Update 0078.子集.md

problems/0078.子集.md

@@ -183,7 +183,28 @@ Python：
 
 
 Go：
-
+```Go
+var res [][]int
+func subset(nums []int) [][]int {
+	res = make([][]int, 0)
+	sort.Ints(nums)
+	Dfs([]int{}, nums, 0)
+	return res
+}
+func Dfs(temp, nums []int, start int){
+	tmp := make([]int, len(temp))
+	copy(tmp, temp)
+	res = append(res, tmp)
+	for i := start; i < len(nums); i++{
+		//if i>start&&nums[i]==nums[i-1]{
+		//	continue
+		//}
+		temp = append(temp, nums[i])
+		Dfs(temp, nums, i+1)
+		temp = temp[:len(temp)-1]
+	}
+}
+```