diff --git a/problems/0059.螺旋矩阵II.md b/problems/0059.螺旋矩阵II.md index 4231fb39..3dbc2a50 100644 --- a/problems/0059.螺旋矩阵II.md +++ b/problems/0059.螺旋矩阵II.md @@ -426,6 +426,48 @@ impl Solution { } ``` +PHP: +```php +class Solution { + /** + * @param Integer $n + * @return Integer[][] + */ + function generateMatrix($n) { + // 初始化数组 + $res = array_fill(0, $n, array_fill(0, $n, 0)); + $mid = $loop = floor($n / 2); + $startX = $startY = 0; + $offset = 1; + $count = 1; + while ($loop > 0) { + $i = $startX; + $j = $startY; + for (; $j < $startY + $n - $offset; $j++) { + $res[$i][$j] = $count++; + } + for (; $i < $startX + $n - $offset; $i++) { + $res[$i][$j] = $count++; + } + for (; $j > $startY; $j--) { + $res[$i][$j] = $count++; + } + for (; $i > $startX; $i--) { + $res[$i][$j] = $count++; + } + $startX += 1; + $startY += 1; + $offset += 2; + $loop--; + } + if ($n % 2 == 1) { + $res[$mid][$mid] = $count; + } + return $res; + } +} +``` + ----------------------- * 作者微信:[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)