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https://github.com/krahets/hello-algo.git
synced 2026-07-09 22:16:06 +00:00
Format the C code in Clang-Format Style: Microsoft
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@@ -15,7 +15,7 @@ typedef struct binarySearchTree binarySearchTree;
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int sortIntHelper(const void *a, const void *b) {
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// 从小到大排序
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return (*(int *) a - *(int *) b);
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return (*(int *)a - *(int *)b);
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}
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/* 构建二叉搜索树 */
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@@ -33,7 +33,7 @@ TreeNode *buildTree(int nums[], int i, int j) {
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}
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binarySearchTree *newBinarySearchTree(int nums[], int size) {
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binarySearchTree *bst = (binarySearchTree *) malloc(sizeof(binarySearchTree));
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binarySearchTree *bst = (binarySearchTree *)malloc(sizeof(binarySearchTree));
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TreeNode *root;
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// 从小到大排序数组
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qsort(nums, size, sizeof(int), sortIntHelper);
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@@ -108,7 +108,8 @@ void removeNode(binarySearchTree *bst, int num) {
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// 循环查找,越过叶节点后跳出
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while (cur != NULL) {
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// 找到待删除节点,跳出循环
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if (cur->val == num) break;
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if (cur->val == num)
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break;
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pre = cur;
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if (cur->val < num) {
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// 待删除节点在 root 的右子树中
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@@ -159,13 +160,11 @@ int main() {
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TreeNode *node = search(bst, 7);
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printf("查找到的节点对象的节点值 = %d\n", node->val);
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/* 插入节点 */
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insert(bst, 16);
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printf("插入节点 16 后,二叉树为\n");
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printTree(getRoot(bst));
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/* 删除节点 */
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removeNode(bst, 1);
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printf("删除节点 1 后,二叉树为\n");
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@@ -10,11 +10,11 @@
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int main() {
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/* 初始化二叉树 */
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// 初始化节点
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TreeNode* n1 = newTreeNode(1);
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TreeNode* n2 = newTreeNode(2);
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TreeNode* n3 = newTreeNode(3);
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TreeNode* n4 = newTreeNode(4);
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TreeNode* n5 = newTreeNode(5);
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TreeNode *n1 = newTreeNode(1);
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TreeNode *n2 = newTreeNode(2);
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TreeNode *n3 = newTreeNode(3);
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TreeNode *n4 = newTreeNode(4);
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TreeNode *n5 = newTreeNode(5);
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// 构建引用指向(即指针)
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n1->left = n2;
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n1->right = n3;
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@@ -24,7 +24,7 @@ int main() {
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printTree(n1);
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/* 插入与删除节点 */
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TreeNode* P = newTreeNode(0);
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TreeNode *P = newTreeNode(0);
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// 在 n1 -> n2 中间插入节点 P
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n1->left = P;
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P->left = n2;
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@@ -15,14 +15,14 @@ int *levelOrder(TreeNode *root, int *size) {
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TreeNode **queue;
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/* 辅助队列 */
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queue = (TreeNode **) malloc(sizeof(TreeNode) * MAX_NODE_SIZE);
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queue = (TreeNode **)malloc(sizeof(TreeNode) * MAX_NODE_SIZE);
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// 队列指针
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front = 0, rear = 0;
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// 加入根节点
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queue[rear++] = root;
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// 初始化一个列表,用于保存遍历序列
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/* 辅助数组 */
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arr = (int *) malloc(sizeof(int) * MAX_NODE_SIZE);
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arr = (int *)malloc(sizeof(int) * MAX_NODE_SIZE);
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// 数组指针
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index = 0;
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while (front < rear) {
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@@ -45,7 +45,6 @@ int *levelOrder(TreeNode *root, int *size) {
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return arr;
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}
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/* Driver Code */
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int main() {
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/* 初始化二叉树 */
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@@ -63,4 +62,4 @@ int main() {
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printArray(arr, size);
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return 0;
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}
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}
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@@ -11,7 +11,8 @@ int *arr;
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/* 前序遍历 */
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void preOrder(TreeNode *root, int *size) {
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if (root == NULL) return;
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if (root == NULL)
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return;
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// 访问优先级:根节点 -> 左子树 -> 右子树
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arr[(*size)++] = root->val;
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preOrder(root->left, size);
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@@ -20,7 +21,8 @@ void preOrder(TreeNode *root, int *size) {
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/* 中序遍历 */
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void inOrder(TreeNode *root, int *size) {
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if (root == NULL) return;
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if (root == NULL)
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return;
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// 访问优先级:左子树 -> 根节点 -> 右子树
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inOrder(root->left, size);
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arr[(*size)++] = root->val;
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@@ -29,14 +31,14 @@ void inOrder(TreeNode *root, int *size) {
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/* 后序遍历 */
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void postOrder(TreeNode *root, int *size) {
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if (root == NULL) return;
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if (root == NULL)
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return;
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// 访问优先级:左子树 -> 右子树 -> 根节点
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postOrder(root->left, size);
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postOrder(root->right, size);
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arr[(*size)++] = root->val;
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}
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/* Driver Code */
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int main() {
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/* 初始化二叉树 */
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@@ -49,7 +51,7 @@ int main() {
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/* 前序遍历 */
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// 初始化辅助数组
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arr = (int *) malloc(sizeof(int) * MAX_NODE_SIZE);
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arr = (int *)malloc(sizeof(int) * MAX_NODE_SIZE);
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size = 0;
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preOrder(root, &size);
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printf("前序遍历的节点打印序列 = ");
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