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【反转开灯问题】Face The Right Way
题目 Farmer John has arranged his N (1 ≤ N ≤ 5,000) cows in a row and many of them are facing forward, like good cows. Some of them are facing backward, ...
分类:其他好文   时间:2020-04-06 09:56:48    阅读次数:80
POJ3276 Face The Right Way (尺取法)
题目描述 Farmer John has arranged his N (1 ≤ N ≤ 5,000) cows in a row and many of them are facing forward, like good cows. Some of them are facing backwar ...
分类:其他好文   时间:2020-04-06 00:23:00    阅读次数:298
[省赛训练(DP)]Course Selection System
题面: There are n courses in the course selection system of Marjar University. The i-th course is described by two values: happiness Hi and credit Ci. I ...
分类:其他好文   时间:2020-04-05 22:35:03    阅读次数:93
Java线程状态
看源码得知: public enum State { /** * Thread state for a thread which has not yet started. */ NEW, /** * Thread state for a runnable thread. A thread in th ...
分类:编程语言   时间:2020-04-05 20:40:38    阅读次数:79
BootStrap 之 CSS全局样式中的表格
不使用BootStrap 之 CSS全局样式中的表格,自己也不定义CSS样式 <table> <caption>学生信息表</caption> <tr> <th>编号</th> <th>姓名</th> <th>性别</th> <th>操作</th> </tr> <tr> <td>1</td> <td ...
分类:Web程序   时间:2020-04-05 10:04:32    阅读次数:97
1137. N-th Tribonacci Number
package LeetCode_1137 /** * 1137. N-th Tribonacci Number * https://leetcode.com/problems/n-th-tribonacci-number/description/ * * The Tribonacci sequen ...
分类:其他好文   时间:2020-04-05 09:52:07    阅读次数:53
读源码学编程之——死循环妙用
现假设有一个整型数组: Integer[] arr = {20, 20, 4, 4, 21, 7}; // 2020年4月4日21时7分 如何用逗号加空格 “, ” 分割数组元素并放置在“[]”中从而获得如下格式的数组元素字符串呢? [20, 20, 4, 4, 21, 7] Show you th ...
分类:其他好文   时间:2020-04-05 00:27:21    阅读次数:70
神奇的口袋(动态规划)
有一个神奇的口袋,总的容积是40,用这个口袋可以变出一些物品,这些物品的总体积必须是40。John现在有n个想要得到的物品,每个物品的体积分别是a 1,a 2……a n。John可以从这些物品中选择一些,如果选出的物体的总体积是40,那么利用这个神奇的口袋,John就可以得到这些物品。现在的问题是, ...
分类:其他好文   时间:2020-04-04 22:58:09    阅读次数:104
Codeforces Round #631 (Div. 2) B. Dreamoon Likes Permutations(排列组合)
The sequence of mm integers is called the permutation if it contains all integers from 11 to mm exactly once. The number mm is called the length of th ...
分类:其他好文   时间:2020-04-04 14:19:57    阅读次数:98
Aaronson 一道思维题
中文题目链接 Recently, Peter saw the equation x0+2x1+4x2+...+2mxm=nx0+2x1+4x2+...+2mxm=n. He wants to find a solution (x0,x1,x2,...,xm)(x0,x1,x2,...,xm) in ...
分类:其他好文   时间:2020-04-04 09:53:21    阅读次数:51
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