Commit 5f7fde0

authored

feat: add swift implementation to lcof2 problem: No.037 (doocs#3047)

1 parent 75eedb3 commit 5f7fde0Copy full SHA for 5f7fde0

File tree

+49

-0

lines changed

+49

-0

lines changed

Lines changed: 27 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -221,6 +221,33 @@ impl Solution {`
`221`	`221`	`}`
`222`	`222`	```
`223`	`223`
	`224`	`+#### Swift`
	`225`	`+`
	`226`	+```swift
	`227`	`+class Solution {`
	`228`	`+ func asteroidCollision(_ asteroids: [Int]) -> [Int] {`
	`229`	`+ var stack = [Int]()`
	`230`	`+`
	`231`	`+ for asteroid in asteroids {`
	`232`	`+ if asteroid > 0 {`
	`233`	`+ stack.append(asteroid)`
	`234`	`+ } else {`
	`235`	`+ while !stack.isEmpty && stack.last! > 0 && stack.last! < -asteroid {`
	`236`	`+ stack.removeLast()`
	`237`	`+ }`
	`238`	`+ if !stack.isEmpty && stack.last! == -asteroid {`
	`239`	`+ stack.removeLast()`
	`240`	`+ } else if stack.isEmpty \|\| stack.last! < 0 {`
	`241`	`+ stack.append(asteroid)`
	`242`	`+ }`
	`243`	`+ }`
	`244`	`+ }`
	`245`	`+`
	`246`	`+ return stack`
	`247`	`+ }`
	`248`	`+}`
	`249`	+```
	`250`	`+`
`224`	`251`	`<!-- tabs:end -->`
`225`	`252`
`226`	`253`	`<!-- solution:end -->`

Lines changed: 22 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,22 @@`
	`1`	`+class Solution {`
	`2`	`+ func asteroidCollision(_ asteroids: [Int]) -> [Int] {`
	`3`	`+ var stack = [Int]()`
	`4`	`+`
	`5`	`+ for asteroid in asteroids {`
	`6`	`+ if asteroid > 0 {`
	`7`	`+ stack.append(asteroid)`
	`8`	`+ } else {`
	`9`	`+ while !stack.isEmpty && stack.last! > 0 && stack.last! < -asteroid {`
	`10`	`+ stack.removeLast()`
	`11`	`+ }`
	`12`	`+ if !stack.isEmpty && stack.last! == -asteroid {`
	`13`	`+ stack.removeLast()`
	`14`	`+ } else if stack.isEmpty \|\| stack.last! < 0 {`
	`15`	`+ stack.append(asteroid)`
	`16`	`+ }`
	`17`	`+ }`
	`18`	`+ }`
	`19`	`+`
	`20`	`+ return stack`
	`21`	`+ }`
	`22`	`+}`

Comments

(0)