404. Sum of Left Leaves
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class Solution {public: int sumOfLeftLeaves(TreeNode* root) { int sum=0; Preorder(root,sum); return sum; } void Preorder(TreeNode* root,int &sum) { if(root) { if(root->left!=NULL&&root->left->left==NULL&&root->left->right==NULL) sum=sum+root->left->val; Preorder(root->left,sum); Preorder(root->right,sum); } }}; 0 0
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves*
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
- 404. Sum of Left Leaves
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- 404. Sum of Left Leaves
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