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 Interview Questions 334. Increasing Triplet Subsequence (Java版; Medium) 题目描述 Given an unsorted array return whether an increasing subsequence of length 3 exists or not in the array. Formally the function should: Return true if there exists i, j, k such that arr[i] < arr[...
73 Set Matrix Zeroes 39.00% Medium 88 Merge Sorted Array 34.90% Easy 91 Decode Ways 21.90% Medium 103 Binary Tree Zigzag Level Order Traversal 40.60% Medium 108 Convert Sorted Array to Binary Search Tree 49.40% Easy 116 Populating Next Right Pointers in Each Node 36.90% Medium 118 Pascal's ...
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Ans: Yes, the above code will be executed successfully. It will not cause any problem. The output is Radius of circle: 1.0 Area of circle: 3.141592653589793 What is meant by tightly encapsulated class in Java? Ans: If each variable is declared as private within the cl...
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TopInterview.md readme.md Repository files navigation README 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 * ...
[LeetCode] 230. Kth Smallest Element in a BST 题目内容 https://leetcode-cn.com/problems/kth-smallest-element-in-a-bst/ 给定一个二叉搜索树,编写一个函数 kthSmallest 来查找其中第 k 个最小的元素。 说明: 你可以假设 k 总是有效的,1 ≤ k ≤ 二叉搜索树元素个数。 题目思路 记住,二叉搜索...
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