Hi all, hope you are doing great 😀. It was probably a consequence of overconfidence and lack of focus from sleeping 3 hours the last night that the first easy problem which takes me 3. , "ace" is a subsequence of "abcde" while Test Result. Can you solve this real interview question? Copy List with Random Pointer - Level up your coding skills and quickly land a job. Dec 26, 2019 · Ex-Google TechLead explains why "leetcode" alone won't land you a software engineer job, and gives you a few tips & tricks on the behind the scenes of the te Can you solve this real interview question? Reorder List - Level up your coding skills and quickly land a job. Return the maximum profit you can achieve from this transaction. An island is surrounded by water and is formed by connecting adjacent lands horizontally or vertically. Longest Common Prefix - Level up your coding skills and quickly land a job. At each turn, the player takes one of the numbers from either end of the array (i. e. If there is no cycle, return null. Can you solve this real interview question? Longest Palindromic Substring - Given a string s, return the longest palindromic substring in s. 45mins HM 3. If I can recall there were 6 multiple choice Qs and 2 coding (1 small 1 large). There are worse approaches. Medium. HackerRank Valid Username Regular Expression problem solution. Minimize the Total Price of the Trips. A string a from words1 is universal if for every string b in words2, b is a subset of a Shortest Completing Word - Level up your coding skills and quickly land a job. Can you solve this real interview question? Permutation Sequence - The set [1, 2, 3, , n] contains a total of n! unique permutations. You must not use any built-in exponent function or operator. Find and return the maximum profit you can achieve. Note that you cannot buy on day 1, buy on day 2 and sell them later, as you are engaging multiple transactions at the same time Can you solve this real interview question? Diameter of Binary Tree - Level up your coding skills and quickly land a job. You are given two string arrays words1 and words2. Boost your coding interview skills and confidence by practicing real interview questions with LeetCode. Guess 2. 74. Write better code with AI. Basic to intermediate SQL topics 50 essential SQL questions Best for 1 month of prep time Can you solve this real interview question? Super Egg Drop - You are given k identical eggs and you have access to a building with n floors labeled from 1 to n. Example 1: Output: 167. Return the maximum coins you can collect by bursting the balloons wisely. Maximum Profit From Trading Stocks - LeetCode. That doesn’t mean it is THE worst swap in the sport’s history. * For example, do not use pow (x, 0. I recently applied for optiver new grad role and have an upcoming hackerrank discussion stage, I have no idea what to expect in this round (Apart from the hackerrank discussion). [1:41 PM, 9/24/2023] Meghana: Worst Trade ReporterYou are tasked with building a tool to analyze the profitability of trades (also known as "profit and loss" or PnL). Be the first to comment Nobody's responded to this post yet. After you sell your stock, you cannot buy stock on the next day (i. "132" 3. Example 1: Input: n = 3 Output: 5 Can you solve this real interview question? Linked List Cycle - Given head, the head of a linked list, determine if the linked list has a cycle in it. We have a sizable repository of interview resources for many companies. Example 2: Input: arr = [0,2,1,0] Output: 1. The only place I would have lost out on might have been Zap-n but I'm unsure. Converting a decimal place value into a Roman numeral has the following rules: * If the value does not Can you solve this real interview question? Linked List Cycle II - Given the head of a linked list, return the node where the cycle begins. However, you can buy it then immediately sell it on the same day. 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It's the best feeling when you make code by yourself and it works on first try for every test cases used at that time but failed 2 times on submitting really feeling disappointed . For the purpose of this problem, every trade has the following attributes:• TradelD - unique identifier for the trade Boost your coding interview skills and confidence by practicing real interview questions with LeetCode. Make Costs of Paths Equal in a Binary Tree. Security. Two submatrices (x1, y1, x2, y2) and (x1', y1', x2', y2') are different if they have some coordinate that is Can you solve this real interview question? Minimum Cost to Reach Destination in Time - Level up your coding skills and quickly land a job. Your total is $7 + $3 + $1 = $11. It probably isn’t even the worst trade made in the 2022 calendar year, thanks to the Cleveland Browns’ trade for Print Immutable Linked List in Reverse. GitHub Copilot. , the trade with the highest loss per lot, given a stream of trade and price update instructions. Word Subsets. Easy. If you want to use the doubly linked list, you will need one more Mar 7, 2024 · There is another layer to the legacy though, and it is this: No future compilation of the NFL’s worst trades will not include the Broncos’ swap for Wilson. I thought it was too funny and had to share. Return the linked list sorted as well. One question is a typical LC (easy-medium), the other is object-oriented