[Leetcode]-containsNearbyDuplicate

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[Leetcode]-containsNearbyDuplicate

//题目: //给定一个整数数组与一个整数k,当且存在两个不同的下标i和j满足nums[i] = nums[j]而且| i - j | <= k时返回true.否则返回false. #include <stdlib.h> #include <stdio.h> #include <stdbool.h> //注意: 当K >= numsSize的时候 //愤慨的解法1300ms 哭晕在厕所 bool containsNearbyDuplicate(int* nu…

[LeetCode] Contains Duplicate II 包含重复值之二

Given an array of integers and an integer k, return true if and only if there are two distinct indices i and j in the array such that nums[i] = nums[j] and the difference between i and j is at most k. (Old Version) Given an array of integers and an i…

Leetcode分类刷题答案&心得

Array 448.找出数组中所有消失的数要求:整型数组取值为 1 ≤ a[i] ≤ n,n是数组大小,一些元素重复出现,找出[1,n]中没出现的数,实现时时间复杂度为O(n),并不占额外空间思路1:(discuss)用数组下标标记未出现的数,如出现4就把a[3]的数变成负数,当查找时判断a的正负就能获取下标 tips:注意数组溢出 public List<Integer> findDisappearedNumbers(int[] nums) { List<Integer> d…

python leetcode 日记 --Contains Duplicate II --219

题目: Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that nums[i] = nums[j] and the difference between i and jis at most k. 给定一个整形数组和一个整数型数k,找出在这个数组中是否存在两个相同的数,并且这两个数的下标的距离小于k. "&q…

leetcode面试准备:Contains Duplicate I && II

1 题目 Contains Duplicate I 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. 接口: public bo…

LeetCode 219. Contains Duplicate II （包含重复项之二）

Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that nums[i] = nums[j] and the absolute difference between i and j is at most k. 题目标签:Array, Hash Table 题目给了我们一个nums array 和一个 k, 让…