practical problem physics 253

通过docker安装的jira提示We've detected a potential problem with JIRA's Dashboard configuration that your administrator can correct. Click here to learn more

正常通过docker安装jira后,访问是不会出问题的 但是如果使用nginx代理后,就是在nginx里配置了proxy_pass http://localhost:2800 再访问后,就会报错We've detected a potential problem with JIRA's Dashbo ......

【优先队列】【堆排序实现优先队列】[1054. 距离相等的条形码](https://leetcode.cn/problems/distant-barcodes/)

#### 【优先队列】【堆排序实现优先队列】[1054. 距离相等的条形码](https://leetcode.cn/problems/distant-barcodes/) 在一个仓库里,有一排条形码,其中第 i 个条形码为 barcodes[i]。 请你重新排列这些条形码,使其中任意两个相邻的条形 ......

【大联盟】20230706 Interesting DS Problem(interesting) QOJ2559 【Endless Road】

## 题目描述 [here](https://qoj.ac/problem/2559)。 ## 题解 首先,我们对所有区间离散化,删除一个区间时,我们暴力删除内部还存在的子区间。 如果没有区间包含是好做的,因为我们删除一个子区间时,将区间按照左端点排序,可发现包含这个子区间的区间是连续的一个区间。 ......

文献阅读——A Problem Meta-Data Library for Research in SAT

A Problem Meta-Data Library for Research in SAT •Published: March 15, 2019 Markus Iser and Carsten Sinz Abstract Experimental data and benchmarks play ......
Meta-Data 文献 Research Problem Library

CF1175G Yet Another Partiton Problem

应该是一个很通用的解法。 一个显然的分段 dp: > $f_{j,i}$ 表示前 $i$ 个数分 $j$ 段的方案数,$f_{j,i}\gets \min\limits_{k=0}^{i -1}f_{j-1,k}+w(k+1,i)$。 可以滚动数组,$f_{i}\gets \min\limits_{ ......
Partiton Another Problem 1175G 1175

【每日一题】Problem 538B. Quasi Binary

[原题](https://codeforces.com/problemset/problem/538/B) #### 解决思路 最简单的思路就是贪心了,每次生成不超过目标值的 $quasibinary$,即可使最终数量最少 ```C++ #include int quasibinary(int ma ......
Problem Binary Quasi 538

【每日一题】Problem 1195C. Basketball Exercise

[原题](https://codeforces.com/contest/1195/problem/C) #### 解决思路 设 $dp[i][j]$ 表示第 $i$ 行第 $j$ 列所能去到的最大值,则有 1. 当 $j$ 列取值时 - $dp[0][j]$ = 该列第**一**行的值 + 前一列第 ......
Basketball Exercise Problem 1195

题解 Yet Another Minimization Problem

[Yet Another Minimization Problem](https://www.luogu.com.cn/problem/CF868F) 神仙题。 第一眼看上去就是 DP。 定义 $f_{i,j}$ 表示当前点 $i$,分 $j$ 段的最小费用。 $f_{i,j}= \min(f_{i ......
题解 Minimization Another Problem Yet

[Javascript] How to fix iphone safari auto zoom in problem without `maximum-scale=1.0`

Solution 1: consider change font-size to 16px or above Soution 2: using javascript if(navigator.userAgent.indexOf('iPhone') > -1 ) { document .querySe ......

解决报错Cannot connect to the Maven process. Try again later. If the problem persists, check the Maven

## 故障描述: 使用idea下载java某个源文件,idea报错:Cannot connect to the Maven process. Try again later. If the problem persists, check the Maven ![](https://img2023.c ......
the Maven persists connect process

Mac环境下 罗技 Logi Options+ Backend Connection Problem

m1 芯片Mac Book,安装Logi Options+。打开后一直提示 Backend connection problem - click here to launch backend。报错图片如下 查询后得知,是一个启动程序没有打开。解决方案如下:下载一个App Cleaner & Unin ......
Connection Backend Options Problem 环境

【每日一题】Problem 534B. Covered Path

[原题](https://codeforces.com/problemset/problem/534/B) #### 解决思路 在 section p 节点取 $v1$ 和 $v2$ 都能到达的最大速度即可 ```C++ #include int main() { int v1, v2; std:: ......
Problem Covered Path 534

Configuration problem: Unable to locate Spring NamespaceHandler for XML schema

Exception in thread "main" org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Unable to locate Spring Na ......

