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Fix the code of preorder_traversal_iii_compact

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krahets
2023-07-21 22:08:26 +08:00
parent 075c3abf88
commit bba62bbe75
11 changed files with 19 additions and 10 deletions
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1
codes/go/chapter_backtracking/preorder_traversal_iii_compact.go
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@@ -19,6 +19,7 @@ func preOrderIII(root *TreeNode, res *[][]*TreeNode, path *[]*TreeNode) {
if int(root.Val) == 7 {
// 记录解
*res = append(*res, *path)
*path = (*path)[:len(*path)-1]
return
}
preOrderIII(root.Left, res, path)

4
codes/go/chapter_backtracking/preorder_traversal_test.go
View File

@@ -59,7 +59,7 @@ func TestPreorderTraversalIIICompact(t *testing.T) {
res := make([][]*TreeNode, 0)
preOrderIII(root, &res, &path)
fmt.Println("\n输出所有根节点到节点 7 的路径，且路径中不包含值为 3 的节点")
fmt.Println("\n输出所有根节点到节点 7 的路径，路径中不包含值为 3 的节点，仅包含一个值为 7 的节点")
for _, path := range res {
for _, node := range path {
fmt.Printf("%v ", node.Val)
@@ -81,7 +81,7 @@ func TestPreorderTraversalIIITemplate(t *testing.T) {
choices = append(choices, root)
backtrackIII(&state, &choices, &res)
fmt.Println("\n输出所有根节点到节点 7 的路径，且路径中不包含值为 3 的节点")
fmt.Println("\n输出所有根节点到节点 7 的路径，路径中不包含值为 3 的节点，仅包含一个值为 7 的节点")
for _, path := range res {
for _, node := range path {
fmt.Printf("%v ", node.Val)