Commit 5436b82

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feat: add swift implementation to lcof2 problem: No.033 (doocs#3038)

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Original file line number	Diff line number	Diff line change
`@@ -158,6 +158,26 @@ function groupAnagrams(strs: string[]): string[][] {`
`158`	`158`	`}`
`159`	`159`	```
`160`	`160`
	`161`	`+#### Swift`
	`162`	`+`
	`163`	+```swift
	`164`	`+class Solution {`
	`165`	`+ func groupAnagrams(_ strs: [String]) -> [[String]] {`
	`166`	`+ var d = [String: [String]]()`
	`167`	`+`
	`168`	`+ for s in strs {`
	`169`	`+ let sortedStr = String(s.sorted())`
	`170`	`+ if d[sortedStr] == nil {`
	`171`	`+ d[sortedStr] = [String]()`
	`172`	`+ }`
	`173`	`+ d[sortedStr]!.append(s)`
	`174`	`+ }`
	`175`	`+`
	`176`	`+ return Array(d.values)`
	`177`	`+ }`
	`178`	`+}`
	`179`	+```
	`180`	`+`
`161`	`181`	`<!-- tabs:end -->`
`162`	`182`
`163`	`183`	`<!-- solution:end -->`

Lines changed: 15 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,15 @@`
	`1`	`+class Solution {`
	`2`	`+ func groupAnagrams(_ strs: [String]) -> [[String]] {`
	`3`	`+ var d = [String: [String]]()`
	`4`	`+`
	`5`	`+ for s in strs {`
	`6`	`+ let sortedStr = String(s.sorted())`
	`7`	`+ if d[sortedStr] == nil {`
	`8`	`+ d[sortedStr] = [String]()`
	`9`	`+ }`
	`10`	`+ d[sortedStr]!.append(s)`
	`11`	`+ }`
	`12`	`+`
	`13`	`+ return Array(d.values)`
	`14`	`+ }`
	`15`	`+}`

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