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P2986 [USACO10MAR]伟大的奶牛聚集Great Cow Gat…
题目描述 Bessie is planning the annual Great Cow Gathering for cows all across the country and, of course, she would like to choose the most convenient lo ...
分类:其他好文   时间:2018-07-21 22:46:40    阅读次数:194
CF 1005B Delete from the Left 【模拟数组操作/正难则反】
You are given two strings s and t. In a single move, you can choose any of two strings and delete the first (that is, the leftmost) character. After a ...
分类:编程语言   时间:2018-07-21 22:46:26    阅读次数:282
PAT World Cup Betting[非常简单]
With the 2010 FIFA World Cup running, football fans the world over were becoming increasingly excited as the best players from the best teams doing ba ...
分类:其他好文   时间:2018-07-20 12:30:41    阅读次数:163
《Learning.Python》pdf
下载地址: "网盘下载" ""How to Think Like a Computer Scientist"" is an introduction to programming using Python, one of the best languages for beginners. This ...
分类:编程语言   时间:2018-07-19 00:50:32    阅读次数:212
Consecutive Subsequence (DP+map)
You are given an integer array of length nn. You have to choose some subsequence of this array of maximum length such that this subsequence forms a in ...
分类:其他好文   时间:2018-07-16 21:12:15    阅读次数:293
N - Binomial Showdown (组合数学)
Description In how many ways can you choose k elements out of n elements, not taking order into account? Write a program to compute this number. Input ...
分类:其他好文   时间:2018-07-16 11:22:21    阅读次数:206
Luogu P1313 计算系数
思路 在数据范围中已经给出了提示。即保证$N+M = K$ 第一眼就知道要用二项式定理啊 二项式定理 先普及一下二项式定理,其实就是$(x+y)^n$的展开式,形式如下: $$\large{(x+y)^n = {0\choose n}\times x^n+{{1}\choose {n-1}}\tim ...
分类:其他好文   时间:2018-07-15 21:15:47    阅读次数:131
优化网站性能的35条规则
参考: Best Practices for Speeding Up Your Web Site ...
分类:Web程序   时间:2018-07-15 19:31:33    阅读次数:222
POJ2018 Best Cow Fences 二分答案/DP
显然二分答案,然后减去对应的mid,求超过L的最大子段和验证就好了。 当然记录下长度的直接DP也是可以的。 然而二分答案怎么都WA,很好奇为什么 直接输出r反而是能过的。 看了下https://blog.csdn.net/jiangshibiao/article/details/21963437 想 ...
分类:其他好文   时间:2018-07-15 16:10:55    阅读次数:419
ES进阶--02
第11节深度探秘搜索技术_案例实战基于dis_max实现best fields策略进行多字段搜索 课程大纲 1、为帖子数据增加content字段 POST /forum/article/_bulk{ "update": { "_id": "1"} }{ "doc" : {"content" : "i ...
分类:其他好文   时间:2018-07-14 13:01:14    阅读次数:175
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