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Update '''0222.完全二叉树的节点个数.md''' Fix Typo
修复部分代码块无高亮
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@ -54,7 +54,7 @@
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1. 确定递归函数的参数和返回值:参数就是传入树的根节点,返回就返回以该节点为根节点二叉树的节点数量,所以返回值为int类型。
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代码如下:
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```
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```CPP
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int getNodesNum(TreeNode* cur) {
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```
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@ -62,7 +62,7 @@ int getNodesNum(TreeNode* cur) {
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代码如下:
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```
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```CPP
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if (cur == NULL) return 0;
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```
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@ -70,7 +70,7 @@ if (cur == NULL) return 0;
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代码如下:
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```
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```CPP
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int leftNum = getNodesNum(cur->left); // 左
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int rightNum = getNodesNum(cur->right); // 右
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int treeNum = leftNum + rightNum + 1; // 中
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