\u4e00\u3001\u5f15\u8a00<\/p>\n
\u4e8c\u53c9\u6811\u4f5c\u4e3a\u4e00\u79cd\u91cd\u8981\u7684\u6570\u636e\u7ed3\u6784，\u5728\u8ba1\u7b97\u673a\u79d1\u5b66\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528，\u65e0\u8bba\u662f\u5728\u64cd\u4f5c\u7cfb\u7edf\u7684\u6587\u4ef6\u7cfb\u7edf\u7ba1\u7406，\u8fd8\u662f\u5728\u6570\u636e\u5e93\u7684\u7d22\u5f15\u6784\u5efa\u4e2d，\u90fd\u80fd\u770b\u5230\u5b83\u7684\u8eab\u5f71\u3002\u5728C\u8bed\u8a00\u4e2d，\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u6307\u9488\u7075\u6d3b\u5730\u6784\u5efa\u548c\u64cd\u4f5c\u4e8c\u53c9\u6811\u3002\u63a5\u4e0b\u6765，\u5c31\u8ba9\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u4e8c\u53c9\u6811\u5728C\u8bed\u8a00\u4e2d\u7684\u5b9e\u73b0\u4e0e\u76f8\u5173\u64cd\u4f5c\u3002<\/p>\n
\u00a0<\/p>\n
\u4e8c\u3001\u4e8c\u53c9\u6811\u7684\u57fa\u672c\u6982\u5ff5<\/p>\n
\u00a0<\/p>\n
\u4e8c\u53c9\u6811\u662f\u4e00\u79cd\u6bcf\u4e2a\u8282\u70b9\u6700\u591a\u6709\u4e24\u4e2a\u5b50\u8282\u70b9\u7684\u6811\u7ed3\u6784，\u8fd9\u4e24\u4e2a\u5b50\u8282\u70b9\u5206\u522b\u79f0\u4e3a\u5de6\u5b50\u8282\u70b9\u548c\u53f3\u5b50\u8282\u70b9\u3002\u4e8c\u53c9\u6811\u5177\u6709\u9012\u5f52\u6027\u8d28，\u5373\u5b83\u7684\u5b50\u6811\u4e5f\u90fd\u662f\u4e8c\u53c9\u6811\u3002\u5e38\u89c1\u7684\u7279\u6b8a\u4e8c\u53c9\u6811\u5305\u62ec\u6ee1\u4e8c\u53c9\u6811（\u6bcf\u4e2a\u8282\u70b9\u8981\u4e48\u6709\u4e24\u4e2a\u5b50\u8282\u70b9，\u8981\u4e48\u6ca1\u6709\u5b50\u8282\u70b9）\u548c\u5b8c\u5168\u4e8c\u53c9\u6811（\u9664\u6700\u540e\u4e00\u5c42\u5916，\u6bcf\u4e00\u5c42\u4e0a\u7684\u8282\u70b9\u6570\u5747\u8fbe\u5230\u6700\u5927\u503c，\u5728\u6700\u540e\u4e00\u5c42\u4e0a\u53ea\u7f3a\u5c11\u53f3\u8fb9\u7684\u82e5\u5e72\u8282\u70b9）\u3002<\/p>\n
\u00a0<\/p>\n
\u4e09\u3001C\u8bed\u8a00\u4e2d\u4e8c\u53c9\u6811\u7684\u5b9a\u4e49<\/p>\n
\u00a0<\/p>\n
\u5728C\u8bed\u8a00\u4e2d，\u6211\u4eec\u901a\u8fc7\u7ed3\u6784\u4f53\u6765\u5b9a\u4e49\u4e8c\u53c9\u6811\u7684\u8282\u70b9，\u4ee3\u7801\u5982\u4e0b：<\/p>\n
\u00a0<\/p>\n
\/\/ \u5b9a\u4e49\u4e8c\u53c9\u6811\u8282\u70b9\u7ed3\u6784\u4f53<\/p>\n
typedef struct TreeNode {<\/p>\n
\u00a0 \u00a0 int data;<\/p>\n
\u00a0 \u00a0 struct TreeNode *left;<\/p>\n
\u00a0 \u00a0 struct TreeNode *right;<\/p>\n
} TreeNode;<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
\u5728\u8fd9\u4e2a\u7ed3\u6784\u4f53\u4e2d，\u00a0data\u00a0 \u7528\u4e8e\u5b58\u50a8\u8282\u70b9\u7684\u6570\u636e，\u00a0left\u00a0 \u548c \u00a0right\u00a0 \u662f\u4e24\u4e2a\u6307\u9488，\u5206\u522b\u6307\u5411\u8be5\u8282\u70b9\u7684\u5de6\u5b50\u8282\u70b9\u548c\u53f3\u5b50\u8282\u70b9\u3002<\/p>\n
\u00a0<\/p>\n
\u56db\u3001\u4e8c\u53c9\u6811\u7684\u57fa\u672c\u64cd\u4f5c<\/p>\n
\u00a0<\/p>\n
（\u4e00）\u521b\u5efa\u4e8c\u53c9\u6811\u8282\u70b9<\/p>\n
\u00a0<\/p>\n
\/\/ \u521b\u5efa\u4e8c\u53c9\u6811\u8282\u70b9<\/p>\n
TreeNode* createTreeNode(int value) {<\/p>\n
\u00a0 \u00a0 TreeNode* newNode = (TreeNode*)malloc(sizeof(TreeNode));<\/p>\n
\u00a0 \u00a0 if (newNode == NULL) {<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u5185\u5b58\u5206\u914d\u5931\u8d25\u5904\u7406<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 return NULL;<\/p>\n
