lypbendlf - 博客园

2018年8月23日

摘要：转自：https://mp.weixin.qq.com/s/oZVj8lxJH6ZqL4sGCXuxMw The Tower of Babylon（巴比伦塔） Perhaps you have heard of the legend of the Tower of Babylon. Nowadays 阅读全文

posted @ 2018-08-23 21:57 lypbendlf 阅读(296) 评论(0) 推荐(0) 编辑

PAT 1109 Group Photo[仿真][难]

摘要： Formation is very important when taking a group photo. Given the rules of forming K rows with N people as the following: The number of people in each 阅读全文

posted @ 2018-08-23 20:48 lypbendlf 阅读(218) 评论(0) 推荐(0) 编辑

PAT 1060 Are They Equal[难][科学记数法]

摘要： If a machine can save only 3 significant digits, the float numbers 12300 and 12358.9 are considered equal since they are both saved as 0.123×105 wi 阅读全文

posted @ 2018-08-23 16:31 lypbendlf 阅读(205) 评论(0) 推荐(0) 编辑

PAT 1090 Highest Price in Supply Chain[较简单]

摘要： A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）-- everyone involved in moving a product from supplier to customer 阅读全文

posted @ 2018-08-23 11:35 lypbendlf 阅读(154) 评论(0) 推荐(0) 编辑

2018年8月22日

PAT Sum of Number Segments[数学问题][一般]

摘要： Given a sequence of positive numbers, a segment is defined to be a consecutive subsequence. For example, given the sequence { 0.1, 0.2, 0.3, 0.4 }, we 阅读全文

posted @ 2018-08-22 21:48 lypbendlf 阅读(198) 评论(0) 推荐(0) 编辑

知识点2-对二进制的运用

摘要：问题：如何求一个数二进制中的1的个数？转自：https://blog.csdn.net/smile_zhangw/article/details/79532119 1.首先需要明确的是，一个数，可为正可为负，对正数来说，可以使用&1，>>1的操作；但是对于负数来说，负数在内存中存在的是补码，如果阅读全文

posted @ 2018-08-22 20:03 lypbendlf 阅读(247) 评论(0) 推荐(0) 编辑

知识点1-树状数组[带poj Stars作为巩固]

摘要：转自：https://blog.csdn.net/flushhip/article/details/79165701#commentBox 1.首先其中讲到了一个问题，就是如何求一个数的二进制表示的最末位的1. 用这个即可。假设x=5,那么x的二进制就是0101,-x的二进制1011.（负数补码是除阅读全文

posted @ 2018-08-22 18:19 lypbendlf 阅读(186) 评论(0) 推荐(0) 编辑

PAT 1057 Stack [难][树状数组]

摘要： 1057 Stack (30)（30 分） Stack is one of the most fundamental data structures, which is based on the principle of Last In First Out (LIFO). The basic ope 阅读全文

posted @ 2018-08-22 15:52 lypbendlf 阅读(368) 评论(0) 推荐(0) 编辑

PAT 1094 The Largest Generation[bfs][一般]

摘要： A family hierarchy is usually presented by a pedigree tree where all the nodes on the same level belong to the same generation. Your task is to find t 阅读全文

posted @ 2018-08-22 14:06 lypbendlf 阅读(140) 评论(0) 推荐(0) 编辑

2018年8月21日

PAT 1079 Total Sales of Supply Chain[比较]

摘要： A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）-- everyone involved in moving a product from supplier to customer 阅读全文

posted @ 2018-08-21 23:06 lypbendlf 阅读(219) 评论(0) 推荐(0) 编辑

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