design. s consist of only digits and English letters. Guess 1. HackerRank Pattern Syntax Checker problem solution. If i - 1 or i + 1 goes out of bounds of the array, then treat it as if there is a balloon with a 1 painted on it. You know that there exists a floor f where 0 <= f <= n such that any egg dropped at a floor higher than f will break, and any egg dropped at or below floor f will not break. Example 1: Input: s = "Let's take LeetCode contest" Output: "s'teL ekat edoCteeL tsetnoc" Example 2: Input: s = "Mr Ding" Output: "rM gniD" Constraints: * 1 <= s. Sep 24, 2023 · Computer Science. Given an integer n, return true if n is a perfect number, otherwise return false. But, I do this with actual humans present who rarely provided me good requirements so the first time I met them I was Can you solve this real interview question? Best Poker Hand - You are given an integer array ranks and a character array suits. Level up your coding skills and quickly land a job. , you must sell the stock before you buy again). Java. Explanation: 28 = 1 + 2 + 4 + 7 + 14. length <= 5 * 104 This contest was my worst in a long time. - If this is my number, your total is $7 + $3 = $10. 1290. Example 1: Input: nums = [3,4,5,1,2] Output: 1. 2673. 5 minutes to solve took more than 35, and 4 additional wrong submissions cost me a <1000 rank. Can you solve this real interview question? Reorder List - You are given the head of a singly linked-list. edu Manfred K. We are creating a tool (PnLCalculator) to report the worst trade, i. Example 1: Input: head = [1,2,3,3,4,4,5] Output: [1,2,5] Example 2: Can you solve this real interview question? Construct String With Repeat Limit - Level up your coding skills and quickly land a job. By listing and labeling all of the permutations in order, we get the following sequence for n = 3: 1. Aug 17, 2022 · A top competitive programmer from the Codeforces/CodeChef realm (with almost zero prior interview experience) takes on the most annoying questions known to L Leetcode is the least worst solution to the problem of trying to figure out who can solve problems. Explanation: The original array was [1,2,3,4,5] rotated 3 times. Output: true. Instant dev environments. Example 1: Input: s = "babad" Output: "bab" Explanation: "aba" is also a valid answer. Can you solve this real interview question? Sort Colors - Level up your coding skills and quickly land a job. You are given an m x n integer matrix matrix with the following two properties: Each row is sorted in non-decreasing order. Explanation: Buy on day 1 (price = 1) and sell on day 5 (price = 5), profit = 5-1 = 4. edu Joel Yellin Division of Physical and Biological Sciences UC Santa Cruz yellin@soe. Mind you, that was a bulk of the work I did for a few years so you'd think I know this. make sure to ace the last Q (it is said in the preface it is most important), which requires cca. Given the root of a binary tree, return the level order traversal of its nodes' values. Department of Computer Science UC Santa Cruz manfred@cse. One on-site, The recruiter, Catherine, was very unprofessional and impolite. . You can choose to use a singly or doubly linked list. You must write an algorithm that runs in O(log n) time. Parth Vyas, a software engineer at Microsoft, formerly of RBC, researched which coding problemson Leetcode are most likely to come up in tech interviews. I interviewed at Optiver in 8/1/2023. (i. - If my number is higher, it must be 2. 2646. 13 votes, 11 comments. 1. I failed this hacker rank assessment today. length Level up your coding skills and quickly land a job. Optiver hackerrank discussion. Assessment will have 2 coding questions, 20MCQs mostly on network protocols and a Zap-N test (some brain games). HackerRank Java String Tokens problem solution. Both players start the game with a score of 0. , cooldown one day). You are given an integer mountain array arr of length n where the values increase to a peak element and then decrease. You may assume all four edges of the grid are all surrounded by water. Worst Time and Space Complexity, Readability, Cleanliness. i checked and you have to graduate between dec 2022 and spring 2023 but i put i graduated may 2022 (which i just did) and i still got the OA for graduate soft eng in austin for 2023. Jacob Abernethy∗. Can you solve this real interview question? Kth Largest Element in an Array - Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. The worst case in all these scenarios is that you pay $16. They asked me to diagram what they described as a cloud migration. LaOnionLaUnion. If you cannot achieve any profit, return 0. Return the index of the peak element. Explanation: Buy on day 2 (price = 1) and sell Automate any workflow. Explanation: transactions = [buy, sell, cooldown, buy, sell] Example 2: Output: 0. Which leetcode question is the absolute worst? I think Integer to English word is one of the worst questions I’ve come across on leetcode. Question: For both Facebook and Apple, we do exactly one bad trade which is hence also the worst trade for each instrument. so im still gonna take it bc i assume they looked at my resume and you have to fill out your grad date on the application anyway. Note: You may not engage in multiple transactions simultaneously (i. Hard. Especially if you haven’t seen that question before It makes me think that the Interviewer most likely came with the mindset to reject you by asking that question. Given the head of a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example, "wrr" is a subset of "warrior" but is not a subset of "world". HackerRank Java Anagrams problem solution. Learning to use regular expression on google helps a lot. The first integer of each row is greater than the last integer of the previous row. I felt like I did pretty well for my OA as it was medium difficulty question and my mcqs were also pretty much correct. 