Showing 1768 open source projects for "problem a"

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  • 1
    LeetCode Animation

    LeetCode Animation

    Demonstrate all the questions on LeetCode in the form of animation

    ...The goal of the project is to help learners understand complex algorithmic concepts intuitively by showing step-by-step animated explanations instead of relying solely on static code or text. Each animation corresponds to a specific problem and illustrates how data structures and algorithms operate dynamically, making it easier to grasp their underlying logic. The project also includes a curated set of 40 problems from the “Sword Pointing to Offer” series—commonly asked in technical interviews—accompanied by detailed analyses and visual breakdowns. These materials are designed for both beginners starting their algorithm journey and experienced developers seeking to reinforce their understanding. ...
    Downloads: 4 This Week
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  • 2
    Coluna.jl

    Coluna.jl

    Branch-and-Price-and-Cut in Julia

    Coluna is a branch-and-price-and-cut framework written in Julia. You write an original MIP that models your problem using the JuMP modeling language and our specific extension BlockDecomposition offers a syntax to specify the problem decomposition. Then, Coluna reformulates the original MIP and optimizes the reformulation using the algorithms you choose. Coluna aims to be very modular and tweakable so that you can define the behavior of your customized branch-and-price-and-cut algorithm.
    Downloads: 0 This Week
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  • 3
    colleague-skill

    colleague-skill

    Transform a cold separation into a warm Skill

    colleague-skill is a specialized agent skill designed to simulate a collaborative teammate within AI-driven workflows, enabling agents to behave more like human colleagues in problem-solving scenarios. The project focuses on enhancing interaction quality by introducing role-based behavior, contextual awareness, and cooperative task execution. It allows agents to provide suggestions, feedback, and alternative approaches, mimicking real-world collaboration dynamics. The system likely integrates with broader agent frameworks, enabling seamless inclusion in multi-agent environments. ...
    Downloads: 1 This Week
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  • 4
    CSS Exercises
    ...The structure supports incremental learning, allowing you to test your understanding, compare against expected outcomes, and iterate until styles match the intended result. While solutions exist, the guidance emphasizes problem solving with docs, search, and experimentation before peeking, cultivating independent debugging skills and confidence with CSS.
    Downloads: 1 This Week
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  • 5
    Laravel CSP

    Laravel CSP

    Set content security policy headers in a Laravel app

    ...Setting Content Security Policy headers helps solve this problem. These headers dictate which sites your site is allowed to contact. This package makes it easy for you to set the right headers.
    Downloads: 1 This Week
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  • 6
    DiffEqBayes.jl

    DiffEqBayes.jl

    Extension functionality which uses Stan.jl, DynamicHMC.jl

    This repository is a set of extension functionality for estimating the parameters of differential equations using Bayesian methods. It allows the choice of using CmdStan.jl, Turing.jl, DynamicHMC.jl and ApproxBayes.jl to perform a Bayesian estimation of a differential equation problem specified via the DifferentialEquations.jl interface.
    Downloads: 5 This Week
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  • 7
    huihut interview

    huihut interview

    A summary of C/C++ technical interview basics

    ...The repo is designed so learners can practice real interview scenarios, compare approaches, and internalize foundational concepts that are frequently tested by tech companies. Many entries include both the problem statement and one or more reference implementations, offering insights into time/space complexity and tradeoffs between competing strategies. It’s organized to be approachable whether you’re a student preparing for your first internship or an experienced engineer brushing up on fundamentals before a big interview round.
    Downloads: 1 This Week
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  • 8
    LeetCode Master

    LeetCode Master

    About "Code Thoughts" LeetCode Practice Guide: 200 classic questions

    ...The project is continuously updated and widely used by learners as both a reference and a roadmap to progress from beginner to advanced LeetCode practice. With its thorough coverage and educational style, leetcode-master helps programmers build strong problem-solving skills and confidence for competitive programming.
    Downloads: 1 This Week
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  • 9
    TeXtidote

