Given the intuition, the algorithm follows fairly simply. First, we sort the array, and then we compare each element to the previous element. Because there is exactly one duplicated element in the array, we know that the array is of at least length 2, and we can return the duplicate elem...
LeetCode:Two Sum 2019-12-15 09:26 −最近看大牛的博客,有提到LeetCode-OJ,于是也上去凑个热闹。不定期更新我做的题。 Given an array of integers, find t... 夜读春秋 0 100 LeetCode.1207-唯一的元素出现次数(Unique Number of Occurrences) ...
https://leetcode.com/discuss/61514/understood-solution-space-without-modifying-explanation https://leetcode.com/discuss/60830/solutions-explanation-space-without-changing-input-array https://leetcode.com/discuss/61086/java-time-and-space-solution-similar-find-loop-in-linkedlist https://leetcode.com/d...
The number of files given is in the range of [1,20000]. You may assume no files or directories share the same name in the same directory. You may assume each given directory info represents a unique directory. Directory path and file info are separated by a single blank space. Follow-up...
1980-Find-Unique-Binary-String.py 1980-find-unique-binary-string.py 1985-Find-The-Kth-Largest-Integer-In-The-Array.py 1985-find-the-kth-largest-integer-in-the-array.py 2013-Detect-Squares.py 2013-detect-squares.py 2017-Grid-Game.py 2017-grid-game.py 232-Implement-...
0387-First-Unique-Character-In-String 0394-Decode-String 0407-Trapping-Rain-Water-II 0445-Add-Two-Numbers-II 0447-Number-of-Boomerangs 0454-4Sum-II 0461-hamming-distance 0477-total-hamming-distance 0530-minimum-absolute-difference-in-bst 0540-Single-Element-in-a-Sorted-Array 0642...
LeetCode 1506. Find Root of N-Ary Tree(异或) 1. 题目 Given all the nodes of an N-ary tree as an array Node[] tree where each node has aunique value. Find and return the root of the N-ary tree. Follow up: Could you solve this problem inconstant spacecomplexity with alinear time...
[435. 无重叠区间](https://leetcode-cn.com/problems/non-overlapping-intervals/) 一维 方法一、模拟 方法二、并查集 [1569. 将子数组重新排序得到同一个二叉查找树的方案数](https://leetcode.cn/problems/number-of-ways-to-reorder-array-to-get-same-bst/) [LCS 03. 主题空间](https://leetcode.cn...
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 number, find the duplicate one. Submit your solution:https://leetcode.com/problems/find-the-duplicat...
https://leetcode.com/problems/find-duplicate-file-in-system/description/题目大意:输出系统中文件内容相同的文件名。Given a list of directory info including directory path, and all the files with contents in this directory, you need to find out all the groups of duplicate files in the file ...