Added practical swift

swift/practical/01_mostLikelyTeams/.gitignore

@@ -0,0 +1,8 @@
+.DS_Store
+/.build
+/Packages
+xcuserdata/
+DerivedData/
+.swiftpm/configuration/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc

swift/practical/01_mostLikelyTeams/Package.swift

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+// swift-tools-version: 6.0
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "swift",
+    targets: [
+        // Targets are the basic building blocks of a package, defining a module or a test suite.
+        // Targets can depend on other targets in this package and products from dependencies.
+        .executableTarget(
+            name: "swift"),
+    ]
+)

swift/practical/01_mostLikelyTeams/README.md

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+## Most likely teammates for Software engineering
+In other words, parsing a CSV file and finding the most likely teammates for each person in the file.
+
+
+> [!WARNING]
+> Turns out, this is a pretty hard problem. I will have to think about it a bit more.
+
+

swift/practical/01_mostLikelyTeams/Sources/main.swift

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+
+// https://developer.apple.com/documentation/foundation
+import Foundation
+// Foundation is a framework that provides a base layer of functionality
+// Literally everything in Swift is built on top of Foundation
+// Read the file
+
+/**
+    - Parameters:
+        - file: The file to be read
+    - Returns: The contents of the file as a string
+*/
+func openFile(_ file: String) -> String {
+    var text = ""
+    do {
+        text = try String(contentsOfFile: file, encoding: .utf8)
+    } catch {
+        print("Error reading file")
+    }
+    return text
+}
+
+/**
+    - Parameters:
+        - text: The text to be parsed
+    - Returns: An array of dictoinaries representing the data
+*/
+func parseCSV(_ text: String) -> [[String: String]] {
+    var data = [[String: String]]()
+    let rows = text.components(separatedBy: "\n")
+    let headers = rows[0].components(separatedBy: ",")
+    for row in rows[1...] {
+        let values = row.components(separatedBy: ",")
+        if values.count == headers.count {
+            var dict = [String: String]()
+            for (index, header) in headers.enumerated() {
+                dict[header] = values[index]
+            }
+            data.append(dict)
+        }
+    }
+    return data
+}
+
+// The idea is to pair up the people who have the most in common
+// We have people's preferences (P1-P5, all optional), and we want to find the most likely teammates
+func mostLikelyTeammates(_ people:[[String: String]], _ groupSize: Int) -> [String: Int] {
+    var teammates = [String: Int]()
+    for (index, person) in people.enumerated() {
+        for (index2, person2) in people.enumerated() {
+            if index != index2 {
+                var count = 0
+                for (key, value) in person {
+                    if value == person2[key] {
+                        count += 1
+                    }
+                }
+                let key = "\(people[index]["Name"] ?? "John Doe"), \(people[index2]["Name"] ?? "Stan Smith")"
+                teammates[key] = count
+            }
+        }
+    }
+    return teammates
+
+}
+
+func exportJSON(_ data: [[String: Any]], to file: String) throws {
+    let jsonData = try JSONSerialization.data(withJSONObject: data, options: .prettyPrinted)
+    let fileURL = URL(fileURLWithPath: file)
+    try jsonData.write(to: fileURL)
+    print("Successfully written to \(file)")
+}
+
+
+// No duplicates (i.e. John Doe, Stan Smith is the same as Stan Smith, John Doe)
+var filteredTeammates = mostLikelyTeammates(parseCSV(openFile("data.csv")), 2).filter { $0.value > 0 }
+
+let sortedTeammates = filteredTeammates.filter { $0.value > 0 }.sorted { $0.value > $1.value }
+
+let jsonExportData = sortedTeammates.map { ["pair": $0.key, "count": $0.value] }
+
+do {
+    try exportJSON(jsonExportData, to: "mostLikelyTeammates.json")
+} catch {
+    print("Error exporting JSON: \(error)")
+}

