C语言 | Leetcode C语言题解之第513题找树左下角的值

题目：

题解：

#define MAX_NODE_SIZE 10000int findBottomLeftValue(struct TreeNode* root){int ret;struct TreeNode** queue = (struct TreeNode **)malloc(sizeof(struct TreeNode) * MAX_NODE_SIZE);int head = 0;int tail = 0;queue[tail++] = root;while (head != tail) {struct TreeNode *p = queue[head++];if (p->right) {queue[tail++] = p->right;}if (p->left) {queue[tail++] = p->left;}ret = p->val;}free(queue);return ret;
}