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-rw-r--r--other/binary_tree_inorder.cpp23
1 files changed, 23 insertions, 0 deletions
diff --git a/other/binary_tree_inorder.cpp b/other/binary_tree_inorder.cpp
new file mode 100644
index 0000000..a677d27
--- /dev/null
+++ b/other/binary_tree_inorder.cpp
@@ -0,0 +1,23 @@
+#include "leetcode.h"
+
+class Solution {
+public:
+ vector<int> inorderTraversal(TreeNode *root) {
+ vector<int> ans;
+ stack<TreeNode *> s;
+ TreeNode *curr = root;
+ while (curr || !s.empty()) {
+ while (curr) {
+ s.push(curr);
+ curr = curr->left;
+ }
+ curr = s.top();
+ s.pop();
+ ans.push_back(curr->val);
+ curr = curr->right;
+ }
+ return ans;
+ }
+};
+
+int main() { Solution obj; }