swift/practical/01_mostLikelyTeams/data.csv

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+Name,ID,Email,P1,P2,P3,P4,P5
+David Bacinschi,s5498279,D.Bacinschi@student.rug.nl,1,4,13,10,
+Ioana Badea,s5216184,I.M.Badea@student.rug.nl,13,10,7,4,1
+Tudor Badici,s5546389,T.Badici@student.rug.nl,8,7,1,14,17
+Kealan Barry,s5137578,K.Barry@student.rug.nl,1,16,17,7,4
+Gabriele Berardi,s4878728,G.Berardi@student.rug.nl,19,8,21,3,23
+Sjoerd Blom,s5620856,S.Blom.7@student.rug.nl,16,19,7,23,14
+Marco Boasso,s6230725,M.Boasso@student.rug.nl,2,9,7,8,11
+Virag Bognár,s5492645,V.Bognar@student.rug.nl,6,15,16,14,7
+Matteo Bongiovanni,s5560349,M.Bongiovanni.1@student.rug.nl,6,8,16,17,19
+Milan Boomsma,s4810945,M.Boomsma.3@student.rug.nl,1,7,14,19,16
+Sven Brüning,s5615135,S.Bruning.1@student.rug.nl,,,,,
+Mihnea Burac,s5613418,M.Burac@student.rug.nl,16,17,7,6,8
+Jerome Canard,s5603870,j.j.canard@student.rug.nl,1,6,15,14,8
+Catalin Cândea,s5539439,D.Candea@student.rug.nl,20,15,6,22,19
+Gorkem Çek,s5479185,G.Cek@student.rug.nl,7,19,1,5,11
+Alexandru Cernat,s5190584,A.Cernat.1@student.rug.nl,6,13,2,1,10
+Guru Chelliah,s5557852,G.Chelliah.Nayagam@student.rug.nl,1,6,13,23,9
+Vlad Coicea,s5562465,V.Coicea@student.rug.nl,6,20,16,8,14
+Vlad Cotiga Vladescu,s5580781,V.Cotiga-Vladescu@student.rug.nl,19,16,3,23,15
+Martine Damstra,s5463092,M.D.Damstra@student.rug.nl,1,20,23,14,6
+Guido Danhof,s4421612,G.J.Danhof@student.rug.nl,6,13,9,,
+Alp Darmar,s5069262,A.H.Darmar@student.rug.nl,6,24,9,11,12
+Robert Dascalu,s5223385,R.C.Dascalu.1@student.rug.nl,6,15,16,20,21
+Bo de Vries,s5552796,B.S.de.Vries.1@student.rug.nl,1,9,14,2,20
+Youri de Vrije,s5520452,Y.de.Vrije@student.rug.nl,4,10,14,,
+Maria Diaz Bover,s5581001,M.Diaz.Bover@student.rug.nl,15,6,13,,
+Foppe Dijkstra,s5582202,F.J.Dijkstra.5@student.rug.nl,1,14,4,12,17
+Nemo Ding,s5606276,H.Y.Ding@student.rug.nl,6,19,11,7,20
+Dalia Dinu,s5465761,D.Dinu@student.rug.nl,6,15,16,14,7
+Richard Even,s5226147,R.W.Even@student.rug.nl,8,6,1,16,
+Andrei Foitos,s5233836,A.Foitos@student.rug.nl,10,11,6,3,12
+Adam Fomin,s5559189,A.Fomin@student.rug.nl,,,,,
+Sorana Gavril,s5552672,S.Gavril@student.rug.nl,11,7,8,14,13
+Roman Gazarek,s5599717,R.Gazarek@student.rug.nl,16,1,6,15,17
+Mostafa Ghorbani,s5621321,M.Ghorbani.1@student.rug.nl,6,15,1,7,19
+Andries Gommers,s5517222,A.H.Gommers@student.rug.nl,1,20,16,4,14
+Celia Gutiérrez Otero,s5709377,C.Gutierrez.Otero@student.rug.nl,15,20,16,21,25
+Belen Hidalgo Odria,s5562821,B.Hidalgo.Odria@student.rug.nl,6,15,16,14,7
+Jelger Hulshoff,s5462975,J.H.Hulshoff@student.rug.nl,19,20,8,17,6
+Sabina Iliuta,s5617618,B.Iliuta@student.rug.nl,7,1,8,14,4
+Ana-Maria Izbas,s5575974,A.Izbas@student.rug.nl,11,6,13,7,8
+Ola Janikowska,s5539552,A.Janikowska@student.rug.nl,4,13,8,6,11
+Mechy Janssen,s4314115,M.C.S.Janssen@student.rug.nl,22,14,17,3,16
+Berk Kara,s5558727,J.B.Kara@student.rug.nl,7,19,1,5,11
+Hristo Karagyozov,s4796683,H.Karagyozov@student.rug.nl,3,19,12,14,11
+Boyan Karakostov,s5230837,B.Karakostov@student.rug.nl,3,23,16,5,19
+Alex Kardash,s5541883,A.Kardash@student.rug.nl,10,2,13,4,7
+Ken Kasai,s5498856,K.Kasai@student.rug.nl,19,20,14,17,
+Guneet Khalsa,s6212905,G.S.Khalsa@student.rug.nl,19,20,16,6,1
+Ata Kircadag,s5573289,A.Kircadag@student.rug.nl,20,19,7,1,16
+Corné Koppies,s6069193,C.J.Koppies@student.rug.nl,,,,oh,
