Shawn_Ji

2015年8月7日

摘要：原题：DescriptionBefore the invention of book-printing, it was very hard to make a copy of a book. All the contents had to be re-written by hand by so ca... 阅读全文

posted @ 2015-08-07 19:48 Shawn_Ji 阅读(686) 评论(0) 推荐(0)

POJ2299-Ultra-QuickSort 解题心得

摘要：原题：DescriptionIn this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swappi... 阅读全文

posted @ 2015-08-07 19:45 Shawn_Ji 阅读(202) 评论(0) 推荐(0)

2015年8月2日

hdu 1557 权利指数 ( 二进制枚举子集) 解题心得

摘要：原题：Description在选举问题中，总共有n个小团体，每个小团体拥有一定数量的选票数。如果其中m个小团体的票数和超过总票数的一半，则此组合为“获胜联盟”。n个团体可形成若干个获胜联盟。一个小团体要成为一个“关键加入者”的条件是：在其所在的获胜联盟中，如果缺少了这个小团体的加入，则此联盟不能成为... 阅读全文

posted @ 2015-08-02 20:29 Shawn_Ji 阅读(946) 评论(0) 推荐(1)

UVALive 6661 解题心得

摘要：原题：https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=4673题目大意：求从不超过 N 的正整数当中选取 K 个不同的数字，组成和为 S 的方... 阅读全文

posted @ 2015-08-02 19:27 Shawn_Ji 阅读(133) 评论(0) 推荐(0)

CodeForces 556A 解题心得

摘要：原题：DescriptionAndrewid the Android is a galaxy-famous detective. In his free time he likes to think about strings containing zeros and ones.Once he th... 阅读全文

posted @ 2015-08-02 19:25 Shawn_Ji 阅读(279) 评论(0) 推荐(0)

HDU 5224 解题心得

摘要：原题DescriptionThere is a piece of paper in front of Tom, its length and width are integer. Tom knows the area of this paper, he wants to know the minim... 阅读全文

posted @ 2015-08-02 19:25 Shawn_Ji 阅读(137) 评论(0) 推荐(0)

HDU 2524 矩形A + B 解题心得

摘要：原题:Description给你一个高为n ，宽为m列的网格，计算出这个网格中有多少个矩形，下图为高为2，宽为4的网格.Input第一行输入一个t, 表示有t组数据，然后每行输入n,m,分别表示网格的高和宽 ( n #includeusing namespace std;int f[110][110... 阅读全文

posted @ 2015-08-02 19:23 Shawn_Ji 阅读(149) 评论(0) 推荐(0)

HDU 1799 循环多少次? 解题心得

摘要：原题Description我们知道，在编程中，我们时常需要考虑到时间复杂度，特别是对于循环的部分。例如，如果代码中出现for(i=1;i#includeusing namespace std;int ch[2500][2500];int main(){ int i, j; for (i ... 阅读全文

posted @ 2015-08-02 19:22 Shawn_Ji 阅读(196) 评论(0) 推荐(0)

Codeforces Round #313 (Div. 2) D. Equivalent Strings 解题心得

摘要：原题：DescriptionToday on a lecture about strings Gerald learned a new definition of string equivalency. Two stringsaandbof equal length are calledequiva... 阅读全文

posted @ 2015-08-02 19:21 Shawn_Ji 阅读(205) 评论(0) 推荐(0)

UVA - 524 Prime Ring Problem(dfs回溯法) 解题心得

摘要：原题DescriptionA ring is composed of n (even number) circles as shown in diagram. Put natural numbersinto each circle separately, and the sum of numbers... 阅读全文

posted @ 2015-08-02 19:19 Shawn_Ji 阅读(166) 评论(0) 推荐(0)

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