mirror of
https://github.com/youngyangyang04/leetcode-master.git
synced 2025-07-11 21:10:58 +08:00
添加(0344.反转字符串.md):PHP版本
This commit is contained in:
@ -267,5 +267,34 @@ public class Solution
|
||||
}
|
||||
```
|
||||
|
||||
PHP:
|
||||
```php
|
||||
// 双指针
|
||||
// 一:
|
||||
function reverseString(&$s) {
|
||||
$left = 0;
|
||||
$right = count($s)-1;
|
||||
while($left<$right){
|
||||
$temp = $s[$left];
|
||||
$s[$left] = $s[$right];
|
||||
$s[$right] = $temp;
|
||||
$left++;
|
||||
$right--;
|
||||
}
|
||||
}
|
||||
|
||||
// 二:
|
||||
function reverseString(&$s) {
|
||||
$this->reverse($s,0,count($s)-1);
|
||||
}
|
||||
// 按指定位置交换元素
|
||||
function reverse(&$s, $start, $end) {
|
||||
for ($i = $start, $j = $end; $i < $j; $i++, $j--) {
|
||||
$tmp = $s[$i];
|
||||
$s[$i] = $s[$j];
|
||||
$s[$j] = $tmp;
|
||||
}
|
||||
}
|
||||
```
|
||||
-----------------------
|
||||
<div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>
|
||||
|
Reference in New Issue
Block a user