0x01 从判定问题到形式语言 这篇讲知识证明的wiki([1]): https://en.wikipedia.org/wiki/Proof_of_knowledge 里面有一句话: Let x be a language element of language L in NP 这篇讲NPC的文章([2]) http://www.cs.princeton.edu/courses/archive/spr11/cos423/Lectures/NP-completeness.pdf 里面提到Decis…
HamaWhite 原创,转载请注明出处!欢迎大家增加Giraph 技术交流群: 228591158 Graph coloring is the problem of assigning a color to each vertex of an undirected graph such that no two adjacent vertices have the same color. We implement the greedy algorithm from Scalabl…
D. Bubble Sort Graph time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Iahub recently has learned Bubble Sort, an algorithm that is used to sort a permutation with n elements a1, a2, ..., an …
转载请注明出处: http://www.cnblogs.com/fraud/ ——by fraud Bubble Sort Graph Iahub recently has learned Bubble Sort, an algorithm that is used to sort a permutation with n elements a1, a2, ..., an in ascending order. He is bored of this so simple al…
This is a list of some of the more commonly known problems that are NP-complete when expressed as decision problems. As there are hundreds of such problems known, this list is in no way comprehensive. Many problems of this type can be found in Garey…
接着是C,D的题解 C. Tourist Problem Iahub is a big fan of tourists. He wants to become a tourist himself, so he planned a trip. There are n destinations on a straight road that Iahub wants to visit. Iahub starts the excursion from kilometer 0. The n destina…
Just A Mistake Time Limit: 5000/5000 MS (Java/Others) Memory Limit: 512000/512000 K (Java/Others)Total Submission(s): 168 Accepted Submission(s): 41 Problem Description As we all know, Matt is an outstanding contestant in ACM-ICPC. Graph proble…
As we all know, Matt is an outstanding contestant in ACM-ICPC. Graph problems are his favorite.Once, he came up with a simple algorithm for finding the maximal independent set in trees by mistake.A tree is a connected undirected graph without cycles,…
independent set 1 时间限制:C/C++ 1秒,其他语言2秒空间限制:C/C++ 102400K,其他语言204800K64bit IO Format: %lld 题目描述 Note: For C++ languages, the memory limit is 100 MB. For other languages, the memory limit is 200 MB. In graph theory, an independent set is a set of nonad…
Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area. For example, given the following matrix: 1 0 1 0 0 1 0 1 1 1 1 1 0 0 1 0 Return 4. Credits:Special thanks to @Freezen for adding this pr…
选自<Reinforcement Learning: An Introduction>, version 2, 2016, Chapter2 https://webdocs.cs.ualberta.ca/~sutton/book/bookdraft2016sep.pdf 引言中是这样引出Chapter2的: One of the challenges that arise in reinforcement learning, and not in other kinds of learning…
题目链接:http://poj.org/problem?id=2771 Guardian of Decency Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 5517 Accepted: 2322 Description Frank N. Stein is a very conservative high-school teacher. He wants to take some of his students on…
题目链接:http://poj.org/problem?id=1466 Girls and Boys Time Limit: 5000MS Memory Limit: 10000K Total Submissions: 12026 Accepted: 5355 Description In the second year of the university somebody started a study on the romantic relations between the stu…
Questions that are independent of programming language. These questions are typically more abstract than other categories. Free Language Agnostic Programming Books 97 Things Every Programmer Should Know Algorithms and Data-Structures (PDF) Algorithm…
http://poj.org/problem?id=1466 Girls and Boys Time Limit: 5000MS Memory Limit: 10000K Total Submissions: 11085 Accepted: 4956 Description In the second year of the university somebody started a study on the romantic relations between the students…
Problem H. Horrible Truth Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100610 Description In a Famous TV Show “Find Out” there are n characters and only one Horrible Truth. To make the series breathtaking all way long, the sc…
Problem H. Hard TestTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100342/attachments Description Andrew is having a hard time preparing his 239-th contest for Petrozavodsk. This time the solution to the problem is based on Di…
Girls and Boys Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 8470 Accepted Submission(s): 3890 Problem Description the second year of the university somebody started a study on the romant…
