Update 0797.所有可能的路径 Go写法

problems/0797.所有可能的路径.md

@@ -217,6 +217,34 @@ class Solution:
             self.path.pop() # 回溯
 ```
 
+### Go
+
+```go
+func allPathsSourceTarget(graph [][]int) [][]int {
+    result := make([][]int, 0)
+
+    var trace func(path []int, step int)
+    trace = func(path []int, step int){
+        // 从0遍历到length-1
+        if step == len(graph) - 1{
+            tmp := make([]int, len(path))
+            copy(tmp, path)
+            result = append(result, tmp)
+            return 
+        }
+
+        for i := 0; i < len(graph[step]); i++{
+            next := append(path, graph[step][i])
+            trace(next, graph[step][i])
+        }
+    }
+    // 从0开始，开始push 0进去
+    trace([]int{0}, 0)
+    return result 
+}
+
+```
+
 
 
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