Leetcode** 287. Find the Duplicate Number Description:Given an array of integersnumscontainingn + 1integers where each integer is in the range[1, n]inclusive. There is onlyone repeated numberinnums, returnthis repeated number. Link:287. Find the Duplicate Number Examples: Example 1: Input: ...
https://leetcode.com/problems/find-the-duplicate-number/description/ 287. Find the Duplicate Number Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), prove that at least one duplicate number must exist. Assume that there is only one duplicate ...
Find the Missing Number (easy) Find all Missing Numbers (easy) Find the Duplicate Number (easy) Find all Duplicate Numbers (easy) 6. Pattern: In-place Reversal of a LinkedList,链表翻转 在众多问题中,题目可能需要你去翻转链表中某一段的节点。通常,要求都是你得原地翻转,就是重复使用这些已经建好的...
Find the Missing Number (easy) Find all Missing Numbers (easy) Find the Duplicate Number (easy) Find all Duplicate Numbers (easy) 6. Pattern: In-place Reversal of a LinkedList,链表翻转 在众多问题中,题目可能需要你去翻转链表中某一段的节点。通常,要求都是你得原地翻转,就是重复使用这些已经建好的...
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借助find函数和equal_range函数可以找到上下界范围 使用二分法,写一个辅助函数,找到第一个大于等于target的位置 153 ratated array用二分法,rotate 以后,在分界出会有判断条件(在有序数组中也同样适用) 162 遍历一次即可。 300 dp方法,较慢 week3的题目出现过 ...
+ find_kth(A, m, B, n, total / 2 + 1)) / 2.0; } private: static int find_...
The total number of unique paths is2. 思路: 基于动态规划思想。首先要做初始化。初始化过程完成后,下一个状态都是由之前的状态生成的。不过需要注意的地方是有障碍物,有障碍物的地方用0添加即可。 图解如下: 右下角位置的值 = 其左边一个位置的值 + 其上边一个位置的值 ...
【162未】【FindPeakElement】 【167】【Two Sum II - Input array is sorted】 【191】【NumberOf1Bits】 【198】【HouseRobber】 【199】【BinaryTreeRightSideView】 【200】【NumberOfIslands】 【201】【BitwiseANDOfNumbersRange】 【202】【HappyNumber 】 ...
Given an array nums of n integers, are there elements a, b, c in nums such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero.Note:The solution set must not contain duplicate triplets.