operations专题

UVa 11992 Fast Matrix Operations 线段树

UVa 11992 Fast Matrix Operations 题目大意：有一个r行c列的全0矩阵，支持三种操作： 1 x1 y1 x2 y2 v 子矩阵(x1，y1，x2，y2)的所有元素增加v（v > 0）。 2 x1 y1 x2 y2 v 子矩阵(x1，y1，x2，y2)的所有元素设为v（v > 0）。 3 x1 y1 x2 y2 查询子矩阵(x1，y1，x2，y2

tensorflow报错：``ValueError:No op named NonMaxSuppressionV3 in defined operations.``

在tensorflow上测试一个训练好的pb模型时报错： ValueError:No op named NonMaxSuppressionV3 in defined operations. 排查报错原因，最后发现我的pb模型是在tensorflow1.11版本下训练得到的，而加载这个模型的tensorflow版本是1.6，所以需要将原有低版本tf卸载，进行高版本的安装。当然可以直接用pip安装，

OpenCV Lesson 3 : Mask operations on matrices

矩阵上的掩码运算 Mask operations on matrices are quite simple. The idea is that we recalculate each pixel’s value in an image according to a mask matrix (also known as kernel). This mask holds values that wi

swagger报错：No operations defined in spec! 解决方法

No operations defined in spec 问题解决方法问题 swagger2在爆出这个No operations defined in spec! 错误，第一步说明你的swagger的配置是正确的，没有受到拦截器的拦截，项目里面的报出的错误No operations defined in spec! 的原因是包没有扫到。解决方法把需要扫的包指给sw

x11 window-operations

XResizeWindow 实现窗口的移动 int i;/* start shrinking our window in a loop. */for (i=0; i<40; i++) {win_width -= 3;win_height -= 3;XResizeWindow(display, win, win_width, win_height);XFlush(display);usl

Write operations are not allowed in read-only mode错误解决

问题。开启OpenSessionInViewFilter来阻止延迟加载的错误的时候抛出了这个异常：org.springframework.dao.InvalidDataAccessApiUsageException错误但是在我们开启OpenSessionInViewFilter这个过滤器的时候FlushMode就已经被默认设置为了MANUAL！如果FlushMode是MANUAL或NE

Leetcode 3181. Maximum Total Reward Using Operations II

Leetcode 3181. Maximum Total Reward Using Operations II 1. 解题思路2. 代码实现题目链接：3181. Maximum Total Reward Using Operations II 1. 解题思路这一题的话思路上依然还是动态规划的思路，核心的迭代关系式如下： def dp(idx, pre_sum) :if nums[idx

D365 Project Operations

目录 D365包含哪些模块？ D365 Project Operations是什么？ D365 Project Operations优势 D365 Project Operations部署方案总结 D365包含哪些模块？微软的D365是一套功能强大的企业管理解决方案，其中包含了多种模块，用于帮助企业管理他们的销售、客户服务、供应链和财务等方面。这些模块被设计用来提高企

Spring data jpa 自定义SQL语句遇到错误Not supported for DML operations

今天在自定义一个Update语句时运行遇到一个错误，显示Not supported for DML operations 也就是说不支持DML操作。我的UserRepository是继承的PagingAndSortingRepository接口，在看了JPA的文档之后，发现此接口不支持update事务，所以需要在注解上添加@Modifying。原文如下： 3.3.7. Modif

Codeforces Round #197 (Div. 2) D. Xenia and Bit Operations

D. Xenia and Bit Operations time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Xenia the beginner programmer has a sequenc

【C++】string类的使用④（字符串操作String operations || 常量成员Member constants）

🔥个人主页： Forcible Bug Maker 🔥专栏： STL || C++ 目录前言🔥字符串操作（String operations）==c_str====data====get_allocator====copy====find====rfind====find_first_of====find_last_of====find_first_not_of====find_

Leetcode 3137. Minimum Number of Operations to Make Word K-Periodic

Leetcode 3137. Minimum Number of Operations to Make Word K-Periodic 1. 解题思路2. 代码实现题目链接：3137. Minimum Number of Operations to Make Word K-Periodic 1. 解题思路这一题的话我们只需要将原始的字符串按照k个字母为一组进行分组，然后看各自出现的频次即

Leetcode 3122. Minimum Number of Operations to Satisfy Conditions

Leetcode 3122. Minimum Number of Operations to Satisfy Conditions 1. 解题思路2. 代码实现题目链接：3122. Minimum Number of Operations to Satisfy Conditions 1. 解题思路这一题就是一个动态规划的思路，我们只需要对每一列取0到9的情况各自进行一下讨论，然后看和当前

C - Xenia and Bit Operations CodeForces - 339D（线段树位运算）

Xenia the beginner programmer has a sequence a, consisting of 2n non-negative integers: a1, a2, …, a2n. Xenia is currently studying bit operations. To better understand how they work, Xenia decided to

Codeforces C. Boboniu and Bit Operations（按位或者状压）

Boboniu likes bit operations. He wants to play a game with you. Boboniu gives you two sequences of non-negative integers 𝑎1,𝑎2,…,𝑎𝑛 and 𝑏1,𝑏2,…,𝑏𝑚. For each 𝑖 (1≤𝑖≤𝑛), you’re asked to cho

Codeforces Contest 1110 problem C Meaningless Operations——找区间内两个数的与和异或的最大gcd

Can the greatest common divisor and bitwise operations have anything in common? It is time to answer this question. Suppose you are given a positive integer a. You want to choose some integer b from

$Fast Matrix Operations （UVA - 11992，二维线段树 + 简单应用）$