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Description 有一天TMK在做一个飞艇环游世界，突然他发现有一个气球匀速沿直线飘过，tmk想起了他飞艇上有一把弓，他打算拿弓去射气球，为了提高射击的准确性，他首先在飞艇上找到一个离气球最近的一个点，然后射击（即使气球在飞船的正上方），现在求某些时刻飞艇上的点和气球的距离最小是多少（这个最小 阅读全文
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" 题目链接 " Problem Description Given a two dimensional array of positive and negative integers, a sub rectangle is any contiguous sub array of size 1 x 阅读全文
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" 题目链接 " Problem Description Davy Jones has captured another ship and is smiling contently under the sun. Today is a good day for him. He will get mor 阅读全文
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本题的要求很简单，就是求N个数字的和。麻烦的是，这些数字是以有理数“分子/分母”的形式给出的，你输出的和也必须是有理数的形式。 输入格式： 输入第一行给出一个正整数N（<! more 输出格式： 输出上述数字和的最简形式 —— 即将结果写成“整数部分 分数部分”，其中分数部分写成“分子/分母”，要求 阅读全文
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" 题目链接 " Problem Description Given two sequences of numbers : a[1], a[2], ...... , a[N], and b[1], b[2], ...... , b[M] (1 <! more Input The first line 阅读全文
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" 题目链接 " Problem Description Ignatius had a nightmare last night. He found himself in a labyrinth with a time bomb on him. The labyrinth has an exit, 阅读全文
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" 题目链接 " Problem Description Kblack loves flags, so he has infinite flags in his pocket. One day, Kblack is given an chessboard and he decides to plan 阅读全文
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" 题目链接 " Problem DescriptionSuppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, eac 阅读全文
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关于IP合法性判断的题目，每个oj上的约束条件不尽相同，我就根据自己做过的题目吧所有的约束条件汇总到一块，到时候做题时只需要把多余的越是条件删掉即可 题目描述： 对于IP我们总会有一定的规定，合法的IP必须的满足我们给定的条件，先在我们对IP的合法性做出以下的规定。 1.IP中必须有四个数字，三个' 阅读全文
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" 题目链接 " Problem Description The magician shuffles a small pack of cards, holds it face down and performs the following procedure: 1.The top card is m 阅读全文