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Add destructors to the C++ codes.

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Yudong Jin
2023-01-14 19:52:11 +08:00
parent 87acfc91ab
commit bb657f9517
19 changed files with 121 additions and 24 deletions
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13
codes/cpp/include/TreeNode.hpp
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@ -68,3 +68,16 @@ TreeNode *getTreeNode(TreeNode *root, int val) {
TreeNode *right = getTreeNode(root->right, val);
return left != nullptr ? left : right;
}
/**
* @brief Free the memory allocated to a tree
*
* @param root
*/
void freeMemoryTree(TreeNode *root) {
if (root == nullptr) return;
freeMemoryTree(root->left);
freeMemoryTree(root->right);
// 释放内存
delete root;
}