algorithm/leetcode-master
1
0
Fork 0
mirror of https://github.com/youngyangyang04/leetcode-master.git synced 2025-07-09 11:34:46 +08:00
Code Issues Packages Projects Releases Wiki Activity

添加 344.反转字符串 Swift版本

Browse Source
This commit is contained in:
极客学伟
2021-09-10 17:21:54 +08:00
parent e9f48c211a
commit c33f8452a8
1 changed files with 10 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
problems/0344.反转字符串.md
View File

@ -206,6 +206,7 @@ var reverseString = function(s) {
Swift: Swift:
```swift ```swift
// 双指针 - 元组
func reverseString(_ s: inout [Character]) { func reverseString(_ s: inout [Character]) {
var l = 0 var l = 0
var r = s.count - 1 var r = s.count - 1
@ -216,11 +217,18 @@ func reverseString(_ s: inout [Character]) {
r -= 1 r -= 1
} }
} }
// 双指针法 - 库函数
func reverseString(_ s: inout [Character]) {
var j = s.count - 1
for i in 0 ..< Int(Double(s.count) * 0.5) {
s.swapAt(i, j)
j -= 1
}
}
``` ```
----------------------- -----------------------
* 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw) * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)
* B站视频：[代码随想录](https://space.bilibili.com/525438321) * B站视频：[代码随想录](https://space.bilibili.com/525438321)