\u00a0 \u00a0 }<\/p>\n
\u00a0 \u00a0 newNode->data = value;<\/p>\n
\u00a0 \u00a0 newNode->left = NULL;<\/p>\n
\u00a0 \u00a0 newNode->right = NULL;<\/p>\n
\u00a0 \u00a0 return newNode;<\/p>\n
}<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u901a\u8fc7 \u00a0malloc\u00a0 \u51fd\u6570\u4e3a\u65b0\u8282\u70b9\u5206\u914d\u5185\u5b58，\u5e76\u521d\u59cb\u5316\u8282\u70b9\u7684\u6570\u636e\u548c\u5de6\u53f3\u5b50\u8282\u70b9\u6307\u9488\u3002<\/p>\n
\u00a0<\/p>\n
（\u4e8c）\u4e8c\u53c9\u6811\u7684\u904d\u5386<\/p>\n
\u00a0<\/p>\n
1.\u00a0\u524d\u5e8f\u904d\u5386：\u5148\u8bbf\u95ee\u6839\u8282\u70b9，\u518d\u9012\u5f52\u5730\u8bbf\u95ee\u5de6\u5b50\u6811，\u6700\u540e\u9012\u5f52\u5730\u8bbf\u95ee\u53f3\u5b50\u6811\u3002<\/p>\n
\u00a0<\/p>\n
\/\/ \u524d\u5e8f\u904d\u5386\u4e8c\u53c9\u6811<\/p>\n
void preOrderTraversal(TreeNode* root) {<\/p>\n
\u00a0 \u00a0 if (root != NULL) {<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 printf("%d ", root->data);<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 preOrderTraversal(root->left);<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 preOrderTraversal(root->right);<\/p>\n
\u00a0 \u00a0 }<\/p>\n
}<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
2.\u00a0\u4e2d\u5e8f\u904d\u5386：\u5148\u9012\u5f52\u5730\u8bbf\u95ee\u5de6\u5b50\u6811，\u518d\u8bbf\u95ee\u6839\u8282\u70b9，\u6700\u540e\u9012\u5f52\u5730\u8bbf\u95ee\u53f3\u5b50\u6811\u3002<\/p>\n
\u00a0<\/p>\n
\/\/ \u4e2d\u5e8f\u904d\u5386\u4e8c\u53c9\u6811<\/p>\n
void inOrderTraversal(TreeNode* root) {<\/p>\n
\u00a0 \u00a0 if (root != NULL) {<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 inOrderTraversal(root->left);<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 printf("%d ", root->data);<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 inOrderTraversal(root->right);<\/p>\n
\u00a0 \u00a0 }<\/p>\n
}<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
3.\u00a0\u540e\u5e8f\u904d\u5386：\u5148\u9012\u5f52\u5730\u8bbf\u95ee\u5de6\u5b50\u6811，\u518d\u9012\u5f52\u5730\u8bbf\u95ee\u53f3\u5b50\u6811，\u6700\u540e\u8bbf\u95ee\u6839\u8282\u70b9\u3002<\/p>\n
\u00a0<\/p>\n
\/\/ \u540e\u5e8f\u904d\u5386\u4e8c\u53c9\u6811<\/p>\n
void postOrderTraversal(TreeNode* root) {<\/p>\n
\u00a0 \u00a0 if (root != NULL) {<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 postOrderTraversal(root->left);<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 postOrderTraversal(root->right);<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 printf("%d ", root->data);<\/p>\n
\u00a0 \u00a0 }<\/p>\n
}<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
（\u4e09）\u63d2\u5165\u8282\u70b9（\u4ee5\u6784\u5efa\u4e8c\u53c9\u641c\u7d22\u6811\u4e3a\u4f8b）<\/p>\n
\u00a0<\/p>\n
\u4e8c\u53c9\u641c\u7d22\u6811\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u4e8c\u53c9\u6811，\u5bf9\u4e8e\u6811\u4e2d\u7684\u6bcf\u4e2a\u8282\u70b9，\u5176\u5de6\u5b50\u6811\u4e2d\u6240\u6709\u8282\u70b9\u7684\u503c\u90fd\u5c0f\u4e8e\u8be5\u8282\u70b9\u7684\u503c，\u53f3\u5b50\u6811\u4e2d\u6240\u6709\u8282\u70b9\u7684\u503c\u90fd\u5927\u4e8e\u8be5\u8282\u70b9\u7684\u503c\u3002<\/p>\n
