8000 swift-algorithm-club/Fizz Buzz at Permutations · jerrytdev/swift-algorithm-club · GitHub
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{"payload":{"allShortcutsEnabled":false,"path":"Fizz Buzz","repo":{"id":169615200,"defaultBranch":"master","name":"swift-algorithm-club","ownerLogin":"jerrytdev","currentUserCanPush":false,"isFork":true,"isEmpty":false,"createdAt":"2019-02-07T17:48:35.000Z","ownerAvatar":"https://avatars.githubusercontent.com/u/3459767?v=4","public":true,"private":false,"isOrgOwned":false},"currentUser":null,"refInfo":{"name":"Permutations","listCacheKey":"v0:1615655657.482121","canEdit":false,"refType":"branch","currentOid":"3f409c5bcc966326b951a13e3a7ba1f81ab72871"},"tree":{"items":[{"name":"FizzBuzz.playground","path":"Fizz Buzz/FizzBuzz.playground","contentType":"directory"},{"name":"FizzBuzz.swift","path":"Fizz Buzz/FizzBuzz.swift","contentType":"file"},{"name":"README.markdown","path":"Fizz Buzz/README.markdown","contentType":"file"}],"templateDirectorySuggestionUrl":null,"readme":{"displayName":"README.markdown","richText":"\u003carticle class=\"markdown-body entry-content container-lg\" itemprop=\"text\"\u003e\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch1 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eFizz Buzz\u003c/h1\u003e\u003ca id=\"user-content-fizz-buzz\" class=\"anchor\" aria-label=\"Permalink: Fizz Buzz\" href=\"#fizz-buzz\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eFizz buzz is a group word game for children to teach them about division. Players take turns to count incrementally, replacing any number divisible by three with the word \"fizz\", and any number divisible by five with the word \"buzz\".\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eFizz buzz has been used as an interview screening device for computer programmers.\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch2 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eExample\u003c/h2\u003e\u003ca id=\"user-content-example\" class=\"anchor\" aria-label=\"Permalink: Example\" href=\"#example\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eA typical round of fizz buzz:\u003c/p\u003e\n\u003cp dir=\"auto\"\u003e\u003ccode\u003e1\u003c/code\u003e, \u003ccode\u003e2\u003c/code\u003e, \u003ccode\u003eFizz\u003c/code\u003e, \u003ccode\u003e4\u003c/code\u003e, \u003ccode\u003eBuzz\u003c/code\u003e, \u003ccode\u003eFizz\u003c/code\u003e, \u003ccode\u003e7\u003c/code\u003e, \u003ccode\u003e8\u003c/code\u003e, \u003ccode\u003eFizz\u003c/code\u003e, \u003ccode\u003eBuzz\u003c/code\u003e, \u003ccode\u003e11\u003c/code\u003e, \u003ccode\u003eFizz\u003c/code\u003e, \u003ccode\u003e13\u003c/code\u003e, \u003ccode\u003e14\u003c/code\u003e, \u003ccode\u003eFizz Buzz\u003c/code\u003e, \u003ccode\u003e16\u003c/code\u003e, \u003ccode\u003e17\u003c/code\u003e, \u003ccode\u003eFizz\u003c/code\u003e, \u003ccode\u003e19\u003c/code\u003e, \u003ccode\u003eBuzz\u003c/code\u003e, \u003ccode\u003eFizz\u003c/code\u003e, \u003ccode\u003e22\u003c/code\u003e, \u003ccode\u003e23\u003c/code\u003e, \u003ccode\u003eFizz\u003c/code\u003e, \u003ccode\u003eBuzz\u003c/code\u003e, \u003ccode\u003e26\u003c/code\u003e, \u003ccode\u003eFizz\u003c/code\u003e, \u003ccode\u003e28\u003c/code\u003e, \u003ccode\u003e29\u003c/code\u003e, \u003ccode\u003eFizz Buzz\u003c/code\u003e, \u003ccode\u003e31\u003c/code\u003e, \u003ccode\u003e32\u003c/code\u003e, \u003ccode\u003eFizz\u003c/code\u003e, \u003ccode\u003e34\u003c/code\u003e, \u003ccode\u003eBuzz\u003c/code\u003e, \u003ccode\u003eFizz\u003c/code\u003e, ...