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Merge pull request #766 from fengwei2002/patch-2

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程序员Carl
2021-09-20 09:49:08 +08:00
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parent e157fc4b02 99e26666ee
commit fb2b6c6ee4
1 changed files with 2 additions and 1 deletions
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problems/0101.对称二叉树.md
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@ -185,7 +185,8 @@ public:
queue<TreeNode*> que;
que.push(root->left); // 将左子树头结点加入队列
que.push(root->right); // 将右子树头结点加入队列
while (!que.empty()) { // 接下来就要判断这这两个树是否相互翻转
while (!que.empty()) { // 接下来就要判断这两个树是否相互翻转
TreeNode* leftNode = que.front(); que.pop();
TreeNode* rightNode = que.front(); que.pop();
if (!leftNode && !rightNode) { // 左节点为空、右节点为空，此时说明是对称的