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-rw-r--r--other/binary_tree_right_view.cpp24
1 files changed, 24 insertions, 0 deletions
diff --git a/other/binary_tree_right_view.cpp b/other/binary_tree_right_view.cpp
new file mode 100644
index 0000000..e5a040c
--- /dev/null
+++ b/other/binary_tree_right_view.cpp
@@ -0,0 +1,24 @@
+#include "leetcode.h"
+
+class Solution {
+public:
+ vector<int> rightSideView(TreeNode *root) {
+ queue<TreeNode *> q;
+ vector<int> ans;
+ if (!root)
+ return ans;
+ q.push(root);
+ while (!q.empty()) {
+ ans.push_back(q.back()->val);
+ for (int i = q.size(); i > 0; i--) {
+ TreeNode *n = q.front();
+ q.pop();
+ if (n->left)
+ q.push(n->left);
+ if (n->right)
+ q.push(n->right);
+ }
+ }
+ return ans;
+ }
+};