\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch2 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eModulus Operator\u003c/h2\u003e\u003ca id=\"user-content-modulus-operator\" class=\"anchor\" aria-label=\"Permalink: Modulus Operator\" href=\"#modulus-operator\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe modulus operator \u003ccode\u003e%\u003c/code\u003e is the key to solving fizz buzz.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eThe modulus operator returns the remainder after an integer division. Here is an example of the modulus operator:\u003c/p\u003e\n\u003cmarkdown-accessiblity-table\u003e\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDivision\u003c/th\u003e\n\u003cth\u003eDivision Result\u003c/th\u003e\n\u003cth\u003eModulus\u003c/th\u003e\n\u003cth align=\"right\"\u003eModulus Result\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 / 3\u003c/td\u003e\n\u003ctd\u003e0 with a remainder of 3\u003c/td\u003e\n\u003ctd\u003e1 % 3\u003c/td\u003e\n\u003ctd align=\"right\"\u003e1\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 / 3\u003c/td\u003e\n\u003ctd\u003e1 with a remainder of 2\u003c/td\u003e\n\u003ctd\u003e5 % 3\u003c/td\u003e\n\u003ctd align=\"right\"\u003e2\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 / 3\u003c/td\u003e\n\u003ctd\u003e5 with a remainder of 1\u003c/td\u003e\n\u003ctd\u003e16 % 3\u003c/td\u003e\n\u003ctd align=\"right\"\u003e1\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\u003c/markdown-accessiblity-table\u003e\n\u003cp dir=\"auto\"\u003eA common approach to determine if a number is even or odd is to use the modulus operator:\u003c/p\u003e\n\u003cmarkdown-accessiblity-table\u003e\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModulus\u003c/th\u003e\n\u003cth align=\"right\"\u003eResult\u003c/th\u003e\n\u003cth\u003eSwift Code\u003c/th\u003e\n\u003cth align=\"right\"\u003eSwift Code Result\u003c/th\u003e\n\u003cth\u003eComment\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e6 % 2\u003c/td\u003e\n\u003ctd align=\"right\"\u003e0\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003elet isEven = (number % 2 == 0)\u003c/code\u003e\u003c/td\u003e\n\u003ctd align=\"right\"\u003e\u003ccode\u003etrue\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eIf a number is divisible by 2 it is \u003cem\u003eeven\u003c/em\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 % 2\u003c/td\u003e\n\u003ctd align=\"right\"\u003e1\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003elet isOdd = (number % 2 != 0)\u003c/code\u003e\u003c/td\u003e\n\u003ctd align=\"right\"\u003e\u003ccode\u003etrue\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eIf a number is not divisible by 2 it is \u003cem\u003eodd\u003c/em\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\u003c/markdown-accessiblity-table\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch2 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eSolving fizz buzz\u003c/h2\u003e\u003ca id=\"user-content-solving-fizz-buzz\" class=\"anchor\" aria-label=\"Permalink: Solving fizz buzz\" href=\"#solving-fizz-buzz\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eNow we can use the modulus operator \u003ccode\u003e%\u003c/code\u003e to solve fizz buzz.