1. Problem: How many distinct three-digit numbers can be formed using the digits 1, 2, 3, and 4 without repetition? What are they? Program Analysis: The digits that can fill the hundreds, tens, and units places are 1, 2, 3, and 4. Generate all permutations and then remove those that do not meet the criteria. … Read more
June 2024:Rest Time 01 Source of the question Luogu NetworkB4000 , Xin’ao Open Class Problem Solving Approach 02 1. Time Conversion: Convert the start time’s hours, minutes, and seconds into total seconds. Then add the study seconds <span><span>k</span></span>, resulting in the total seconds for the rest time. 2. Time Restoration: Convert the total seconds back … Read more
Initially, cognitive research aimed to quantify cognitive differences between species. However, researchers now find that not only are there significant cognitive differences between species, but also among individuals within populations. To understand the consistency of these individual differences, cognitive research has begun to integrate with the field of personality.Personality is defined as the behavioral differences … Read more
C Language Exercise Analysis These problem-solving ideas will enlighten you✨ In the world of programming, C language is like a mysterious and challenging mountain. Whether you are a novice stepping into the programming door or a developer who has been swimming in the sea of code for a long time, you will always encounter various … Read more
Python, as a programming language widely used in various fields such as data science, artificial intelligence, and web programming, not only tests programming skills and logical thinking but also challenges innovative thinking and a deep understanding of language features. Challenges in Python Problem-Solving Approaches In practical application scenarios, Python problem-solving approaches face numerous challenges and … Read more
Did everyone absorb yesterday’s direct proposition solving techniques? Continuing with the valuable content, today let’s talk about the “sixth sense” in analogy reasoning. In the judgment reasoning module of the civil service exam, analogy reasoning is a common type of question. Analogy reasoning starts from observing individual phenomena, similar to inductive reasoning, but differs in … Read more
Click the title below to quickly follow <郑永好/> When employee performance is poor, leaders should not complain about the incompetence of employees but should reflect on themselves. The usual mistakes are: 1. Mistake in selecting the wrong people; 2. Mistake in how to lead people; 3. Mistake in not establishing standardized systems, processes, and standards. … Read more
Learn programming with Lao Ma while “leveling up and fighting monsters”! This aims to provide comprehensive learning materials for children to prepare for the level exam together. Add the assistant on WeChat and reply with 【GESP Level 1 2023.03_Chicken and Rabbit】 to get the source code for this problem. GESP Level 1 2023.03_Chicken and Rabbit … Read more
Introduction Imagine you are a technical support representative receiving a customer complaint call, and the customer immediately states, “The device driver I bought simply won’t install! Is there a problem with your product?” What is your first reaction? Do you feel the customer is being unreasonable, or do you feel wronged and want to explain … Read more
Deepseek has emerged, refocusing the world’s attention on the field of AI. In today’s rapidly developing artificial intelligence landscape, how can Desheng better engage with this cutting-edge technology? What “magic” does Desheng’s AI classroom hold? Today, let’s explore the answers from the AI curriculum at Desheng School in Shunde (Elementary Division) — from “Conversational Xiao … Read more