LeetCode 1748. Sum of Unique Elements (唯一元素的和) 题目 链接 https://leetcode-cn.com/problems/sum-of-unique-elements/ 问题描述 给你一个整数数组 nums 。数组中唯一元素是那些只出现 恰好一次 的元素。 请你返回 nums 中唯一元素的 和。 示例 输入:nums = [1,2,3,2] 输出:4 解释:唯一元素为...
You are given an integer array nums. The unique elements of an array are the elements that appear exactly once in the array. Return the sum of all the unique elements of nums. Example 1: Input: nums = [1,2,3,2] Output: 4 Explanation: The unique elements are [1,3], and the sum...
Can you solve this real interview question? Sum of Unique Elements - You are given an integer array nums. The unique elements of an array are the elements that appear exactly once in the array. Return the sum of all the unique elements of nums. Exam
You are given an integer arraynums. In one move, you can pick an indexiwhere0 <= i < nums.lengthand incrementnums[i]by1. Returnthe minimum number of moves to make every value innumsunique. The test cases are generated so that the answer fits in a 32-bit integer. Example 1: Input...
945. Minimum Increment to Make Array Unique 难度:m 1. res: # current moves d: the number of all duplicates. if n is the same as the past elements: d++ else: try to insert numbers between n and pre if could insert all, move other duplicates to be the same as n. ...
You are given an array of stringsarr. A stringsis formed by the concatenation of a subsequence ofarrthat has unique characters. Returnthe maximum possible lengthofs. A subsequence is an array that can be derived from another array by deleting some or no elements without changing the order of...
php 排好序的数组去重 array_unique * shrink.php<?php/** * $a = [1, 2, 3, 4, 5, 5, 5] * arrayshrink($a, 4, 7); // $a = [1,2,3,4,5] * remove elements from $start+1 to $end-1 */function arrayshrink(array& $arr, int $start... php array unique distinct i+...
0186-Reverse-Words-in-a-String-II 0188-Best-Time-to-Buy-and-Sell-Stock-IV 0189-Rotate-Array 0191-Number-of-1-Bits 0198-House-Robber 0200-Number-of-Islands 0202-Happy-Number 0203-Remove-Linked-List-Elements 0205-Isomorphic-Strings 0206-Reverse-Linked-List 0207-Course-S...
publicint[]sumZero(intn){int[] A =newint[n];for(inti =0; i < n; ++i) A[i] = i *2- n +1;returnA; } 这个solution是通过找对称性规律直接在Array[i]里赋相反值达到的效果 评论里提出我的代码n==2时返回的数组是{0,0},这违反了题目中的一致性。
Given an array of integers arr and an integer k. Find the least number of unique integers after removing exactly k elements. Example 1: Input: arr = [5,5,4], k = 1 Output: 1 Explanation: Remove the single 4, only 5 is left. ...