Stock market problem hackerrank This blog post delves All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. Problem Description: When constructing a portfolio in the stock market, there are multiple factors to consider. Can anybody see a problem with my code ? The goal is to help them to improve their code skills and also studying for coding interviews. - code_problems/Hackerrank/python/stock_market_prediction. HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications. Mar 27, 2025 · Top 25 Hackerrank Coding Questions is given in this page along with the Solutions in different languages so tha you ca practice more. Examples: Input: prices [] = {7, 10, 1, 3, 6, 9, 2} Output: 8 In-depth market analysis, real-time stock market data, research and earnings from CNBC. Again buy on day 4 and sell on day 6. By analyzing the data, try to identify the missing price for those particular days. If you cannot achieve Join over 28 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. John had a list of daily stock prices for a particular stock, and he wanted to calculate the "stock span" for each day. Solving code challenges on HackerRank is one of the best ways to prepare for programming interviews. Problem Once upon a time, there was a stock trader named John. If you meet the accreditation criteria, you can register for Forge’s Secondary Marketplace to buy private market stock. We help companies accurately assess, interview, and hire top developers for a myriad of roles. (WOT) will be for the next N days. Hello coders, in this post you will get all the solution of HackerRank SQL Solutions. Here is the code. Incoming AEH @Accenture | Tech Enthusiast | CSE @ VIT Vellore | 5⭐ Java @ HackerRank | Stock Market Aficionado · Final year Computer Science Engineering student, well versed in the fundamental computer science subjects and with the drive to solve problems. Dec 7, 2018 · [algo] DP : Stock maximize hacker rank Stock Maximize | HackerRank Your algorithms have become so good at predicting the market that can predict the share price of Wooden … Stock Maximize is a strategic approach aimed at maximizing profits through smart stock trading decisions. To achieve this, investors must analyze market trends, historical data, and financial indicators to make informed decisions. First i have explained the intuitive approach of solving using bruteforce in O(N2) t Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. HackerRank’s programming challenges can be solved in a variety of programming languages (including Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. total profit = 3 My solution sounds exactly like the answer given but for some reason my algorithm is not returning the correct answer for some large test cases . - saieshwar/Stock-Trade-API-Hackerrank Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. Match Equity Orders Solving code challenges on HackerRank is one of the best ways to prepare for programming interviews. The S&P 500 fell 1. hackerrank. One day, he came across a problem while analyzing the stock market data. Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. e. Get stock prices & access to pre-IPO shares in one place at Hiive. A condition exists that a person can only buy a maximum of 1 stock at a time and cannot own more than 1 stock for the company. These solutions can be used as a reference for other learners or as a way to practice and improve SQL skills. - code_problems/Hackerrank/python/non-primes-generator. . Better than official and forum solutions. Each solution includes a brief explanation of the problem and my approach to solving it. This repo is for Hackerrank challenges for IML. Crack your coding interview and get hired Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓. This video explains the stock span problem in the simplest way possible. - adminazhar/hackerrank-SQL-basic-skills-certification-test-solution All HackerRank solutions for Python, Java, SQL, C, C++, Algorithms, Data Structures. May 3, 2024 · HackerRank Springboot Test — Trades Api In this tutorial, we will discuss how to solve the Hacker Rank problem for writing REST Apis for trading stocks using Springboot and JPA. stock market sank to its worst day in a month and its second-worst since April. Previously worked as a Managed Network Expert at Chegg India, supporting students across the globe in understanding difficult CSE 📗 Solutions of more than 380 problems of Hackerrank accross several domains. Mar 29, 2022 · See HackerRank funding rounds, investors, investments, exits and more. For example, if the given array is {100, 180, 260, 310, 40, 535, 695}, the maximum profit can be earned by buying on day 0, and selling on day 3. Dec 13, 2023 · Real-time Data Analysis in Java Importance of real-time data analysis in stock market prediction Now, why is real-time data analysis such a big deal in the stock market prediction panorama, you wonder? Well, think swift decision-making! Real-time data analysis empowers us to ride the waves of market fluctuations and make lightning-fast predictions. Each day you need to do the problems in increasing difficulty and with a minimum level of variety. The span of the stock's price in one day is the maximum number of consecutive days (starting from that day and going backward) for which the stock price was less than or equal to the price of that day You need to complete problems which are sorted by difficulty and given numbered by variety. Certificate can be viewed here 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. However, navigating through its complexities can be daunting, especially for those new to investing. Aug 30, 2023 · FAQs Is the Largest Rectangle problem exclusive to Hackerrank? No, the problem can be found in various coding platforms and is used as a benchmark for assessing algorithmic skills. In each test case, the day's highest prices is missing for certain days. sql at master Dec 28, 2020 · I need some help solving the Stock maximize problem on hackerrank the problem is at this link https://www. As HackerRank is not publicly traded, purchasing its stock is not available to