    TeXtidote

    Spelling, grammar and style checking on LaTeX documents

    ...Since LaTeX documents contain special commands and keywords (the so-called "markup") that are not part of the "real" text, you cannot run a grammar checker directly on these files: it cannot tell the difference between markup and text. The other option is to remove all this markup, leaving only the "clear" text; however, when a grammar tool points to a problem at a specific line in this clear text, it becomes hard to retrace that location in the original LaTeX file. TeXtidote solves this problem; it can read your original LaTeX file and perform various sanity checks on it: for example, making sure that every figure is referenced in the text, enforcing the correct capitalization of titles, etc. ...
    Downloads: 2 This Week
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  • 10
    Yahoo! Finance market data downloader

    Yahoo! Finance market data downloader

    Yahoo! Finance market data downloader

    Ever since Yahoo! finance decommissioned their historical data API, many programs that relied on it to stop working. yfinance aims to solve this problem by offering a reliable, threaded, and Pythonic way to download historical market data from Yahoo! finance. yfinance aimed to offer a temporary fix to the problem by scraping the data from Yahoo! Finance and returning a the data in the same format as pandas_datareader's get_data_yahoo(), thus keeping the code changes in existing software to a minimum. ...
    Downloads: 2 This Week
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  • 11
    jsPDF

    jsPDF

    HTML5 client solution for generating PDFs

    ...Perfect for event tickets, reports, certificates, you name it! PDFs are ubiquitous across the web, with virtually every enterprise relying on them to share documents. We created jsPDF to solve a major problem with how pdf files were being generated. We decided to make it open-source to allow a community of developers to expand on it.
    Downloads: 18 This Week
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  • 12
    go-fastdfs

    go-fastdfs

    Go-fastdfs is a simple distributed file system

    Provide users with the simplest, reliable and efficient distributed file system. There are many open source distributed files and powerful functions. Solve the complex problems of software architecture. Solve the problem of deployment and maintenance of Yunwei. Solve the complex problem of use. go-fastdfs is a distributed file system based on the http protocol. It is based on the design concept of avenue to simplicity. Everything is simple to design, making its operation and expansion easier. It has high performance, high reliability, no center, and no maintenance. ...
    Downloads: 0 This Week
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  • 13
    A collection of LaTeX-styles used for generating diagrams of chess problems.
    Downloads: 0 This Week
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  • 14

    Chess Problem Editor

    Edit diagram.sty LaTeX diagrams

    A Python application to edit LaTeX files containing chess problems - using the chess-problem-diagrams LaTeX-package.
    Downloads: 0 This Week
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  • 15
    pytudes

    pytudes

    Python programs, usually short, of considerable difficulty

    ...The repository includes readable solutions, experiments, notebooks, and scripts that cover algorithms, puzzles, probability, search, language processing, simulation, and mathematical reasoning. It is useful for programmers who want to study elegant Python code while learning how experienced developers approach problem solving. Many examples emphasize clarity and compactness rather than framework-heavy engineering. pytudes is best understood as a learning library, a coding style reference, and a set of practical programming studies.
    Downloads: 0 This Week
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  • 16
    pua

    pua

    Your AI has been placed on a PIP. 30 days to show improvement

    ...The project frames the AI as an underperforming senior engineer under evaluation, introducing a strong motivational and behavioral prompt layer that encourages proactive problem-solving and initiative. Rather than adding new technical capabilities, PUA focuses on shaping how the AI approaches tasks, pushing it toward more assertive, autonomous, and results-driven outputs. It is designed to influence decision-making patterns, encouraging the AI to take ownership of tasks, iterate aggressively, and prioritize delivering meaningful outcomes within constrained timeframes.
    Downloads: 0 This Week
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  • 17
    Inspector

    Inspector

    Code Execution Monitoring foe Laravel applications

    ...You can immediately understand which statement can be optimized to make your application more efficient, and your customers happy. Get detailed insights to identify and fix slow-performing queries and other critical tasks immediately before they become a problem. Be informed of unpredictable errors in real-time. You can save hours or even days to identify a problem and design the appropriate solution.
    Downloads: 0 This Week
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  • 18
    Downloads: 0 This Week
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  • 19
    TinyTeX releases

