Given an array of integers, find out whether there are two distinct indicesiandjin the array such that the absolute difference between nums[i] and nums[j] is at mosttand the absolute difference betweeniandjis at mostk. 找出数组中有没有最多相距k,同时最大相差t的两个数。 1、第一次超时,...
217. Contains Duplicate Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct. 题目大意: 在数组中找到任意字符出现次数大于等于2次就返回tr...
leetcode:Contains Duplicate和Contains Duplicate II 一、Contains Duplicate Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct. 分析:先把...
leetCode 217. Contains Duplicate 数组 217. Contains Duplicate Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct. 题目大意: 在数组中...
【Leetcode】Contains Duplicate 题目链接:https://leetcode.com/problems/contains-duplicate/ 题目: Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element...
4 c#解法。public class Solution {public bool ContainsNearbyAlmostDuplicate(int[] nums, int k, int t) {var len = nums.Length;var arr = nums.Select(((num, index) => new {num, index})).OrderBy(u => u.num).ToArray();for (int i = 0; i < len; i++)for (int j = i + 1...
Given an integer arraynums, returntrueif any value appears at least twice in the array, and returnfalseif every element is distinct. 给定一个整数数组nums,如果数组中至少有一个元素重复出现,则返回true;如果数组中的每个元素都是唯一的,则返回false。 Input: nums = [1,2,3,1] Output: true Input...
LeetCode 652: 寻找重复的子树 Find Duplicate Subtrees 2019-12-10 18:31 −# LeetCode 652: 寻找重复的子树 Find Duplicate Subtrees ### 题目: 给定一棵二叉树,返回所有重复的子树。对于同一类的重复子树,你只需要返回其中任意**一棵**的根结点即可。 两棵树重复是指它们具有相同的结构以及相同的结点值...
【leetcode】1269. Number of Ways to Stay in the Same Place After Some Steps 2019-12-15 09:17 −题目如下: You have a pointer at index 0 in an array of size arrLen. At each step, you can move 1 position to the left, 1 position to the r... ...
leetcode 217 Contains duplicate Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct. ...