Programmer Think

After's algorithm book is left in a maze called AIJ. This maze has N*M rooms, the entrance of the maze is (1, 1), and the algorithm book is left in (r, c). The rooms in the maze have four states: empty rooms, inaccessible rooms, rooms with Mephisto and rooms with Lilith. Mephisto will deny everything, and Lilith will tempt people to do an activ ...

1. Steps in the training module Training modules are generally saved in train Py, which generally includes the following steps: Import various modules (standard library, third-party library, CV, torch, torch vision), if in model Py (self defined network model file), loss Py (custom loss function), utils Py (various customized methods), config ...

📖 Content of this article: Leetcode daily question 564 Difficult string splicing to find the number of recent palindromes \ special example input extended thinking 📑 Article column: leetcode daily question "punch in daily" 📆 Last updated: February 28, 2022 leetcode daily question 6 Z-shaped transformation simple string simulati ...

70. Hierarchical traversal of binary tree II Give a binary tree and return its node values to traverse from bottom to top (traverse from the layer where the leaf node is located to the layer where the root node is located, and then traverse from left to right layer by layer) bfs can do bugfree. from typing import ( List, ) from lin ...

This way Meaning: Give you an array a with length n. at the beginning, the color of all positions is 1 and the value is 0 There are three operations at a time: Color l r x: change the color of all positions in [l,r] to X Add c: add c to the values of all positions with color c Q: what is the value of Query i. Solution: This feeling is stil ...

Task1 understand the game questions I learning syllabus ● overview of competition questions ● data overview ● prediction index ● analyze competition questions II Learning content 1. Overview of competition questions The competition requires contestants to establish models and predict financial risks according to the given data set. (1) Th ...

I think it's easy to give up a ballad, but it must be cool to stick to it 1 Preface This paper is based on my own work experience. If there is any unreasonability, please spit out 2 Definition Background management system what to add to a page deletion check is a bit similar, do not redefine 3First contact with background management syst ...

✨ preface ✨ 📘 Blog home page: to Keep blog home page 🙆 Welcome to pay attention, 👍 give the thumbs-up, 📝 Message comments ⏳ Starting time: March 1, 2022 📨 Blogger code cloud address: Blogger code cloud address 📕 Reference book: java core technology Volume 1 📢 Programming exercises: Niuke network+Force buckle net As the blogger i ...

1. Data operation In PyTorch, torch Tensor is the main tool for storing and transforming data. If you have used NumPy before, you will find that tensor and NumPy's multidimensional arrays are very similar. However, tensor provides more functions such as GPU calculation and automatic gradient calculation, which makes tensor more suitable fo ...

original text https://lwebapp.com/zh/post/l...problemChild A is playing A message passing game with his friends. The rules of the game are as follows:There are n players. All players are numbered 0 ~ n-1 respectively, of which the number of child A is 0Each player has A fixed number of other players who can transmit information (or not). The re ...