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committedJun 9, 2024
Merge branch 'develop'
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‎.github/workflows/cmake.yml

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# branches:
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# - main
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# paths:
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# - "cpp-algorithm/**"
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# - 'cpp-algorithm/**'
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# schedule:
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# - cron: "0 0 * * *"
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# - cron: '0 0 * * *'
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workflow_dispatch:
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env:

‎.github/workflows/go.yml

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---
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name: Go Test
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on:
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# push:
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# branches:
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# - main
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# paths:
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# - 'go-algorithm/**'
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# schedule:
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# - cron: '0 0 * * *'
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workflow_dispatch:
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jobs:
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build:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- name: Setup Go
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uses: actions/setup-go@v5
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with:
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go-version: '1.22'
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- name: Test
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working-directory: ${{github.workspace}}/go-algorithm
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run: go test -v ./...

‎.github/workflows/gradle.yml

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# branches:
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# - main
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# paths:
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# - "java-algorithm/**"
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# - 'java-algorithm/**'
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# schedule:
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# - cron: "0 0 * * *"
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# - cron: '0 0 * * *'
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workflow_dispatch:
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jobs:
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- name: Setup JDK
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uses: actions/setup-java@v4
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with:
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distribution: "zulu"
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java-version: "21"
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distribution: 'temurin'
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java-version: '21'
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- name: Setup Gradle
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uses: gradle/gradle-build-action@v3

‎.github/workflows/poetry.yml

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# branches:
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# - main
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# paths:
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# - "python-algorithm/**"
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# - 'python-algorithm/**'
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# schedule:
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# - cron: "0 0 * * *"
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# - cron: '0 0 * * *'
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workflow_dispatch:
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jobs:
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- name: Setup Python
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uses: actions/setup-python@v5
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with:
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python-version: "3.11"
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python-version: '3.12'
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- name: Install dependencies
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working-directory: ${{github.workspace}}/python-algorithm

‎README.md

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<!-- markdownlint-disable MD033 MD036 -->
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![C++ CMake Test](https://github.com/codejsha/algorithm-examples/actions/workflows/cmake.yml/badge.svg) ![Python Poetry Test](https://github.com/codejsha/algorithm-examples/actions/workflows/poetry.yml/badge.svg) ![Java Gradle Test](https://github.com/codejsha/algorithm-examples/actions/workflows/gradle.yml/badge.svg)
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![C++ CMake Test](https://github.com/codejsha/algorithm-examples/actions/workflows/cmake.yml/badge.svg) ![Python Poetry Test](https://github.com/codejsha/algorithm-examples/actions/workflows/poetry.yml/badge.svg) ![Java Gradle Test](https://github.com/codejsha/algorithm-examples/actions/workflows/gradle.yml/badge.svg) ![Go Test](https://github.com/codejsha/algorithm-examples/actions/workflows/go.yml/badge.svg)
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[English](README.md) | [Korean](README_ko-KR.md)
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This repository is an implementation of algorithms, data structures, and problem-solving. These are written in C++, Python, and Java, and each language uses the following test framework: [Google Test](https://google.github.io/googletest/)(C++), [pytest](https://docs.pytest.org/)(Python), [JUnit](https://junit.org/)(Java). Run tests to perform methods/functions on the algorithmic logic.
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This repository is an implementation of algorithms, data structures, and problem-solving. These are written in C++, Python, Java, and Go, and each language uses the following test framework/package: [Google Test](https://google.github.io/googletest/)(C++), [pytest](https://docs.pytest.org/)(Python), [JUnit](https://junit.org/)(Java), [go test](https://pkg.go.dev/cmd/go)(Go). Run tests to perform methods/functions on the algorithmic logic.
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## Project Environments
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- C++ project: C++20 / [CMake](https://cmake.org/) build / [GNU Scientific Library (GSL)](https://www.gnu.org/software/gsl/), [Google Test](https://google.github.io/googletest/), [Google Benchmark](https://github.com/google/benchmark), [fmt](https://github.com/fmtlib/fmt) packages / [vcpkg](https://github.com/microsoft/vcpkg) package manager
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- Python project: Python 3.11 / [Poetry](https://python-poetry.org/) build / [NumPy](https://numpy.org/), [SciPy](https://www.scipy.org/), [NetworkX](https://networkx.org/), [pytest](https://docs.pytest.org/), [pytest-benchmark](https://pytest-benchmark.readthedocs.io/en/latest/) packages
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- Java project: Java 21 / [Gradle](https://gradle.org/) build / [Google Guava](https://github.com/google/guava), [JUnit](https://junit.org/), [Java Microbenchmark Harness (JMH)](https://github.com/openjdk/jmh) libraries
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- Go project: Go 1.22 / Go build / [Testify](https://github.com/stretchr/testify) package
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## Table of Contents
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- Combination: [c++](cpp-algorithm/src/math)(`GenerateCombination`) | Find the number of ways to choose $k$ items from $n$ items.
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- Fast Fourier transform: Fast Fourier transform is a mathematical algorithm that finds the discrete Fourier transform of a set of real numbers.
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- Greatest common divisor (GCD), CLRS#31.2: [python](python-algorithm/algorithm/math), [java](java-algorithm/src/main/java/com/example/algorithm/math) | Find the greatest common divisor of two numbers.
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- Greatest common divisor (GCD), CLRS#31.2: [python](python-algorithm/algorithm/math), [java](java-algorithm/src/main/java/com/example/algorithm/math), [go](go-algorithm/internal/math) | Find the greatest common divisor of two numbers.
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- Integer factorization: [c++](cpp-algorithm/src/math), [java](java-algorithm/src/main/java/com/example/algorithm/math) | Integer factorization is the process of determining which prime numbers divide a given positive integer.
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- Least common multiple (LCM): [python](python-algorithm/algorithm/math), [java](java-algorithm/src/main/java/com/example/algorithm/math) | Find the least common multiple of two numbers.
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- Miller-Rabin primality test, CLRS#31.8: [c++](cpp-algorithm/src/math) | Miller-Rabin primality test is a mathematical algorithm that finds whether a given number is prime.

