https://leetcode.com/problems/intersection-of-two-arrays/?tab=Description 一开始没弄清题意,以为是像intersection of two linked lists那样找交点,但实际上不是。其实是找两个数组的交集,即把两个数组中都有的元素不重不漏地找出来,所以其实比linked list的交点要简单。 思路1:Hash Set 首先把一个数组的所...
1、这道题给定两个vector,要求返回两个vector的交集,比如nums1=[1,2,2,1],nums2=[2,2],返回的交集是[2,2],其中有多少个相同的元素就返回多少个。返回的交集不讲究顺序。 2、这道题看完题意,熟悉leetcode的同学应该会马上想到先排序,排序之后的两个vector来比较,时间复杂度会下降很多。 如果不排序,那就...
nums2) {7let set =newSet(nums1);8let res =newSet();9for(let i = 0; i < nums2.length; i++) {10if(set.has(nums2[i])) {11res.add(nums2[i]);12}13}14returnArray.from(res);15};
LeetCode.349--intersection-of-two-arrays 一、题目链接 两个数组的交集 二、题目描述 给定两个数组nums1和nums2,返回它们的交集。输出结果中的每个元素一定是 唯一 的。我们可以 不考虑输出结果的顺序 。 示例1: 输入:nums1 = [1,2,2,1], nums2 = [2,2...
Can you solve this real interview question? Intersection of Two Arrays II - Given two integer arrays nums1 and nums2, return an array of their intersection. Each element in the result must appear as many times as it shows in both arrays and you may retur
https://leetcode.com/explore/interview/card/top-interview-questions-easy/92/array/674/leetcode.com/explore/interview/card/top-interview-questions-easy/92/array/674/ Solutions: 1. Sort and merge: We firstly sort the two arrays and use two pointers to compare the elements in the two arrays...
Explanation: Consider the set S = {2, 3, 4}. For each interval, there are at least 2 elements from S in the interval. Also, there isn't a smaller size set that fulfills the above condition. Thus, we output the size of this set, which is 3. ...
* @return an integer array */publicint[]intersection(int[]nums1,int[]nums2){// Write your code hereArrays.sort(nums1);Arrays.sort(nums2);inti=0,j=0;int[]temp=newint[nums1.length];intindex=0;while(i<nums1.length&&j<nums2.length){if(nums1[i]==nums2[j]){if(index==0||temp...
【leetcode】1296. Divide Array in Sets of K Consecutive Numbers 2019-12-23 10:48 −题目如下: Given an array of integers nums and a positive integer k, find whether it's possible to divide this array into sets of ... seyjs
//leetcode.com/discuss/interview-question/914249/Uber-or-Phone-or-Union-and-Intersection-of-Two-Sorted-Interval-Lists */ public class UnionAndIntersectionOfTwoSortedIntervalLists { public static void main(String[] args) { } public int[][] intersectionOfTwoIntervals(int[][] a, int[][] b) ...