Commit894f2bb

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Create 0228-summary-ranges.swift

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Original file line number	Diff line number	Diff line change
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	`1`	`+classSolution{`
	`2`	`+func summaryRanges(_ nums:[Int])->[String]{`
	`3`	`+if nums.isEmpty{`
	`4`	`+return[]`
	`5`	`+}`
	`6`	`+varl=0`
	`7`	`+varres=[String]()`
	`8`	`+forrin1..<nums.count{`
	`9`	`+ifnums[r]!=nums[r-1]+1{`
	`10`	`+if l== r-1{`
	`11`	`+ res.append("\(nums[l])")`
	`12`	`+}else{`
	`13`	`+ res.append("\(nums[l])->\(nums[r-1])")`
	`14`	`+}`
	`15`	`+ l= r`
	`16`	`+}`
	`17`	`+}`
	`18`	`+`
	`19`	`+if l== nums.count-1{`
	`20`	`+ res.append("\(nums[l])")`
	`21`	`+}else{`
	`22`	`+ res.append("\(nums[l])->\(nums[nums.count-1])")`
	`23`	`+}`
	`24`	`+`
	`25`	`+return res`
	`26`	`+}`
	`27`	`+}`

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