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原创 POJ 1116 Library

Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 922 Accepted: 305 Description Castaway Robinson Crusoe is living alone on a remote island. One day

2018-01-24 17:35:14 423

原创 Radar Installation (线段覆盖)

Radar Installation Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 94767 Accepted: 21097 Description Assume the coasting is an infinite straight line. Land

2017-12-18 22:57:53 301

原创线段覆盖系列

线段覆盖1 给定x轴上的N（0 输入描述 Input Description 输入第一行是一个整数N。接下来有N行，每行有二个空格隔开的整数，表示一条线段的二个端点的坐标。输出描述 Output Description 输出第一行是一个整数表示最多剩下的线段数。样例输入 Sample Input 3 6 3 1 3 2 5 样例输出 Sample O

2017-12-18 22:42:59 5235

原创萨布的生日礼物

萨布的生日礼物 Time Limit: 1 Second Memory Limit: 65536 KB 问题描述萨布刚刚度过了他的三岁生日，收到了很多礼物。尽管萨布只有三岁，但他和他的父亲约翰一样喜欢整洁。因此萨布已经开始整理这些礼物了。萨布共收到了 N 份礼物，且第 i 件礼物的标号是 i。他想把这 N 件礼物放到一些箱子里，并保证每个箱子里的礼物不会发生

2017-12-18 12:48:32 329

原创 Fractal

Fractal Time Limit: 2 Seconds Memory Limit: 65536 KB Score: 1 问题描述你们懂分形么？分形很美。给大家介绍一种分形图，Sierpinski 三角形，它的分形过程可以用这张图直观的展现：画一个等边三角形，找到三个边的中点，相互连起来，就得到了四个三角形，重复对外部的三个进行这个动作，就得

2017-12-18 11:18:38 488

原创周易与中国文化

周易与中国文化 Time Limit: 2 Seconds Memory Limit: 65536 KB Score: 1 问题描述 Banlk 的室友选修了《周易与中国文化》这节有名的通识课程，还未开课，室友便开始自己研究起了八卦的奥秘。一天晚上，Banlk 看见正在研究卦象的室友眼中闪过一道精光，突然站起身来，头也不回地朝阳台上走去。只见

2017-12-18 11:17:43 1081

原创 POJ 1753 Flip Game （枚举或高斯消元）

Flip Game Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 48244 Accepted: 20555 Description Flip game is played on a rectangular 4x4 fiel

2017-12-16 17:56:14 418

原创 ZOJ 1008 Gnome Tetravex （使用状态进行DFS）

Gnome Tetravex Time Limit: 10 Seconds Memory Limit: 32768 KB Hart is engaged in playing an interesting game, Gnome Tetravex, these days. In the game, at the beginning, the player is give

2017-12-15 13:06:10 391

原创 ZOJ 1004 Anagrams by Stack （DFS 注意栈！）

Anagrams by Stack Time Limit: 2 Seconds Memory Limit: 65536 KB How can anagrams result from sequences of stack operations? There are two sequences of stack operators which can convert TR

2017-12-14 22:49:15 534

原创 [error] ld returned 1 exit status 问题

1.是否已经有黑框在运行了？ 2.是否main出了问题！

2017-12-14 17:50:03 44039 1

原创基于twist加密法的代码实现

#include #include using namespace std; int k,n;char o[10000]; int A[10000],B[10000]; int key[10000];int num=0; int choose; void twist() { memset(A,0,sizeof(A)); memset(B,0,sizeof(B));n=-1; freo

2017-12-14 17:04:11 526

原创 ZOJ 1006 Do the Untwist

Cryptography deals with methods of secret communication that transform a message (the plaintext) into a disguised form (the ciphertext) so that no one seeing the ciphertext will be able to figure out

2017-12-13 23:18:32 279

原创 ZOJ 1005 Jugs （演绎推理）

Jugs Time Limit: 2 Seconds Memory Limit: 65536 KB Special Judge In the movie "Die Hard 3", Bruce Willis and Samuel L. Jackson were confronted with the following puzzle. They were gi

2017-12-13 22:39:28 381

原创 ZOJ 1003 Crashing Balloon （DFS）

Crashing Balloon Time Limit: 2 Seconds Memory Limit: 65536 KB On every June 1st, the Children's Day, there will be a game named "crashing balloon" on TV. The rule is very simple. On t

2017-12-13 22:38:30 364

原创 ZOJ 1002 firenet （ DFS）

Fire Net Time Limit: 2 Seconds Memory Limit: 65536 KB Suppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each represen

2017-12-13 22:32:03 367

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