From 4516aaab6096e84f5fd7b526a135225c1b862570 Mon Sep 17 00:00:00 2001
From: cherrypicker <cherrypicker404@gmail.com>
Date: Thu, 21 Dec 2023 15:36:44 +0800
Subject: [PATCH] =?UTF-8?q?Update0027.=E7=A7=BB=E9=99=A4=E5=85=83=E7=B4=A0?=
 =?UTF-8?q?=20Go=E7=A4=BA=E4=BE=8B=E4=BB=A3=E7=A0=81?=
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添加注释、代码格式化
---
 problems/0027.移除元素.md | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/problems/0027.移除元素.md b/problems/0027.移除元素.md
index 8522e785..dbde3d19 100644
--- a/problems/0027.移除元素.md
+++ b/problems/0027.移除元素.md
@@ -256,17 +256,24 @@ class Solution:
 ### Go：
 
 ```go
+// 快慢指针法
+// 时间复杂度 O(n)
+// 空间复杂度 O(1)
 func removeElement(nums []int, val int) int {
-    length:=len(nums)
-    res:=0
-    for i:=0;i<length;i++{
-        if nums[i]!=val {
-            nums[res]=nums[i]
-            res++
-        }
-    }
-    nums=nums[:res]
-    return res
+	// 初始化慢指针 slow
+	slow := 0
+	// 通过 for 循环移动快指针 fast
+	// 当 fast 指向的元素等于 val 时，跳过
+	// 否则，将该元素写入 slow 指向的位置，并将 slow 后移一位
+	for fast := 0; fast < len(nums); fast++ {
+		if nums[fast] == val {
+			continue
+		}
+		nums[slow] = nums[fast]
+		slow++
+	}
+
+	return slow
 }
 ```
 ```go