AtCoder Beginner Contest 309 Ex Simple Path Counting Problem

[洛谷传送门](https://www.luogu.com.cn/problem/AT_abc309_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc309/tasks/abc309_h "AtCoder 传送门") 挺妙的题。 考虑 ......
Beginner Counting AtCoder Contest Problem

POJ3468 A Simple Problem with Integers

# A Simple Problem with Integers 题目链接:[A Simple Problem with Integers](http://poj.org/problem?id=3468 "A Simple Problem with Integers") ## 题意 给定$N$个数, ......
Integers Problem Simple 3468 with

Luogu CF633B 【A Trivial Problem】题解

一段理解起来特别容易的代码 (目前来看是最短的) ## 思路 由于末尾0的个数就是阶乘中分解出10的个数,也就是分解出2的个数与5的个数中的最小值; 显然5的个数小于2的个数,即找出分解出的5的个数。 **比较容易推出:当 $n$ 为 $5^{k}$ 的倍数时,其阶乘分解出 $5$ 的个数即为 $n ......
题解 Trivial Problem Luogu 633B

anolis 8.8 (CentOS 8) yum update error: Problem 1: package mod_ssl-1:2.4.37-56.0.1.module+an8.8.0+11061+87142f8c.6.x86_64 requires , but none of the providers can be installed

#yum update error message: Problem 1: package mod_ssl-1:2.4.37-56.0.1.module+an8.8.0+11061+87142f8c.6.x86_64 requires httpd = 2.4.37-56.0.1.module+an8 ......
installed providers requires Problem package

【cs50】lab7 & problem set7

(1)lab7 songs sqlite3 songs.db 1)list the names of all songs in the database SELECT name FROM songs; 2)list names of all songs in increasing order of ......
problem lab7 set7 amp lab

L11U3-3 Dealing with flight problems

## 1 Expressions Flight problems Listen to discuss bad news he receives about his flight. has been delayed. mechanical problems. has been canceled due ......
problems Dealing flight with 11

【论文解析】EJOR 2011 A clustering procedure for reducing the number of representative solutions in the Pareto Front of multiobjective optimization problems

> 论文名称:A clustering procedure for reducing the number of representative solutions in the Pareto Front of multiobjective optimization problems ### 动机 假 ......

【每日一题】Problem 522A. Reposts

[原题](https://codeforces.com/problemset/problem/522/A) #### 解决思路 用哈希表存储每个人物的节点长度即可 ```C++ #include int main() { std::map tree; tree["POLYCARP"] = 1; in ......
Problem Reposts 522

创建LVM报错:Can't initialize physical volume "/dev/sdb1" of volume group "myvg" without -ff

问题: 在使用fdisk /dev/sdb 删除原有LVM分区,在接着创建LVM新分区/dev/sdb1。完毕保存之后。 执行pvcreate /dev/sdb1出现报错 Can't initialize physical volume "/dev/sdb1" of volume group "my ......
quot volume initialize physical without

[Algorithm] Two crystal balls problem

You're given two identical crystal balls and a 100-story building. The balls are incredibly tough, but there exists some floor in the building, above ......
Algorithm crystal problem balls Two

LRU 力扣 146 https://leetcode.cn/problems/lru-cache/

一道经典题目,用双向链表去做能够满足O1的复杂度 核心代码如下 class LRUCache { MyLinkedList myLinkedList; int size; int capacity; HashMap<Integer, MyNode> map; public LRUCache(int ......
lru-cache leetcode problems https cache

A*B Problem(High)

###### ~~这高精度真__的难~~ ## 题目描述 给出两个自然数,求它们的乘积。 ## 输入格式 输入共两行,每行一个自然数。 ## 输出格式 输出一个自然数表示乘积。 ## 样例 #1 ### 样例输入 #1 ``` 1 2 ``` ### 样例输出 #1 ``` 2 ``` ## 提示 ......
Problem High

Could not fetch URL https://pypi.org/simple/keras-bert/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443):

pip下载包的时候报错 Could not fetch URL https://pypi.org/simple/keras-bert/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pyp ......

每日一题 力扣 445 https://leetcode.cn/problems/add-two-numbers-ii/

可以直接用栈去做就行,逆序想到栈的做法 然后算完一个就直接赋值给答案数组 我用的是常见 public ListNode addTwoNumbers(ListNode l1, ListNode l2) { int sizeA=0; int sizeB=0; ListNode start=l1; Lis ......

【每日一题】Problem 414B. Mashmokh and ACM

[原题](https://codeforces.com/problemset/problem/414/B) #### 解决思路 1. 先计算 $[1, n]$ 中的约数集合 2. $dp[i][j](i\in [1, n], j\in [1, k])$ 表示第 $j$ 个数放置 $i$ 所拥有的可能 ......
Mashmokh Problem 414 ACM and

【每日一题】Problem 289B. Polo the Penguin and Matrix

[原题](https://codeforces.com/problemset/problem/289/B) #### 解决思路 1. 题目要求将所有元素通过 **+-** 的方式变成同一个元素 $e$,那么就需要找到一个点,计算小于(或大于)$e$ 的所有点所需变化总次数 2. 因此可以将二维数组转 ......
Problem Penguin Matrix Polo 289

【每日一题】Problem 505B. Mr. Kitayuta's Colorful Graph

[原题](https://codeforces.com/contest/505/problem/B) #### 解决思路 考虑到数据量不大($2 \le n \le 100, 2 \le m \le 100, 1 \le a_i \lt b_i \le n, 1 \lt c_i \le m)$),因 ......
Kitayuta Colorful Problem Graph 505