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摘要： Avoid The LakesDescriptionFarmer John's farm was flooded in the most recent storm, a fact only aggravated by the information that his cows are deathly... 阅读全文

摘要： SeedingProblem Description It is spring time and farmers have to plant seeds in the field. Tom has a nice field, which is a rectangle with n * m squar... 阅读全文

摘要： LottoDescriptionIn the German Lotto you have to select 6 numbers from the set {1,2,...,49}. A popular strategy to play Lotto - although it doesn... 阅读全文

摘要： 变形课Problem Description呃......变形课上Harry碰到了一点小麻烦,因为他并不像Hermione那样能够记住所有的咒语而随意的将一个棒球变成刺猬什么的,但是他发现了变形咒语的一个统一规律:如果咒语是以a开头b结尾的一个单词,那么它的作用就恰好... 阅读全文

摘要： PetProblem DescriptionOne day, Lin Ji wake up in the morning and found that his pethamster escaped. He searched in the room but didn... 阅读全文

摘要： Exchange CardsProblem DescriptionAs a basketball fan, Mike is also fond of collecting basketball player cards. But as a student, he can ... 阅读全文

摘要： Fire NetProblem DescriptionSuppose that we have a square city with straight streets. A map of a city is a square board with n rows and... 阅读全文

摘要： I Hate ItProblem Description很多学校流行一种比较的习惯。老师们很喜欢询问，从某某到某某当中，分数最高的是多少。这让很多学生很反感。不管你喜不喜欢，现在需要你做的是，就是按照老师的要求，写一个程序，模拟老师的询问。当然，老师有时候需要更新某位... 阅读全文