题目: Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 题解: 递归。 C++版: class Solution {public:TreeNode* sortedListToBST(ListNode* head)
Follow up for "Find Minimum in Rotated Sorted Array": What if duplicates are allowed? Would this affect the run-time complexity? How and why? Suppose a sorted array is rotated at some pivot unknow
题目 Follow up for “Find Minimum in Rotated Sorted Array”: What if duplicates are allowed? Would this affect the run-time complexity? How and why? 分析 题目改成了可能会重复,经典测试例是【1,1,1,10,10】 所以要考虑相等的情况。如果遇到
A. Boys and Girls 水题啊,但是却是我最大的痛,由于没弄清题意,结果重测时没想到竟然WA了,最后导致我才2题悲剧地掉rating了不想解释了... B. Physics Practical 题目大意:给一个序列,要让这个序列的最小值x,最大值y,满足x*2 >= y. 问最少需要删除几个数 我的思路: 这题和上一场的C题的方法是一样的。 先把这个序列A排序,然后