随笔分类 - 初期文章
摘要：题意：倒序输出句子中的单词 代码：
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摘要：Polycarp likes to play with numbers. He takes some integer number xx, writes it down on the board, and then performs with it n−1n−1operations of the t
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摘要：Two-gram is an ordered pair (i.e. string of length two) of capital Latin letters. For example, "AZ", "AA", "ZA" — three distinct two-grams. You are gi
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摘要：CS Course Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 430 Accepted Submission(s): 222 Problem
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摘要：Problem Description A number sequence is defined as follows:f(1) = 1, f(2) = 1, f(n) = (A * f(n - 1) + B * f(n - 2)) mod 7.Given A, B, and n, you are
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摘要：Problem Description Contest time again! How excited it is to see balloons floating around. But to tell you a secret, the judges' favorite time is gues
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摘要：才四月份，上半年的比赛就告一段落了。。 天梯赛混子，三十个人分最低，把队友拖到了国三，蓝桥杯省二滚粗，止步京城，旅游选拔赛成功选为替补二队，啊！ 不过既然已经过去，我们说些乐观的一面，积累了大赛经验是肯定的，明年是肯定要继续的，放弃是不可能放弃的。挨个分析一下这几场比赛的总结： 1.天梯赛。模拟赛的
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摘要：链接：https://www.nowcoder.com/acm/contest/80/B 题目描述 在文某路学车中学高一新生军训中，Jxc正站在太阳下站着军姿，对于这样的酷热的阳光，Jxc 表示非常不爽。 Jxc将天空看做一个n*n的矩阵，此时天上有m朵云，这些云会随机分布在m个不同的位置，同时太阳
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摘要：题目链接：点击打开链接 Magnus decided to play a classic chess game. Though what he saw in his locker shocked him! His favourite chessboard got broken into 4piece
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摘要：7-10 树的遍历（25 分） 给定一棵二叉树的后序遍历和中序遍历，请你输出其层序遍历的序列。这里假设键值都是互不相等的正整数。 输入格式： 输入第一行给出一个正整数N（≤30），是二叉树中结点的个数。第二行给出其后序遍历序列。第三行给出其中序遍历序列。数字间以空格分隔。 输出格式： 在一行中输出该
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摘要：7-9 集合相似度（25 分） 给定两个整数集合，它们的相似度定义为：Nc/Nt×100%。其中Nc是两个集合都有的不相等整数的个数，Nt是两个集合一共有的不相等整数的个数。你的任务就是计算任意一对给定集合的相似度。 输入格式： 输入第一行给出一个正整数N（≤50），是集合的
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摘要：题目链接：点击打开链接 Description The island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has a very poor system of public highways. The Flatop
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摘要：题目链接：点击打开链接 There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on
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摘要：Description Advanced Cargo Movement, Ltd. uses trucks of different types. Some trucks are used for vegetable delivery, other for furniture, or for bri
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摘要：网页链接：点击打开链接 Apart from plush toys, Imp is a huge fan of little yellow birds! To summon birds, Imp needs strong magic. There are n trees in a row on an
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摘要：题目链接：点击打开链接 Problem Description Ignatius最近遇到一个难题,老师交给他很多单词(只有小写字母组成,不会有重复的单词出现),现在老师要他统计出以某个字符串为前缀的单词数量(单词本身也是自己的前缀). Input 输入数据的第一部分是一张单词表,每行一个单词,单词的
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摘要：题目链接：点击打开链接 Imp is in a magic forest, where xorangles grow (wut?) A xorangle of order n is such a non-degenerate triangle, that lengths of its sides a
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摘要：题目链接：点击打开链接 Pushok the dog has been chasing Imp for a few hours already. Fortunately, Imp knows that Pushok is afraid of a robot vacuum cleaner. While
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摘要：Problem Description 给出一个只由小写英文字符a,b,c...y,z组成的字符串S,求S中最长回文串的长度.回文就是正反读都是一样的字符串,如aba, abba等 Input 输入有多组case,不超过120组,每组输入为一行小写英文字符a,b,c...y,z组成的字符串S两组ca
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摘要：Bob is a farmer. He has a large pasture with many sheep. Recently, he has lost some of them due to wolf attacks. He thus decided to place some shepher
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