‎README_ko-KR.md

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<!-- markdownlint-disable MD033 MD036 -->
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![C++ CMake Test](https://github.com/codejsha/algorithm-examples/actions/workflows/cmake.yml/badge.svg) ![Python Poetry Test](https://github.com/codejsha/algorithm-examples/actions/workflows/poetry.yml/badge.svg) ![Java Gradle Test](https://github.com/codejsha/algorithm-examples/actions/workflows/gradle.yml/badge.svg)
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![C++ CMake Test](https://github.com/codejsha/algorithm-examples/actions/workflows/cmake.yml/badge.svg) ![Python Poetry Test](https://github.com/codejsha/algorithm-examples/actions/workflows/poetry.yml/badge.svg) ![Java Gradle Test](https://github.com/codejsha/algorithm-examples/actions/workflows/gradle.yml/badge.svg) ![Go Test](https://github.com/codejsha/algorithm-examples/actions/workflows/go.yml/badge.svg)
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[English](README.md) | [Korean](README_ko-KR.md)
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이 리포지토리는 알고리즘, 데이터 구조, 문제 해결에 대한 구현 예제들로 구성되어 있습니다. 예제들은 C++, Python, Java로 작성되었으며, 각 언어는 다음과 같은 테스트 프레임워크를 사용합니다: [Google Test](https://google.github.io/googletest/)(C++), [pytest](https://docs.pytest.org/)(Python), [JUnit](https://junit.org/)(Java). 테스트를 실행하여 알고리즘 로직에 대한 메서드/함수를 수행합니다.
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이 리포지토리는 알고리즘, 데이터 구조, 문제 해결에 대한 구현 예제들로 구성되어 있다. 예제들은 C++, Python, Java, Go로 작성되었으며, 각 언어는 다음과 같은 테스트 프레임워크/패키지를 사용한다: [Google Test](https://google.github.io/googletest/)(C++), [pytest](https://docs.pytest.org/)(Python), [JUnit](https://junit.org/)(Java), [go test](https://pkg.go.dev/cmd/go)(Go). 테스트를 실행하여 알고리즘 로직에 대한 메서드/함수를 수행한다.
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## Project Environments
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- C++ project: C++20 / [CMake](https://cmake.org/) build / [GNU Scientific Library (GSL)](https://www.gnu.org/software/gsl/), [Google Test](https://google.github.io/googletest/), [Google Benchmark](https://github.com/google/benchmark), [fmt](https://github.com/fmtlib/fmt) packages / [vcpkg](https://github.com/microsoft/vcpkg) package manager
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- Python project: Python 3.11 / [Poetry](https://python-poetry.org/) build / [NumPy](https://numpy.org/), [SciPy](https://www.scipy.org/), [NetworkX](https://networkx.org/), [pytest](https://docs.pytest.org/), [pytest-benchmark](https://pytest-benchmark.readthedocs.io/en/latest/) packages
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- Java project: Java 21 / [Gradle](https://gradle.org/) build / [Guava](https://github.com/google/guava), [JUnit](https://junit.org/), [Java Microbenchmark Harness (JMH)](https://github.com/openjdk/jmh) libraries
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- Go project: Go 1.22 / Go build / [Testify](https://github.com/stretchr/testify) package

