原创 CodeForce 890A ACM ICPC
Description： In a small but very proud high school it was decided to win ACM ICPC. This goal requires to compose as
2020-02-25 15:31:24
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原创 CodeForces 893C Rumor
Description： Vova promised himself that he would never play computer games... But recently Firestorm — a well-known
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原创 CodeForces 888A Local Extrema
Description： You are given an array a. Some element of this array ai is a local minimum iff it is strictly less than
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原创 POJ 2031 Building a Space Station
Description： You are a member of the space station engineering team, and are assigned a task in the construction proc
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原创 CodeForces 888C Dominant Character
Description： You are given a string s consisting of lowercase Latin letters. Character c is called k-dominant iff ea
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原创 CodeForces 890C Petya and Catacombs
Description A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienc
2020-02-25 15:31:24
原创 CodeForces 893A Chess For Three
Description： Alex, Bob and Carl will soon participate in a team chess tournament. Since they are all in the same tea
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原创 POJ 3126 Prime Path
Description： The ministers of the cabinet were quite upset by the message from the Chief of Security stating that they
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原创 CodeForces 888B Buggy Robot
Description： Ivan has a robot which is situated on an infinite grid. Initially the robot is standing in the starting
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原创 CodeForces 890B Vald and Cafes
Description： Vlad likes to eat in cafes very much. During his life, he has visited cafes n times. Unfortunately, Vl
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原创 CodeForces 888D Almost Identity Permutations
Description： A permutation p of size n is an array such that every integer from 1 to n occurs exactly once in this
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原创 POJ 2421 Constructing Roads
Description： There are N villages, which are numbered from 1 to N, and you should build some roads such that every tw
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原创 POJ 1287 Networking
Description： You are assigned to design network connections between certain points in a wide area. You are given a se
2020-02-25 15:31:24
原创 藍橋杯 歷年真題 觀光鐵路（JAVA實現非正解瞎寫騙分）
問題描述 跳蚤國正在大力發展旅遊業，每個城市都被打造成了旅遊景點。 許多跳蚤想去其他城市旅遊，但是由於跳得比較慢，它們的願望難以實現。這時，小C聽說有一種叫做火車的交通工具，在鐵路上跑得很快，便抓住了商機，創立了一家鐵路公司，向跳
2019-03-24 09:15:19
原创 HDU 5973 Wrestling Match
Description： Nowadays, at least one wrestling match is held every year in our country. There are a lot of people in the
2018-09-26 00:24:08
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