Update 1005.K次取反后最大化的数组和.md

添加 1005.K次取反后最大化的数组和.md Golang版本

problems/1005.K次取反后最大化的数组和.md

@@ -138,6 +138,30 @@ class Solution:
 ```
 
 Go：
+```Go
+func largestSumAfterKNegations(nums []int, K int) int {
+	sort.Slice(nums, func(i, j int) bool {
+		return math.Abs(float64(nums[i])) > math.Abs(float64(nums[j]))
+	})
+  
+	for i := 0; i < len(nums); i++ {
+		if K > 0 && nums[i] < 0 {
+			nums[i] = -nums[i]
+			K--
+		}
+	}
+
+	if K%2 == 1 {
+		nums[len(nums)-1] = -nums[len(nums)-1]
+	}
+
+	result := 0
+	for i := 0; i < len(nums); i++ {
+		result += nums[i]
+	}
+	return result
+}
+```
 
 
 Javascript: