https://leetcode.cn/problems/minimum-time-to-make-array-sum-at-most-x 这道题代码很好写,但思路非常难想到。重复操作相同下标一定是血亏的,而根据排序不等式,如果选了一些下标j,则对应nums2元素较大的j应该尽量晚操作。因此正解是转化为二维DP,状态定义为前i个数(注意是按nums2从小到大排好的前i个)中...
LeetCode Top Interview Questions 217. Contains Duplicate (Java版; Easy) 题目描述 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....
LeetCode Top 100 Liked Questions 34. Find First and Last Position of Element in Sorted Array(Java版; Medium) 题目描述 Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. Your algorithm's runtime complexity must be in the...
LeetCode Top Interview Questions https://leetcode.com/problemset/top-interview-questions/
这个列表中有78道题目,是leetcode上top interview questions中的。原本是有145道题目,但是部分题目和top 100 liked questions是重复的(见另一篇文章), 因此这里就只保留了和top 100列表中不同的题目。 7 Reverse Integer 25.20% Easy 8 String to Integer (atoi) 14.50% Medium ...
LeetCode 指南语言: Java 说明: 每道题在代码头部都添加了我的解题思路和批注,Eg: /*** * 287. Find the Duplicate Number * 题意:n+1个数属于[1~n],找出重复的那个数 * 难度:Medium * 分类:Array, Two Pointers, Binary Search * 思路:如果nums[i]不在对应位置,则和对应位置交换。如果对应位置上...
Master array interviews with our Top 50 Array Interview Questions and Answers guide. Ace technical assessments and excel in coding interviews effortlessly.
A: 使用快速选择解决,什么是快速选择我就不解释了,这里有Top K 问题的最优解 - 快速选择算法(Quickselect) - 知乎 (zhihu.com),我也只是把这个过程用C++自己实现了一下。 下面是一个测试该算法的链接。 力扣leetcode.cn/problems/kth-largest-element-in-an-array/submissions/405078306/ #include <bits/...
11. Missing numberhttps://leetcode.com/problems/missing-number Given an arraynumscontainingndistinct numbers in the range[0, n], returnthe only number in the range that is missing from the array. sum(0:n) - sum(nums[0]:nums[n-1]) ...
import java.util.ArrayList; import java.util.LinkedList; import java.util.List; import java.util.Stack; /** * Created on: Nov 14, 2020 * Questions: https://leetcode.com/discuss/interview-question/914249/Uber-or-Phone-or-Union-and-Intersection-of-Two-Sorted-Interval-Lists */ public class ...