21 lines
477 B
C++
21 lines
477 B
C++
#include "s0513_find_bottom_left_tree_value.hpp"
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int findBottomLeftValue(TreeNode* root) {
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int result{0};
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queue<TreeNode *> q;
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if (root) q.push(root);
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int size{0};
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TreeNode *front = root;
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while (!q.empty()) {
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size = q.size();
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for (int i{0}; i < size; ++i) {
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front = q.front();
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q.pop();
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if (i == 0) result = front->val;
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if (front->left) q.push(front->left);
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if (front->right) q.push(front->right);
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}
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}
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return result;
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}
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