2h coding and was not as straightforward as it looked. Can you solve this real interview question? Is Subsequence - Given two strings s and t, return true if s is a subsequence of t, or false otherwise. Add your thoughts and get the conversation going. Sep 29, 2023 · I applied online. If anyone come up with same approach with modification msg me. ucsc. berkeley. 81. Expression Add Operators - Level up your coding skills and quickly land a job. Our platform offers a range of essential problems for practice, as well as the latest questions being asked by top-tier companies. High-level steps: Initialization: Crack SQL Interview in 50 Qs. If i - 1 or i + 1 goes out of bounds of the array, then treat it as if there is a balloon with a 1 painted on See Answer. 48K subscribers in the codingbootcamp community. Can you solve this real interview question? Diameter of Binary Tree - Level up your coding skills and quickly land a job. A submatrix x1, y1, x2, y2 is the set of all cells matrix[x][y] with x1 <= x <= x2 and y1 <= y <= y2. Packages. The third and last programming language I recommend is Java. Your task is to solve it in O(log(n)) time complexity. 2. Can you solve this real interview question? Count the Number of Experiments - Level up your coding skills and quickly land a job. In the past few years, our users have landed jobs at top companies around the world. . "231" 5. Sample Case 2 Sample input for custom testing: Expected output: NO BAD TRADES 1 4 Explanation: First WorstTrade query: - PNL from tradeID 1: (100−100)∗10=0. Host and manage packages. 82. Optimal Strategies from Random Walks. 0%. You want to maximize your profit by choosing a single day to buy one stock and choosing a different day in the future to sell that stock. May 20, 2024 · I interviewed at The Trade Desk. Sep 8, 2021 · 3rd. Can you solve this real interview question? Shortest Completing Word - Level up your coding skills and quickly land a job. There are even more time consuming approaches. If you burst the i th balloon, you will get nums[i - 1] * nums[i] * nums[i + 1] coins. Given an integer target, return true if target is in matrix or false otherwise. 200. Worst feeling for test case. "213" 4. "123" 2. Can you solve this real interview question? Minimum Absolute Difference - Given an array of distinct integers arr, find all pairs of elements with the minimum absolute difference of any two elements. HackerRank Java Regex 2 - Duplicate Words problem solution. Internally, pos is used to denote the index of the node that tail's next pointer is Maximum Repeating Substring - Level up your coding skills and quickly land a job. Can you solve this real interview question? Design Linked List - Design your implementation of the linked list. 94. val is the value of the current node, and next is a pointer/reference to the next node. Note that Feb 6, 2023 · Using Leetcode, we can find the answer. Rejected after Optiver OA. The only exception is problems that solely rely on an obscure computer science algorithm that isn't used anywhere else except for this problem, but you shouldn't be studying those on Leetcode, except for fun. 1 Leetcode easy and 1 medium question mostly on srocks, trading type. Each move, you may take an unbroken egg and drop it from any Test Result. Also, in my impression tests are not checked by human, so any quick-fixes Can you solve this real interview question? Integer to Roman - Seven different symbols represent Roman numerals with the following values: Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000 Roman numerals are formed by appending the conversions of decimal place values from highest to lowest. Number of Islands. Warmuth†. A subsequence of a string is a new string that is formed from the original string by deleting some (can be none) of the characters without disturbing the relative positions of the remaining characters. I usually attempt and solve it first before reading the solution and in one hour I came up with the worst code imaginable. At LeetCode, our mission is to help you improve yourself and land your dream job. Recruiter Phone Screen 2. "Flush": Five cards of the same suit. Computer Science questions and answers. Two players are playing a game with this array: player 1 and player 2. Occasionally there will be a new problem which hasn’t been solved and I find the solution using google. A subreddit dedicated to questions and discussions about coding Level up your coding skills and quickly land a job. Example 2: Input: nums = [1] Output: 1 Explanation: The subarray [1] has Can you solve this real interview question? Diameter of Binary Tree - Level up your coding skills and quickly land a job. , nums[0] or nums[nums Binary Tree Inorder Traversal - LeetCode. The problem statement is long and cluttered, so be prepare to read slowly and carefully. You are asked to burst all the balloons. As a side note, despite its diminishing popularity, I still believe There were hidden ones too , I think. Can you solve this real interview question? Binary Tree Postorder Traversal - Given the root of a binary tree, return the postorder traversal of its nodes' values. 