+Andrei Lentu,s5508223,A.Lentu@student.rug.nl,7,1,15,2,4
+Nathan Lesman,s5703948,N.Lesman@student.rug.nl,8,5,,21,
+Iustin Lungu,s4787641,I.Lungu.2@student.rug.nl,1,12,16,24,15
+Sergiu Macra,s5524032,S.Macra@student.rug.nl,4,16,9,14,1
+Alexandros Manis,s5550432,A.Manis@student.rug.nl,20,1,7,15,16
+Kieran McGeehan,s5624126,K.A.McGeehan@student.rug.nl,13,22,14,4,21
+Joseph Micallef,s5532388,J.Micallef@student.rug.nl,8,6,15,14,3
+Florian Molanus,s5596327,F.Molanus@student.rug.nl,4,10,7,14,17
+Berke Musellim,s4773179,B.Musellim@student.rug.nl,1,2,6,11,19
+Sepehr Nikshohrat,s5567076,S.Nikshohrat@student.rug.nl,1,17,6,23,19
+Sarlote Odzina,s5584752,S.L.Odzina@student.rug.nl,8,7,6,9,16
+Jort Oosterveld,s5545781,J.J.Oosterveld@student.rug.nl,7,6,19,14,16
+Wilmer Oostindjer,s5602475,W.B.Oostindjer@student.rug.nl,19,20,3,14,8
+Arya Mira Özdemir,s5065038,D.O.Ozdemir@student.rug.nl,6,1,4,10,15
+Mardo Parlayan,s5578566,M.Parlayan@student.rug.nl,,,,,
+Teodor Patache,s4787137,P.T.Patache@student.rug.nl,21,19,24,23,10
+Thijs Periam,s4764919,T.E.W.Periam@student.rug.nl,6,18,15,23,16
+Michal Petruf,s4715160,M.Petruf@student.rug.nl,16,22,19,21,8
+Elena Pîrjolea,s5550084,E.Pirjolea@student.rug.nl,1,6,7,15,10
+Eduard Pliuta,s5161908,E.Pliuta@student.rug.nl,4,6,10,15,7
+Alexandra Popescu,s5177995,A.Popescu.13@student.rug.nl,6,13,4,1,16
+Luca Popescu,s4741544,L.Popescu.1@student.rug.nl,,,,,
+Florin Raceanu,s5575982,F.Raceanu@student.rug.nl,6,7,16,15,11
+Miguel Reyes Suarez,s5497604,M.A.Reyes.Suarez@student.rug.nl,6,15,16,14,7
+Jelte Rijks,s5638437,J.Rijks@student.rug.nl,19,20,6,7,1
+Menno Schipper,s4795369,M.Schipper.6@student.rug.nl,20,19,14,10,7
+Jan Seton,s4762029,J.M.Seton.1@student.rug.nl,15,5,23,18,16
+Majd Shuqeir,s4903838,M.Shuqeir@student.rug.nl,6,7,11,1,23
+Vitalii Sikorski,s5622360,V.Sikorski@student.rug.nl,,,,,
+Arend Spijker,s5619734,A.Spijker@student.rug.nl,1,4,10,14,16
+Jelmer Spoor,s5466598,J.S.Spoor@student.rug.nl,19,20,6,8,23
+Teodora Stanca,s5468124,I.Stanca@student.rug.nl,8,7,1,14,17
+Valentin Stefanescu,s5510341,V.Stefanescu@student.rug.nl,8,7,1,15,6
+Gijs-Izaac Stevens,s5565421,G.O.Stevens@student.rug.nl,,,,,
+Herre Torensma,s5629969,H.D.R.Torensma@student.rug.nl,14,19,1,4,17
+Tudor Trandafir,s5079063,T.Trandafir@student.rug.nl,20,21,,,
+Georgios Tsitlakidis,s6222196,G.Tsitlakidis@student.rug.nl,14,12,20,17,19
+Ioannis Tziantopoulos,s6222218,I.Tziantopoulos@student.rug.nl,13,6,9,3,8
+Cindy Um,s6149707,C.I.Um@student.rug.nl,,,,,
+Alexandru Vallimarescu,s5574552,A.Vallimarescu@student.rug.nl,20,19,16,,7
+Tjalle-Durk van der Eems,s5616816,T.van.der.Eems@student.rug.nl,16,23,18,14,7
+Mark van der Veen,s5054397,M.van.der.Veen.38@student.rug.nl,4,1,6,19,14
+Pepijn van der Zee,s5496284,P.J.van.der.Zee@student.rug.nl,20,19,16,4,1
+Diko van Rosmalen,s5577896,D.van.Rosmalen@student.rug.nl,7,6,19,14,16
+Vlad Vasile,s5217687,V.Vasile.1@student.rug.nl,7,10,2,16,19
+Wietse Verstraete,s3752135,W.Verstraete@student.rug.nl,,,,,
+Thomas Vlonk,s5606985,T.Vlonk@student.rug.nl,6,1,16,8,17
+Maria Voicu,s5585635,M.Voicu.2@student.rug.nl,11,7,8,14,13
+Bianca Vraci,s5532337,B.Vraci@student.rug.nl,11,6,8,15,14
+Oscar Weimann,s5634555,O.L.Weimann@student.rug.nl,16,6,19,15,23
+Ferre Woltjer,s5463130,F.K.Woltjer@student.rug.nl,4,10,14,,
+Sophie Schoerner,s4136594,s.schorner@student.rug.nl,6,5,,,