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eFinding numbers divisible by three:\u003c/p\u003e\n\u003cmarkdown-accessiblity-table\u003e\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModulus\u003c/th\u003e\n\u003cth align=\"right\"\u003eModulus Result\u003c/th\u003e\n\u003cth\u003eSwift Code\u003c/th\u003e\n\u003cth align=\"right\"\u003eSwift Code Result\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 % 3\u003c/td\u003e\n\u003ctd align=\"right\"\u003e1\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003e1 % 3 == 0\u003c/code\u003e\u003c/td\u003e\n\u003ctd align=\"right\"\u003e\u003ccode\u003efalse\u003c/code\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 % 3\u003c/td\u003e\n\u003ctd align=\"right\"\u003e2\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003e2 % 3 == 0\u003c/code\u003e\u003c/td\u003e\n\u003ctd align=\"right\"\u003e\u003ccode\u003efalse\u003c/code\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 % 3\u003c/td\u003e\n\u003ctd align=\"right\"\u003e0\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003e3 % 3 == 0\u003c/code\u003e\u003c/td\u003e\n\u003ctd align=\"right\"\u003e\u003ccode\u003etrue\u003c/code\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 % 3\u003c/td\u003e\n\u003ctd align=\"right\"\u003e1\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003e4 % 3 == 0\u003c/code\u003e\u003c/td\u003e\n\u003ctd align=\"right\"\u003e\u003ccode\u003efalse\u003c/code\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\u003c/markdown-accessiblity-table\u003e\n\u003cp dir=\"auto\"\u003eFinding numbers divisible by five:\u003c/p\u003e\n\u003cmarkdown-accessiblity-table\u003e\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModulus\u003c/th\u003e\n\u003cth align=\"right\"\u003eModulus Result\u003c/th\u003e\n\u003cth\u003eSwift Code\u003c/th\u003e\n\u003cth align=\"right\"\u003eSwift Code Result\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 % 5\u003c/td\u003e\n\u003ctd align=\"right\"\u003e1\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003e1 % 5 == 0\u003c/code\u003e\u003c/td\u003e\n\u003ctd align=\"right\"\u003e\u003ccode\u003efalse\u003c/code\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 % 5\u003c/td\u003e\n\u003ctd align=\"right\"\u003e2\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003e2 % 5 == 0\u003c/code\u003e\u003c/td\u003e\n\u003ctd align=\"right\"\u003e\u003ccode\u003efalse\u003c/code\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 % 5\u003c/td\u003e\n\u003ctd align=\"right\"\u003e3\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003e3 % 5 == 0\u003c/code\u003e\u003c/td\u003e\n\u003ctd align=\"right\"\u003e\u003ccode\u003efalse\u003c/code\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 % 5\u003c/td\u003e\n\u003ctd align=\"right\"\u003e4\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003e4 % 5 == 0\u003c/code\u003e\u003c/td\u003e\n\u003ctd align=\"right\"\u003e\u003ccode\u003efalse\u003c/code\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 % 5\u003c/td\u003e\n\u003ctd align=\"right\"\u003e0\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003e5 % 5 == 0\u003c/code\u003e\u003c/td\u003e\n\u003ctd align=\"right\"\u003e\u003ccode\u003etrue\u003c/code\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6 % 5\u003c/td\u003e\n\u003ctd align=\"right\"\u003e1\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003e6 % 5 == 0\u003c/code\u003e\u003c/td\u003e\n\u003ctd align=\"right\"\u003e\u003ccode\u003efalse\u003c/code\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\u003c/markdown-accessiblity-table\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch2 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eThe code\u003c/h2\u003e\u003ca id=\"user-content-the-code\" class=\"anchor\" aria-label=\"Permalink: