Commit 68aeac3

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Merge pull request youngyangyang04#611 from YDLIN/master

添加0059.螺旋矩阵II Swift 版本

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Lines changed: 55 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -302,6 +302,61 @@ func generateMatrix(n int) [][]int {`
`302`	`302`	`}`
`303`	`303`	```
`304`	`304`
	`305`	`+Swift:`
	`306`	`+`
	`307`	+```swift
	`308`	`+func generateMatrix(_ n: Int) -> [[Int]] {`
	`309`	`+ var result = [[Int]](repeating: [Int](repeating: 0, count: n), count: n)`
	`310`	`+`
	`311`	`+ var startRow = 0`
	`312`	`+ var startColumn = 0`
	`313`	`+ var loopCount = n / 2`
	`314`	`+ let mid = n / 2`
	`315`	`+ var count = 1`
	`316`	`+ var offset = 1`
	`317`	`+ var row: Int`
	`318`	`+ var column: Int`
	`319`	`+`
	`320`	`+ while loopCount > 0 {`
	`321`	`+ row = startRow`
	`322`	`+ column = startColumn`
	`323`	`+`
	`324`	`+ for c in column ..< startColumn + n - offset {`
	`325`	`+ result[startRow][c] = count`
	`326`	`+ count += 1`
	`327`	`+ column += 1`
	`328`	`+ }`
	`329`	`+`
	`330`	`+ for r in row ..< startRow + n - offset {`
	`331`	`+ result[r][column] = count`
	`332`	`+ count += 1`
	`333`	`+ row += 1`
	`334`	`+ }`
	`335`	`+`
	`336`	`+ for _ in startColumn ..< column {`
	`337`	`+ result[row][column] = count`
	`338`	`+ count += 1`
	`339`	`+ column -= 1`
	`340`	`+ }`
	`341`	`+`
	`342`	`+ for _ in startRow ..< row {`
	`343`	`+ result[row][column] = count`
	`344`	`+ count += 1`
	`345`	`+ row -= 1`
	`346`	`+ }`
	`347`	`+`
	`348`	`+ startRow += 1`
	`349`	`+ startColumn += 1`
	`350`	`+ offset += 2`
	`351`	`+ loopCount -= 1`
	`352`	`+ }`
	`353`	`+`
	`354`	`+ if (n % 2) != 0 {`
	`355`	`+ result[mid][mid] = count`
	`356`	`+ }`
	`357`	`+ return result`
	`358`	`+}`
	`359`	+```
`305`	`360`
`306`	`361`
`307`	`362`

Lines changed: 28 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -304,6 +304,34 @@ var removeElements = function(head, val) {`
`304`	`304`	`};`
`305`	`305`	```
`306`	`306`
	`307`	`+Swift:`
	`308`	`+`
	`309`	+```swift
	`310`	`+/**`
	`311`	`+ * Definition for singly-linked list.`
	`312`	`+ * public class ListNode {`
	`313`	`+ * public var val: Int`
	`314`	`+ * public var next: ListNode?`
	`315`	`+ * public init() { self.val = 0; self.next = nil; }`
	`316`	`+ * public init(_ val: Int) { self.val = val; self.next = nil; }`
	`317`	`+ * public init(_ val: Int, _ next: ListNode?) { self.val = val; self.next = next; }`
	`318`	`+ * }`
	`319`	`+ */`
	`320`	`+func removeElements(_ head: ListNode?, _ val: Int) -> ListNode? {`
	`321`	`+ let dummyNode = ListNode()`
	`322`	`+ dummyNode.next = head`
	`323`	`+ var currentNode = dummyNode`
	`324`	`+ while let curNext = currentNode.next {`
	`325`	`+ if curNext.val == val {`
	`326`	`+ currentNode.next = curNext.next`
	`327`	`+ } else {`
	`328`	`+ currentNode = curNext`
	`329`	`+ }`
	`330`	`+ }`
	`331`	`+ return dummyNode.next`
	`332`	`+}`
	`333`	+```
	`334`	`+`
`307`	`335`
`308`	`336`
`309`	`337`

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