptionn个有标号的球围成一个圈。每个球有两种颜色可以选择黑或白染色。问有多少种方案使得没有出现连续白球7个或连续黑球7个。 Input第一行有多组数据。第一行T表示组数。(T 每组包含n，表示球的个数。(1  Output每组先输出 "Case #x: " (其中x为当前组数) 该行接下来输出方案数。方案数mod 20

Problem DescriptionN个人围成一圈在讨论大扫除的事情，需要选出K个人。但是每个人与他距离为2的人存在矛盾，所以这K个人中任意两个人的距离不能为2，他们想知道共有多少种方法。 Input第一行包含一个数T(T接下来每行有两个数N，K，N表示人数，K表示需要的人数(1 Output输出满足题意的方案数，方案数很大，所以请输出方案数mod 1

Time Limit: 15000/10000MS (Java/Others)     Memory Limit: 65535/65535KB (Java/Others)Submit StatusThe story happened long long ago. One day, Cao Cao made a special order called "Chicken Ri

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 126    Accepted Submission(s): 68Problem DescriptionIn mathematics, and more spe

time limit per test2.5 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputLimak is a little polar bear. In the snow he found a scroll wi

ProblemGiven a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1 x 1 or greater located within the whole array. The sum of a rectangle

Problem DescriptionIn the unimaginable popular DotA game, the hero Lich has a wonderful skill: Frost Chain, release a jumping breath of frost that jumps N times against enemy units.Today