The code\" href=\"#the-code\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eHere is a simple implementation in Swift:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-swift notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"func fizzBuzz(_ numberOfTurns: Int) {\n for i in 1...numberOfTurns {\n var result = \u0026quot;\u0026quot;\n\n if i % 3 == 0 {\n result += \u0026quot;Fizz\u0026quot;\n }\n\n if i % 5 == 0 {\n result += (result.isEmpty ? \u0026quot;\u0026quot; : \u0026quot; \u0026quot;) + \u0026quot;Buzz\u0026quot;\n }\n\n if result.isEmpty {\n result += \u0026quot;\\(i)\u0026quot;\n }\n\n print(result)\n }\n}\"\u003e\u003cpre\u003e\u003cspan class=\"pl-en\"\u003efunc\u003c/span\u003e fizzBuzz\u003cspan class=\"pl-kos\"\u003e(\u003c/span\u003e_ numberOfTurns\u003cspan class=\"pl-kos\"\u003e:\u003c/span\u003e \u003cspan class=\"pl-smi\"\u003eInt\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e)\u003c/span\u003e \u003cspan class=\"pl-kos\"\u003e{\u003c/span\u003e\n \u003cspan class=\"pl-k\"\u003efor\u003c/span\u003e \u003cspan class=\"pl-s1\"\u003ei\u003c/span\u003e \u003cspan class=\"pl-k\"\u003ein\u003c/span\u003e \u003cspan class=\"pl-c1\"\u003e1\u003c/span\u003e\u003cspan class=\"pl-c1\"\u003e...\u003c/span\u003enumberOfTurns \u003cspan class=\"pl-kos\"\u003e{\u003c/span\u003e\n \u003cspan class=\"pl-k\"\u003evar\u003c/span\u003e \u003cspan class=\"pl-s1\"\u003eresult\u003c/span\u003e \u003cspan class=\"pl-c1\"\u003e=\u003c/span\u003e \u003cspan class=\"pl-s\"\u003e\"\u003c/span\u003e\u003cspan class=\"pl-s\"\u003e\"\u003c/span\u003e\n\n \u003cspan class=\"pl-k\"\u003eif\u003c/span\u003e i \u003cspan class=\"pl-c1\"\u003e%\u003c/span\u003e \u003cspan class=\"pl-c1\"\u003e3\u003c/span\u003e \u003cspan class=\"pl-c1\"\u003e==\u003c/span\u003e \u003cspan class=\"pl-c1\"\u003e0\u003c/span\u003e \u003cspan class=\"pl-kos\"\u003e{\u003c/span\u003e\n result \u003cspan class=\"pl-c1\"\u003e+=\u003c/span\u003e \u003cspan class=\"pl-s\"\u003e\"\u003c/span\u003e\u003cspan class=\"pl-s\"\u003eFizz\u003c/span\u003e\u003cspan class=\"pl-s\"\u003e\"\u003c/span\u003e\n \u003cspan class=\"pl-kos\"\u003e}\u003c/span\u003e\n\n \u003cspan class=\"pl-k\"\u003eif\u003c/span\u003e i \u003cspan class=\"pl-c1\"\u003e%\u003c/span\u003e \u003cspan class=\"pl-c1\"\u003e5\u003c/span\u003e \u003cspan class=\"pl-c1\"\u003e==\u003c/span\u003e \u003cspan class=\"pl-c1\"\u003e0\u003c/span\u003e \u003cspan class=\"pl-kos\"\u003e{\u003c/span\u003e\n result \u003cspan class=\"pl-c1\"\u003e+=\u003c/span\u003e \u003cspan class=\"pl-kos\"\u003e(\u003c/span\u003eresult\u003cspan class=\"pl-kos\"\u003e.\u003c/span\u003eisEmpty \u003cspan class=\"pl-c1\"\u003e?\u003c/span\u003e \u003cspan class=\"pl-s\"\u003e\"\u003c/span\u003e\u003cspan class=\"pl-s\"\u003e\"\u003c/span\u003e \u003cspan class=\"pl-k\"\u003e:\u003c/span\u003e \u003cspan class=\"pl-s\"\u003e\"\u003c/span\u003e\u003cspan class=\"pl-s\"\u003e \u003c/span\u003e\u003cspan class=\"pl-s\"\u003e\"\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e)\u003c/span\u003e \u003cspan class=\"pl-c1\"\u003e+\u003c/span\u003e \u003cspan class=\"pl-s\"\u003e\"\u003c/span\u003e\u003cspan class=\"pl-s\"\u003eBuzz\u003c/span\u003e\u003cspan class=\"pl-s\"\u003e\"\u003c/span\u003e\n \u003cspan class=\"pl-kos\"\u003e}\u003c/span\u003e\n\n \u003cspan class=\"pl-k\"\u003eif\u003c/span\u003e result\u003cspan class=\"pl-kos\"\u003e.