\u00a0<\/p>\n
\/\/ \u5411\u4e8c\u53c9\u641c\u7d22\u6811\u63d2\u5165\u8282\u70b9<\/p>\n
TreeNode* insert(TreeNode* root, int value) {<\/p>\n
\u00a0 \u00a0 if (root == NULL) {<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 return createTreeNode(value);<\/p>\n
\u00a0 \u00a0 }<\/p>\n
\u00a0 \u00a0 if (value < root->data) {<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 root->left = insert(root->left, value);<\/p>\n
\u00a0 \u00a0 } else if (value > root->data) {<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 root->right = insert(root->right, value);<\/p>\n
\u00a0 \u00a0 }<\/p>\n
\u00a0 \u00a0 return root;<\/p>\n
}<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
\u4e94\u3001\u4e8c\u53c9\u6811\u7684\u5e94\u7528\u5b9e\u4f8b<\/p>\n
\u00a0<\/p>\n
（\u4e00）\u8868\u8fbe\u5f0f\u6811<\/p>\n
\u00a0<\/p>\n
\u5728\u7f16\u8bd1\u5668\u4e2d，\u8868\u8fbe\u5f0f\u6811\u7528\u4e8e\u8868\u793a\u7b97\u672f\u8868\u8fbe\u5f0f\u3002\u4f8b\u5982，\u5bf9\u4e8e\u8868\u8fbe\u5f0f \u00a0(3 + 4) * 2\u00a0 ，\u53ef\u4ee5\u6784\u5efa\u4e00\u68f5\u4e8c\u53c9\u6811，\u6839\u8282\u70b9\u4e3a \u00a0*\u00a0 ，\u5de6\u5b50\u6811\u8868\u793a \u00a0(3 + 4)\u00a0 ，\u53f3\u5b50\u6811\u8868\u793a \u00a02\u00a0 \u3002\u901a\u8fc7\u5bf9\u8868\u8fbe\u5f0f\u6811\u8fdb\u884c\u904d\u5386，\u53ef\u4ee5\u5b9e\u73b0\u8868\u8fbe\u5f0f\u7684\u6c42\u503c\u7b49\u64cd\u4f5c\u3002<\/p>\n
\u00a0<\/p>\n
（\u4e8c）\u6587\u4ef6\u7cfb\u7edf\u76ee\u5f55\u7ed3\u6784\u6a21\u62df<\/p>\n
\u00a0<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7528\u4e8c\u53c9\u6811\u6765\u6a21\u62df\u7b80\u5355\u7684\u6587\u4ef6\u7cfb\u7edf\u76ee\u5f55\u7ed3\u6784，\u6839\u8282\u70b9\u8868\u793a\u6839\u76ee\u5f55，\u5b50\u8282\u70b9\u8868\u793a\u5b50\u76ee\u5f55\u6216\u6587\u4ef6\u3002\u901a\u8fc7\u5bf9\u4e8c\u53c9\u6811\u7684\u64cd\u4f5c，\u53ef\u4ee5\u5b9e\u73b0\u76ee\u5f55\u7684\u521b\u5efa\u3001\u5220\u9664\u4ee5\u53ca\u6587\u4ef6\u7684\u67e5\u627e\u7b49\u529f\u80fd\u3002<\/p>\n
\u00a0<\/p>\n
\u516d\u3001\u603b\u7ed3<\/p>\n
\u4e8c\u53c9\u6811\u5728C\u8bed\u8a00\u4e2d\u901a\u8fc7\u7ed3\u6784\u4f53\u548c\u6307\u9488\u5b9e\u73b0，\u5176\u4e30\u5bcc\u7684\u64cd\u4f5c\u548c\u5e7f\u6cdb\u7684\u5e94\u7528\u4f7f\u5176\u6210\u4e3a\u6570\u636e\u7ed3\u6784\u5b66\u4e60\u4e2d\u7684\u91cd\u8981\u5185\u5bb9\u3002\u901a\u8fc7\u638c\u63e1\u4e8c\u53c9\u6811\u7684\u6784\u5efa\u3001\u904d\u5386\u4ee5\u53ca\u5404\u79cd\u64cd\u4f5c，\u6211\u4eec\u80fd\u591f\u66f4\u597d\u5730\u89e3\u51b3\u5b9e\u9645\u7f16\u7a0b\u4e2d\u7684\u95ee\u9898，\u65e0\u8bba\u662f\u5904\u7406\u6570\u636e\u7684\u5b58\u50a8\u3001\u7ec4\u7ec7\u8fd8\u662f\u7b97\u6cd5\u7684\u5b9e\u73b0，\u4e8c\u53c9\u6811\u90fd\u80fd\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u5927\u5bb6\u5bf9C\u8bed\u8a00\u4e2d\u7684\u4e8c\u53c9\u6811\u6709\u66f4\u6df1\u5165\u7684\u7406\u89e3，\u5728\u7f16\u7a0b\u5b9e\u8df5\u4e2d\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e00\u5f3a\u5927\u7684\u6570\u636e\u7ed3\u6784\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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