swift-algorithm-club
swift-algorithms
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swift-algorithm-club | swift-algorithms | |
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11 | 26 | |
28,458 | 5,681 | |
0.4% | 1.4% | |
0.0 | 6.6 | |
6 months ago | 6 days ago | |
Swift | Swift | |
MIT License | Apache License 2.0 |
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swift-algorithm-club
- Do you use algorithms in Swift?
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Book recommendation for data structures and algorithm in swift 5
Data Structures & Algorithms in Swift by Kodeco is not bad, also there is an algorithms club on github (https://github.com/kodecocodes/swift-algorithm-club).
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Please judge my plan to become an IOS Developer. Thank you.
Resources I think i'd use for interview questions and algods in Swift: https://github.com/kodecocodes/swift-algorithm-club
- Idea for graduation project
- I'm a self-taught iOS dev with 3apps in the AppStore but I am still unable to answer these kinds of questions in interviews.
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Fellow iOS devs, what's the worst interview experience you ever had?
You take one month, learn the algorithms (there are in general not that many, even fewer if you only considering the ones that are regularly referenced in interviews), then you'll pass any interview, at least the first phase. swift-algorithm-club is a good starting point.
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Best Way to go about learning Data Structures and Algorithms?
Also you may want to look at this for real world source in Swift. https://github.com/raywenderlich/swift-algorithm-club
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Understanding algorithms
There is the Swift Algorithm Club from Ray Wenderlich.
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Fetch all words from long TXT file
You probably want to populate a Trie. You can find a completed implementation at this link
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I can't code projects without Google
If you need a project to work on, try implementing some algorithms in Swift, each based on a description of how that algorithm works. You can use projects like Swift Algorithm Club for ideas.
swift-algorithms
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-❄️- 2023 Day 11 Solutions -❄️-
While you are correct about the stdlib, check out swift-algorithms (https://github.com/apple/swift-algorithms). It's written by Apple and has several interesting methods.
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Do you use algorithms in Swift?
We used Swift Algorithms once or twice. It just depends on the app. I suggest starting with the WWDC video.
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Checking the largest values in an arrary
Install swift-algorithms and use min/max(count:by:)
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-🎄- 2022 Day 6 Solutions -🎄-
#!/usr/bin/env swift sh import Algorithms // https://github.com/apple/swift-algorithms struct StandardInput: Sequence, IteratorProtocol { func next() -> String? { return readLine() } } func markerEnd(for signal: String, markerLength: Int) -> Int { return Array(signal.windows(ofCount: markerLength)) .firstIndex { Set($0).count == markerLength }! + markerLength } let signals = StandardInput().compactMap { $0 } let part1 = signals.map { markerEnd(for: $0, markerLength: 4)}.reduce(0, +) let part2 = signals.map { markerEnd(for: $0, markerLength: 14)}.reduce(0, +) print("part 1 : \(part1)") print("part 2 : \(part2)")
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-🎄- 2022 Day 5 Solutions -🎄-
#!/usr/bin/env swift sh import Algorithms // https://github.com/apple/swift-algorithms typealias Label = Character typealias Instruction = (amount: Int, source: Int, destination: Int) struct StandardInput: Sequence, IteratorProtocol { func next() -> String? { return readLine(strippingNewline: false) } } let sections = StandardInput() .compactMap { $0 } .split(separator: "\n") .map { Array($0) } let stacks = parseStacks(from: sections[0]) let instructions = parseInstructions(from: sections[1]) print(apply(instructions, to: stacks, oneAtATime: true)) print(apply(instructions, to: stacks, oneAtATime: false)) // MARK: - Private private func parseStacks(from section: [String]) -> [[Label]] { let crates = section.map { let start = $0.index($0.startIndex, offsetBy: 1) return Array($0.suffix(from: start).striding(by: 4)) } let stackCount = crates[0].count var stacks: [[Label]] = Array(repeating: [Label](), count: stackCount) crates.reversed().forEach { for (index, label) in $0.enumerated() { stacks[index].append(label) } } return stacks.map { $0.filter { $0.isLetter } } } private func parseInstructions(from section: [String]) -> [Instruction] { return section.map { let tokens = $0.dropLast().split(separator: " ") return (Int(tokens[1])!, Int(tokens[3])! - 1, Int(tokens[5])! - 1) } } private func apply( _ instructions: [Instruction], to stacks: [[Label]], oneAtATime: Bool ) -> String { var stacks = stacks instructions.forEach { let cargo = Array(stacks[$0.source].suffix($0.amount)) stacks[$0.source] = stacks[$0.source].dropLast($0.amount) stacks[$0.destination].append( contentsOf: oneAtATime ? cargo.reversed() : cargo ) } return String(stacks.map { $0.last! }) }
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-🎄- 2022 Day 3 Solutions -🎄-
Swift. Algorithms contains chunks(ofCount: 3) but I had to write chunks(totalCount:) myself.
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-🎄- 2022 Day 1 Solutions -🎄-
Algorithms has `max(count:)` now. 💻🖥️
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foursum?
Create windows of 4 elements.
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Understanding algorithms
There is also a swift algorithm package that’s a precursor to the standard library if you want to examine legit implementation built into Swift.
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-🎄- 2021 Day 1 Solutions -🎄-
I used Algorithms and took inspiration from Kotlin with it's zipWithNext function.
What are some alternatives?
LeetCode_Swift - Solutions to LeetCode by Swift
v2ray-core - A platform for building proxies to bypass network restrictions.
SwifterSwift - A handy collection of more than 500 native Swift extensions to boost your productivity.
swift-evolution - This maintains proposals for changes and user-visible enhancements to the Swift Programming Language.
BlocksKit
SpringBoot-Labs - 一个涵盖六个专栏:Spring Boot 2.X、Spring Cloud、Spring Cloud Alibaba、Dubbo、分布式消息队列、分布式事务的仓库。希望胖友小手一抖,右上角来个 Star,感恩 1024
MMWormhole - Message passing between iOS apps and extensions.
swift-numerics - Advanced mathematical types and functions for Swift
libextobjc
spring-boot-demo - 🚀一个用来深入学习并实战 Spring Boot 的项目。
DTTableViewManager - Protocol-oriented UITableView management, powered by generics and associated types.
CS-Notes - :books: 技术面试必备基础知识、Leetcode、计算机操作系统、计算机网络、系统设计