\u003c/span\u003eisEmpty \u003cspan class=\"pl-kos\"\u003e{\u003c/span\u003e\n result \u003cspan class=\"pl-c1\"\u003e+=\u003c/span\u003e \u003cspan class=\"pl-s\"\u003e\"\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e\\(\u003c/span\u003ei\u003cspan class=\"pl-kos\"\u003e)\u003c/span\u003e\u003cspan class=\"pl-s\"\u003e\"\u003c/span\u003e\n \u003cspan class=\"pl-kos\"\u003e}\u003c/span\u003e\n\n \u003cspan class=\"pl-en\"\u003eprint\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e(\u003c/span\u003eresult\u003cspan class=\"pl-kos\"\u003e)\u003c/span\u003e\n \u003cspan class=\"pl-kos\"\u003e}\u003c/span\u003e\n\u003cspan class=\"pl-kos\"\u003e}\u003c/span\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003ePut this code in a playground and test it like so:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-swift notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"fizzBuzz(15)\"\u003e\u003cpre\u003e\u003cspan class=\"pl-en\"\u003efizzBuzz\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e(\u003c/span\u003e\u003cspan class=\"pl-c1\"\u003e15\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e)\u003c/span\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThis will output:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"1, 2, Fizz, 4, Buzz, Fizz, 7, 8, Fizz, Buzz, 11, Fizz, 13, 14, Fizz Buzz\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003e1, 2, Fizz, 4, Buzz, Fizz, 7, 8, Fizz, Buzz, 11, Fizz, 13, 14, Fizz Buzz\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch2 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eSee also\u003c/h2\u003e\u003ca id=\"user-content-see-also\" class=\"anchor\" aria-label=\"Permalink: See also\" href=\"#see-also\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003e\u003ca href=\"https://en.wikipedia.org/wiki/Fizz_buzz\" rel=\"nofollow\"\u003eFizz buzz on Wikipedia\u003c/a\u003e\u003c/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cem\u003eWritten by \u003ca href=\"https://github.com/chris-pilcher\"\u003eChris Pilcher\u003c/a\u003e\u003c/em\u003e\u003c/p\u003e\n\u003c/article\u003e","errorMessage":null,"headerInfo":{"toc":[{"level":1,"text":"Fizz Buzz","anchor":"fizz-buzz","htmlText":"Fizz Buzz"},{"level":2,"text":"Example","anchor":"example","htmlText":"Example"},{"level":2,"text":"Modulus Operator","anchor":"modulus-operator","htmlText":"Modulus Operator"},{"level":2,"text":"Solving fizz buzz","anchor":"solving-fizz-buzz","htmlText":"Solving fizz buzz"},{"level":2,"text":"The code","anchor":"the-code","htmlText":"The code"},{"level":2,"text":"See also","anchor":"see-also","htmlText":"See also"}],"siteNavLoginPath":"/login?return_to=https%3A%2F%2Fgithub.com%2Fjerrytdev%2Fswift-algorithm-club%2Ftree%2FPermutations%2FFizz%2520Buzz"}},"totalCount":3,"showBranchInfobar":true},"fileTree":{"":{"items":[{"name":".github","path":".github","contentType":"directory"},{"name":"3Sum and 4Sum","path":"3Sum and 4Sum","contentType":"directory"},{"name":"AVL Tree","path":"AVL Tree","contentType":"directory"},{"name":"All-Pairs Shortest Paths","path":"All-Pairs Shortest Paths","contentType":"directory"},{"name":"Array2D","path":"Array2D","contentType":"directory"},{"name":"B-Tree","path":"B-Tree","contentType":"directory"},{"name":"Binary Search Tree","path":"Binary Search Tree","contentType":"directory"},{"name":"Binary Search","path":"Binary Search","contentType":"directory"},{"name":"Binary Tree","path":"Binary Tree","contentType":"directory"},{"name":"Bit Set","path":"Bit Set","contentType":"directory"},{"name":"Bloom Filter","path":"Bloom 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