/Codility

Primary LanguageRuby

Codility

No 問題 提出結果 備考
L1 BinaryGap https://app.codility.com/demo/results/training88Q34V-NNW/
L2 CyclicRotation https://app.codility.com/demo/results/trainingM5ES68-PWZ/
L2 OddOccurrencesInArray https://app.codility.com/demo/results/trainingATJWEQ-PNK/ 配列でなくhash
L3 FrogJmp https://app.codility.com/demo/results/trainingF3CAMT-S6A/
L3 PermMissingElem https://app.codility.com/demo/results/trainingWV23KH-FG7/
L3 TapeEquilibrium https://app.codility.com/demo/results/training66J6QU-R7Q/
L4 FrogRiverOne https://app.codility.com/demo/results/trainingQAMTK3-F8F/
L4 PermCheck https://app.codility.com/demo/results/training774HH2-PRM/
L5 PassingCars https://app.codility.com/demo/results/trainingC2GUZC-CKE/
L6 Distinct https://app.codility.com/demo/results/trainingMKHYTW-VAB/
L6 MaxProductOfThree https://app.codility.com/demo/results/trainingXVZTSK-WJR/ ひっかけ問題
L6 Triangle https://app.codility.com/demo/results/trainingEGU3QA-ASD/
L7 Brackets https://app.codility.com/demo/results/trainingGFUYXZ-JX9/
L7 Fish https://app.codility.com/demo/results/trainingUUTFKJ-CT6/
L7 Nesting https://app.codility.com/demo/results/trainingCCZ37J-BHQ/
L7 StoneWall https://app.codility.com/demo/results/trainingS74P3E-E3H/
L8 Dominator https://app.codility.com/demo/results/training72UST5-5BU/ 配列を返すのではなく、配列の要素のどれか
L8 EquiLeader https://app.codility.com/demo/results/trainingTYY5DD-2V3/
L9 MaxProfit https://app.codility.com/demo/results/training9KBV2V-MM6/
L9 MaxSliceSum https://app.codility.com/demo/results/trainingWE37BA-BY7/ DP使用
L10 CountFactors https://app.codility.com/demo/results/trainingYV6XAX-3Q2/
L10 MinPerimeterRectangle https://app.codility.com/demo/results/trainingZATKX7-FBW/
L12 ChocolateByNumbers https://app.codility.com/demo/results/training59KUJZ-QK3/
L15 AbsDistinct https://app.codility.com/demo/results/trainingDKGKK8-7GV/
L15 CountDistinctSlices https://app.codility.com/demo/results/trainingV3W25D-96G/ Easyでない
L15 CountTriangles https://app.codility.com/demo/results/trainingFK9W7Q-9Q3/ sortと三角形の条件だけてはだめ
L16 MaxNonoverlappingSegments https://app.codility.com/demo/results/trainingN62NNF-ZKR/
L16 TieRopes https://app.codility.com/demo/results/trainingK8QF7H-AWV/ 例と問題文あっているのか？
E4 FirstUnique https://app.codility.com/demo/results/trainingN3RB73-M7N/

参考

https://zenn.dev/paraches/articles/codility_lesson_1_4

https://zenn.dev/paraches/articles/codility_lesson_5_8

https://zenn.dev/paraches/articles/codility_lesson_9_16

Lesson 4: MaxProductOfThree

https://codility-lessons-jp.blogspot.com/2014/07/lesson-4-maxproductofthree.html

Lesson 7: Brackets

ruby

hashのkeyに文字列を使うときは、to_symを使う

irb(main):001:0> human = {name: "pikawaka", age: 25}
=> {:name=>"pikawaka", :age=>25}
irb(main):002:0> human["name"]
=> nil
irb(main):003:0> human["name".to_sym]
=> "pikawaka"
irb(main):004:0>