‎go-algorithm/.gitignore

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### Go template
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# If you prefer the allow list template instead of the deny list, see community template:
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# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
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#
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# Binaries for programs and plugins
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*.exe
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*.exe~
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*.dll
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*.so
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*.dylib
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# Test binary, built with `go test -c`
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*.test
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# Output of the go coverage tool, specifically when used with LiteIDE
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*.out
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# Dependency directories (remove the comment below to include it)
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# vendor/
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# Go workspace file
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go.work
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### VisualStudioCode template
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.vscode/*
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!.vscode/settings.json
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!.vscode/tasks.json
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!.vscode/launch.json
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!.vscode/extensions.json
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!.vscode/*.code-snippets
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# Local History for Visual Studio Code
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.history/
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# Built Visual Studio Code Extensions
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*.vsix
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### JetBrains template
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# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
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# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
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# User-specific stuff
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.idea/**/workspace.xml
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.idea/**/tasks.xml
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.idea/**/usage.statistics.xml
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.idea/**/dictionaries
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.idea/**/shelf
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# AWS User-specific
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.idea/**/aws.xml
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# Generated files
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.idea/**/contentModel.xml
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# Sensitive or high-churn files
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.idea/**/dataSources/
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.idea/**/dataSources.ids
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.idea/**/dataSources.local.xml
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.idea/**/sqlDataSources.xml
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.idea/**/dynamic.xml
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.idea/**/uiDesigner.xml
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.idea/**/dbnavigator.xml
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# Gradle
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.idea/**/gradle.xml
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.idea/**/libraries
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# Gradle and Maven with auto-import
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# When using Gradle or Maven with auto-import, you should exclude module files,
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# since they will be recreated, and may cause churn. Uncomment if using
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# auto-import.
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# .idea/artifacts
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# .idea/compiler.xml
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# .idea/jarRepositories.xml
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# .idea/modules.xml
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# .idea/*.iml
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# .idea/modules
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# *.iml
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# *.ipr
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# CMake
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cmake-build-*/
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# Mongo Explorer plugin
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.idea/**/mongoSettings.xml
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# File-based project format
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*.iws
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# IntelliJ
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out/
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# mpeltonen/sbt-idea plugin
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.idea_modules/
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# JIRA plugin
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atlassian-ide-plugin.xml
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# Cursive Clojure plugin
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.idea/replstate.xml
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# SonarLint plugin
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.idea/sonarlint/
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# Crashlytics plugin (for Android Studio and IntelliJ)
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com_crashlytics_export_strings.xml
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crashlytics.properties
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crashlytics-build.properties
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fabric.properties
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# Editor-based Rest Client
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.idea/httpRequests
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# Android studio 3.1+ serialized cache file
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.idea/caches/build_file_checksums.ser
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### Others
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.idea/
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.vscode/
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README_link.md

‎go-algorithm/go.mod

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module go-algorithm
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go 1.22.4
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require github.com/stretchr/testify v1.9.0
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require (
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github.com/davecgh/go-spew v1.1.1 // indirect
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github.com/pmezard/go-difflib v1.0.0 // indirect
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gopkg.in/yaml.v3 v3.0.1 // indirect
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)

‎go-algorithm/go.sum

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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
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github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

‎go-algorithm/internal/math/gcd.go

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package math
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// GCD returns the greatest common divisor of a(dividend) and b(divisor).
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func GCD(a int, b int) int {
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for b != 0 {
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a, b = b, a%b
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}
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return a
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}

‎go-algorithm/internal/math/gcd_test.go

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package math
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import (
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"github.com/stretchr/testify/assert"
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"testing"
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)
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func TestGCD(t *testing.T) {
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assert.Equal(t, 12, GCD(24, 36))
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assert.Equal(t, 1, GCD(17, 22))
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assert.Equal(t, 20, GCD(120, 500))
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}

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