404. Sum of Left Leaves
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class Solution {private: int count=0; void sumhelper(TreeNode* root,bool isleft) { if(!root) return; if(isleft&&!root->left&&!root->right) count+=root->val; if(root->left) sumhelper(root->left,true); if(root->right) sumhelper(root->right,false); }public: int sumOfLeftLeaves(TreeNode* root) { sumhelper(root,false); return count; }}; 1 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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