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klever34 klever34

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feat: add swift implementation to lcci problem: No.17.01 (doocs#2771)

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lcci/17.01.Add Without Plus

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`‎lcci/17.01.Add Without Plus/README.md‎`

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`@@ -43,6 +43,26 @@ class Solution {`
`43`	`43`	`}`
`44`	`44`	```
`45`	`45`
	`46`	+```swift
	`47`	`+class Solution {`
	`48`	`+ func add(_ a: Int, _ b: Int) -> Int {`
	`49`	`+ var a = a`
	`50`	`+ var b = b`
	`51`	`+ var sum = 0`
	`52`	`+ var carry = 0`
	`53`	`+`
	`54`	`+ while b != 0 {`
	`55`	`+ sum = a ^ b`
	`56`	`+ carry = (a & b) << 1`
	`57`	`+ a = sum`
	`58`	`+ b = carry`
	`59`	`+ }`
	`60`	`+`
	`61`	`+ return a`
	`62`	`+ }`
	`63`	`+}`
	`64`	+```
	`65`	`+`
`46`	`66`	`<!-- tabs:end -->`
`47`	`67`
`48`	`68`	`<!-- end -->`

`‎lcci/17.01.Add Without Plus/README_EN.md‎`

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`@@ -44,6 +44,26 @@ class Solution {`
`44`	`44`	`}`
`45`	`45`	```
`46`	`46`
	`47`	+```swift
	`48`	`+class Solution {`
	`49`	`+ func add(_ a: Int, _ b: Int) -> Int {`
	`50`	`+ var a = a`
	`51`	`+ var b = b`
	`52`	`+ var sum = 0`
	`53`	`+ var carry = 0`
	`54`	`+`
	`55`	`+ while b != 0 {`
	`56`	`+ sum = a ^ b`
	`57`	`+ carry = (a & b) << 1`
	`58`	`+ a = sum`
	`59`	`+ b = carry`
	`60`	`+ }`
	`61`	`+`
	`62`	`+ return a`
	`63`	`+ }`
	`64`	`+}`
	`65`	+```
	`66`	`+`
`47`	`67`	`<!-- tabs:end -->`
`48`	`68`
`49`	`69`	`<!-- end -->`

`‎lcci/17.01.Add Without Plus/Solution.swift‎`

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`@@ -0,0 +1,17 @@`
	`1`	`+class Solution {`
	`2`	`+ func add(_ a: Int, _ b: Int) -> Int {`
	`3`	`+ var a = a`
	`4`	`+ var b = b`
	`5`	`+ var sum = 0`
	`6`	`+ var carry = 0`
	`7`	`+`
	`8`	`+ while b != 0 {`
	`9`	`+ sum = a ^ b`
	`10`	`+ carry = (a & b) << 1`
	`11`	`+ a = sum`
	`12`	`+ b = carry`
	`13`	`+ }`
	`14`	`+`
	`15`	`+ return a`
	`16`	`+ }`
	`17`	`+}`

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