916. Given an m x n 2D binary grid grid which represents a map of '1' s (land) and '0' s (water), return the number of islands. Can you solve this real interview question? Best Time to Buy and Sell Stock III - Level up your coding skills and quickly land a job. Given the sorted rotated array nums of unique elements, return the minimum element of this array. The following are the types of poker hands you can make from best to worst: 1. You have 5 cards where the ith card has a rank of ranks[i] and a suit of suits[i]. "321" Given n and k, return the kth permutation sequence. Can you solve this real interview question? Maximum Profit From Trading Stocks - Level up your coding skills and quickly land a job. Can you solve this real interview question? Online Majority Element In Subarray - Level up your coding skills and quickly land a job. It's arguably the most popular and widely used statically-typed language globally. Example 1: Input: prices = [7,1,5,3,6,4] Output: 5. The list can be represented as: L0 → L1 → … → Ln - 1 → Ln Reorder the list to be on the following form: L0 → Ln → L1 → Ln - 1 → L2 → Ln - 2 → … You may not modify the values in the list's nodes. I have scored 💯 in the online hackerrank test and thereby think that the discussion would Here's the breakdown: Software engineer test: A typical swe OA with 2 coding questions on HackerRank (2 hours time limit). Example 2: Can you solve this real interview question? Burst Balloons - Level up your coding skills and quickly land a job. Explanation: Buy on day 2 (price = 1) and sell on day 3 (price = 5), profit = 5-1 = 4. 60mins (Panel interview + HR + HM + Designer + UXR + PM + Eng) along with 45mins 1:1 4. Can you solve this real interview question? Maximum Subarray - Given an integer array nums, find the subarray with the largest sum, and return its sum. Apr 8, 2021 · If you burst the ith balloon, you will get nums[i - 1] * nums[i] * nums[i + 1] coins. 5 in python. 45. , from left to right, level by level). Example 1: Input: prices = [7,1,5,3,6,4] Output: 7. A node in a singly linked list should have two attributes: val and next. Example 1: Input: root = [3,9,20 Can you solve this real interview question? Diameter of Binary Tree - Level up your coding skills and quickly land a job. Convert Binary Number in a Linked List to Integer. The returned integer should be non-negative as well. Search a 2D Matrix. Internally, pos is used to denote the index of the node that tail's next pointer is connected to. There is a cycle in a linked list if there is some node in the list that can be reached again by continuously following the next pointer. Example 2: Input: s = "cbbd" Output: "bb" Constraints: * 1 <= s. 5) in c++ or x ** 0. Can you solve this real interview question? Predict the Winner - You are given an integer array nums. Example 1: Input: x = 4 Output: 2 Explanation: The Then buy on day 7 (price = 1) and sell on day 8 (price = 4), profit = 4-1 = 3. Applied for Software Engineer New Grad position got an email next day for assessment. A divisor of an integer x is an integer that can divide x evenly. Sometimes the problem will be a modified version of a leetcode problem. - If my number is lower, the range is [1,2]. Only nodes themselves may be changed. Your total is $7 + $3 + $5 = $15. Division of Computer Science UC Berkeley jake@cs. That may also be why most LeetCode solutions and many community posts are in Java. edu. Example 1: Input: nums = [-2,1,-3,4,-1,2,1,-5,4] Output: 6 Explanation: The subarray [4,-1,2,1] has the largest sum 6. Example 1: Input: num = 28. Player 1 and player 2 take turns, with player 1 starting first. A string b is a subset of string a if every letter in b occurs in a including multiplicity. I recently gave the OA for Optiver with the hackerrank, MCQs, and Zap-n, and was rejected today. - There are no trades that result in a loss (PNL Can you solve this real interview question? Number of Submatrices That Sum to Target - Given a matrix and a target, return the number of non-empty submatrices that sum to target. We would like to show you a description here but the site won’t allow us. It has a built-in PriorityQueue, too. Example 1: [https://assets Given an integer n, return the number of structurally unique BST's (binary search trees) which has exactly n nodes of unique values from 1 to n. Leetcode focuses on problem solving skills that are taught as part of higher education or the fundamentals of that higher education. Abstract. Otherwise, you pay $1. Though his research was FAANG focused, one problem popped up as particularly prevalent at Goldman Sachs, and it's one of the hardest. 1%. ADMIN MOD. Example 1: Output: 3. "312" 6. So I was just doing leetcode today, when I came across leetcode 17 Letter Combinations of a Phone Number. Codespaces. Can you solve this real interview question? Best Poker Hand - Level up your coding skills and quickly land a job. Can you solve this real interview question? Largest Rectangle in Histogram - Level up your coding skills and quickly land a job. Example 2: Input: prices = [1,2,3,4,5] Output: 4. pg kv rm fu jl yo cb bo vv dj