    TinyTeX releases

    Windows/macOS/Linux binaries and installation methods of TinyTeX

    A lightweight, cross-platform, portable, and easy-to-maintain LaTeX distribution based on TeX Live. TinyTeX is a custom LaTeX distribution based on TeX Live that is small in size but functions well in most cases, especially for R users. If you run into the problem of missing LaTeX packages, it should be super clear to you what you need to do (in fact, R users won’t need to do anything). You only install LaTeX packages you actually need. Currently, TinyTeX works best for R users. Other users can use it, too, it is just that missing LaTeX packages won’t be automatically installed, and you need to install them manually. ...
    Downloads: 134 This Week
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  • 20
    Reflexion

    Reflexion

    Reflexion: Language Agents with Verbal Reinforcement Learning

    Reflexion is a research-oriented AI framework that focuses on improving the reasoning and problem-solving capabilities of language model agents through iterative self-reflection and feedback loops. Instead of relying solely on a single-pass response, Reflexion enables agents to evaluate their own outputs, identify errors, and refine their reasoning over multiple iterations, leading to more accurate and reliable results. The framework introduces a mechanism where agents maintain a memory of past attempts and use that memory to guide future decisions, effectively simulating a learning process without requiring traditional model retraining. ...
    Downloads: 0 This Week
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  • 21
    Hypermind

    Hypermind

    The high-availability solution to a problem that doesn't exist

    Hypermind is a whimsical yet technically intriguing decentralized application that combines a peer-to-peer (P2P) network counter with ephemeral chat functionality, built to “solve” the meta-problem of tracking how many peers are running its container in a decentralized mesh. There’s no central server or database; instead, Hypermind leverages a Distributed Hash Table (DHT) using Hyperswarm to discover peers and maintain approximate counts of active nodes, architected to be a fully decentralized service. Alongside counting nodes, the project also supports ephemeral chat over its mesh network, allowing users to send messages directly to local peers or broadcast via a gossip protocol without storing chat history. ...
    Downloads: 0 This Week
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  • 22
    Nevergrad

    Nevergrad

    A Python toolbox for performing gradient-free optimization

    ...It targets hyperparameter search, architecture search, control problems, and experimental tuning—domains in which gradient-based methods may fail or be inapplicable. The library provides an easy interface to define an optimization problem (parameter space, loss function, budget) and then experiment with multiple strategies—evolutionary algorithms, Bayesian optimization, bandit methods, genetic algorithms, etc. Nevergrad supports parallelization, budget scheduling, and multiple cost/resource constraints, allowing it to scale to nontrivial optimization problems. It includes visualization tools and diagnostic metrics to compare strategy performance, track parameter evolution, and detect stagnation.
    Downloads: 0 This Week
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  • 23
    Administrate

    Administrate

    A Rails engine that helps you put together an admin dashboard

    ...Administrate's admin dashboards give non-technical users clean interfaces that allow them to create, edit, search, and delete records for any model in the application. Administrate solves the same problem as Rails Admin and ActiveAdmin, but aims to provide a better user experience for site admins, and to be easier for developers to customize. To accomplish these goals, Administrate follows a few guiding principles, such as support the simplest use cases, and let the user override defaults with standard tools such as plain Rails controllers and views, and break up the library into core components and plugins, so each component stays small and easy to maintain.
    Downloads: 0 This Week
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  • 24
    Laravel Doctrine ORM

    Laravel Doctrine ORM

    A drop-in Doctrine ORM 2 implementation for Laravel 5+

    ...It uses the Data Mapper pattern at the heart, aiming for a complete separation of your domain/business logic from the persistence in a relational database management system. The benefit of Doctrine for the programmer is the ability to focus on object-oriented business logic and worry about persistence only as a secondary problem. This doesn’t mean persistence is downplayed by Doctrine 2, however, it is our belief that there are considerable benefits for object-oriented programming if persistence and entities are kept separated.
    Downloads: 17 This Week
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  • 25
    Brotli

    Brotli

    Brotli compression format

    Version 1.0.9 contains a fix to "integer overflow" problem. This happens when "one-shot" decoding API is used (or input chunk for streaming API is not limited), input size (chunk size) is larger than 2GiB, and input contains uncompressed blocks. After the overflow happens, memcpy is invoked with a gigantic num value, that will likely cause the crash. Brotli is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm, Huffman coding and 2nd order context modeling, with a compression ratio comparable to the best currently available general-purpose compression methods. ...
    Downloads: 44 This Week
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