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lines changed Original file line number Diff line number Diff line change 222222
223223前序遍历:
224224``` go
225- func PreorderTraversal (root *TreeNode ) (res []int ) {
225+ func preorderTraversal (root *TreeNode ) (res []int ) {
226226 var traversal func (node *TreeNode)
227227 traversal = func (node *TreeNode) {
228228 if node == nil {
@@ -240,7 +240,7 @@ func PreorderTraversal(root *TreeNode) (res []int) {
240240中序遍历:
241241
242242``` go
243- func InorderTraversal (root *TreeNode ) (res []int ) {
243+ func inorderTraversal (root *TreeNode ) (res []int ) {
244244 var traversal func (node *TreeNode)
245245 traversal = func (node *TreeNode) {
246246 if node == nil {
@@ -257,7 +257,7 @@ func InorderTraversal(root *TreeNode) (res []int) {
257257后序遍历:
258258
259259``` go
260- func PostorderTraversal (root *TreeNode ) (res []int ) {
260+ func postorderTraversal (root *TreeNode ) (res []int ) {
261261 var traversal func (node *TreeNode)
262262 traversal = func (node *TreeNode) {
263263 if node == nil {
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