publicList<String>twoSum(int[] arr,intsum){if(arr ==null|| arr.length ==0) {returnnewArrayList<>(); } List<String> st =newArrayList<>(); Map<Integer, Integer> map =newHashMap<>();for(inti=0; i < arr.length; i++) {// 查看数组中是否存在当前值和目标值差的值if(map.containsKe...
Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would haveexactlyone solution, and you may not use thesameelement twice. Example: Given nums = [2, 7, 11, 15], target = 9, Because nums[0] +...
AI代码解释 1// 对撞指针2// 时间复杂度: O(n)3// 空间复杂度: O(1)4class Solution{5public:6vector<int>twoSum(vector<int>&numbers,int target){7int l=0,r=numbers.size()-1;8while(l<r){9if(numbers[l]+numbers[r]==target){10int res[2]={l+1,r+1};11returnvector<int>(res,re...
1. Merging Two ArrayLists Retaining All Elements This approach retains all the elements from both lists, including duplicate elements. The size of the merged list will be arithmetic sum of the sizes of both lists. 1.1. UsingList.addAll() TheaddAll()method is the simplest way toappend all ...
Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two numbers such that they add up to the target, where index1 must be less than index2. Please note that your returned answers (both index1...
an array of inherited classes An error "#endregion directive expected" in UIMap.cs when trying to build my CodedUI tests An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration ...
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BlackYao 0 247 1. Two Sum 2019-12-25 11:46 −Kotlin class Solution { fun twoSum(nums: IntArray, target: Int): IntArray { val v2i: MutableMap<Int,Int> = mutableMapOf() for((inde... BlackYao 0 179 <1>