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PAT甲级:1089 Insert or Merge (25分)
PAT甲级: 1089 Insert or Merge (25分) 题干 According to Wikipedia: Insertion sort iterates, consuming one input element each repetition, and growing a sorte ...
分类:其他好文   时间:2020-05-05 00:32:19    阅读次数:62
[状态压缩dp]Leetcode5.02双周赛 每个人戴不同帽子的方案数
当时参加周赛的时候没做出来,后来通过看题解,学习到了状态压缩dp,对于这一题是理解了,但是状态压缩dp运用的还不是特别好。记录一下解题过程。 来源:力扣(LeetCode) 链接:https://leetcode cn.com/problems/number of ways to wear diff ...
分类:其他好文   时间:2020-05-04 15:10:39    阅读次数:98
PHP使用引用实现无限极分类
PHP实现无限极分类 引用 ...
分类:Web程序   时间:2020-05-04 13:03:49    阅读次数:72
leetcode-25双周赛-5387-每个人戴不同帽子的方案数*
题目描述: 方法一:记忆化递归+状态压缩 * from functools import lru_cache class Solution: def numberWays(self, hats: List[List[int]]) -> int: N = len(hats) M = 41 mod = ...
分类:其他好文   时间:2020-05-03 21:35:02    阅读次数:85
Learning of DNS
Headers Lables Each label can be up to 63 characters long, and an entire FQDN(fully qualified domain name) is limited to at most 255 (1 byte) characte ...
分类:其他好文   时间:2020-05-03 14:50:55    阅读次数:63
winform练习-通过遍历Control容器中的对象统一委托事件-楼盘选择器
1.窗体布局如下,一个label标签内容如下,一个btnSave按钮,用于保存,其他九个按钮用于选择楼盘。 2. 按钮存于Control容器中,编写方法遍历容器中的button,通过条件过滤掉不是button的对象以及一个保存按钮,筛选条件就是btnSave中tag所存的“btnSave”值,通过它 ...
分类:Windows程序   时间:2020-05-03 13:07:32    阅读次数:82
POJ1236 Network of Schools(强连通分量)
A number of schools are connected to a computer network. Agreements have been developed among those schools: each school maintains a list of schools t ...
分类:Web程序   时间:2020-05-03 12:23:25    阅读次数:70
1144 The Missing Number (20分)
Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains ...
分类:其他好文   时间:2020-05-02 14:56:53    阅读次数:58
ThreadLocal
一、介绍 /** * This class provides thread-local variables. These variables differ from * their normal counterparts in that each thread that accesses one ( ...
分类:其他好文   时间:2020-05-02 00:12:20    阅读次数:61
数组的打印(3种)及简单调用
数组的定义及打印 1 import java.util.Arrays; 2 3 public class test7 { 4 5 /** 6 * 7 * @param args 8 */ 9 public static void main(String[] args) { 10 int[] arra ...
分类:编程语言   时间:2020-04-30 21:37:29    阅读次数:75
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