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摘要： DescriptionYou are given a car odometer which displays the miles traveled as an integer. The odometer has a defect, however: it proceeds from the digi... 阅读全文

摘要： DescriptionSome positive integers can be represented by a sum of one or more consecutive prime numbers. How many such representations does a given pos... 阅读全文

摘要： 在看《Linux多线程服务端编程：使用muduo C++网络库》 的时候，在说到如何防止在将对象的 this 指针作为返回值返回给了调用者时可能会造成的 core dump。需使用enable_share_from_this。 首先要说明的一个问题是如何安全地将 this 指针返回给调用者。一般来... 阅读全文

摘要： 在mac10.10上使用octave的时候，键入 plot(x, y)的时候会出现如下错误：set terminal aqua enhanced title "Figure 1" font "*,6" dashlength 1 ^ line 0: unknown or ambiguous ter... 阅读全文

摘要： DescriptionOne very simple type of solitaire game known as "Hit or Miss" (also known as "Frustration," "Harvest," "Roll-Call," "Talkative", and "Treiz... 阅读全文

摘要： /* 动态规划和分治法相似，都是通过组合子问题的解来求解原问题。 但分治法是将问题划分为互不相交的子问题，递归地求解子问题，再将它们的解组合起来，求出原问题的解。与之相反，动态规划应用于子问题重叠的情况，即不同的子问题具有公共的子问题。在这种情况下，分治法会做很多不必要的工作。 动态规划... 阅读全文

摘要： /*------------------ 求解最大子数组问题 --------------- 最大子数组，就是求解一个数组的所有元素的各种组合中，和最大的那个子数组。在这种情况下，如果元素值全部非负，那么最大子数组当然是所有元素。但是如果有负值的元素存在，那么久需要找到一个由数组中连续几个... 阅读全文

摘要： Time Limit: 1sec Memory Limit:32MBDescriptionJohn is moving to the penthouse of a tall sky-scraper. He packed all his stuff in boxes and drove them t... 阅读全文

摘要： DescriptionJill has been investing in a mutual fund for a while. Since her income has varied, the amount of money she has added to the investment has ... 阅读全文

摘要： DescriptionIn the field of computer science, forest is important and deeply researched , it is a model for many data structures . Now it’s your job he... 阅读全文