everyone. You may complete as many transactions as you like (i. Your algorithms have become so good at predicting the market that you now know what the share price of Wooden Orange Toothpicks Inc. This is a prototype for building a brokerage company's account and trades management platform. at/xldmm Solving data structure and algori Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. Prepare Functional Programming Functional Structures Stock Prediction Leaderboard Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. The constraints provide useful information about the problem's scale. Examples: Input: prices [] = [100, 180, 260, 310, 40, 535, 695] Output: 865 Explanation: Buy the stock on day 0 and sell it on day 3 This is my first HackerRank test and it is for a company that I really want to work for but I am not sure how much I should practice before taking it. I hope to learn a little more about the investment strategies that actually work in real life and nail this problem. Contribute to m00nlight/hackerrank development by creating an account on GitHub. In this article, I’ll walk you through two questions from the exam along Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. Note: Stock must be bought before being sold. However I couldn't pass test cases and don't know why my solution is wrong. Stock_Predictions Github Repo for the Stock Predictions HackerRank Challenge Stock span problem is a financial problem mostly asked in interviews and its optimized solution can be obtained using stack. Prepare Functional Programming Functional Structures Stock Prediction Leaderboard Nov 13, 2025 · A beginner-friendly tour of the biggest stock market crashes in history, why they happened, and the calm, practical lessons new investors can use today. Return the maximum profit you can achieve from this transaction. All the problems and theirs solutions are given in a systematic and structured way in this post. - Hackerrank/SQL (Basic)/Profitable Stocks. Each transaction consists of one buy and one sell operation, and a new transaction can begin only after the previous one is completed. We'll start from the basics and work our way up, so don't worry if you're new to this. Get started to view information about HackerRank stock. Contribute to manasasnmng/IML_Hackerrank_challenges development by creating an account on GitHub. I have taken HackerRank test on 3rd June 2022. Here one transaction means 1 buy + 1 Sell. (You have to sell the stock you have before buying again) This repo is for Hackerrank challenges for IML. Join me, engineerhoon, in this easy-to-follow HackerRank tutorial for beginners. The goal is to help them to improve their code skills and also studying for coding interviews. com Jul 31, 2024 · In this HackerRank Stock Maximize problem solution, Your algorithms have become so good at predicting the market that you now know what the share price of Wooden Orange Toothpicks Inc. int a[100005]={0}; int main() { int t,n; Can you solve this real interview question? Best Time to Buy and Sell Stock - You are given an array prices where prices[i] is the price of a given stock on the ith day. In this exercise you will have 60 minutes, from the time you start, to work through a problem. Your algorithms have become so good at predicting the market that you now know what the share price of Wooden Orange Toothpicks Inc. And if the price in the next day is lesser than current day, I sell already bought shares at current rate. Code Problems from Coding Challenge Websites. Given an array of numbers representing the stock prices of a company in chronological order, write a function that calculates the maximum profit you could have made from buying and selling that stock once. Financial Stock News Sentiment analysis tool tutorial. com. The U. Can you solve this real interview question? Best Time to Buy and Sell Stock with Cooldown - You are given an array prices where prices[i] is the price of a given stock on the ith day. The sample input and output help illustrate the problem effectively. Develop a quantitative model to estimate the price of a European Call/Put Option based on historical data Solving code challenges on HackerRank is one of the best ways to prepare for programming interviews. Tools and libraries for real-time data Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. I tried using different DS: heap, single element list, tuple but could not pass the time limit exceeded test cases. If you are not accredited, find out how to begin the process and qualify for new investment Jan 19, 2020 · Q: Stock Market Prediction I used Python 3 and managed to get the correct answer but few test cases did not pass due to time limit exceeded. This repository contains most of my solutions and projects I have completed on HackerRank. There are approaches that reward or penalize different pieces. Evaluate their financials based on HackerRank's post-money valuation and revenue. Key Takeaways HackerRank offers a wide range of coding challenges Join over 28 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. You must buy before you can sell it. 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. The company said the questions will be brain-teaser problems so I have mostly been practicing the "Problem Solving" section. It involves buying stocks at the lowest possible prices and selling them at peak market values. May 1, 2016 · Traverse from index 0 through n. Join over 28 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. com/challenges/stockmax/problem I know there's a May 13, 2015 · Question: Problem Statement Your algorithms have become so good at predicting the market that you now know what the share price of Wooden Orange Toothpicks Inc. This is followed by N Stock Maximize is a strategic approach aimed at maximizing profits through smart stock trading decisions. Contribute to alexprut/HackerRank development by creating an account on GitHub. Intuitions, example walk through, and complexity analysis. Whether you’re a beginner or an expert, HackerRank has something for everyone. Start hiring at the pace of innovation! HackerRank-Problem-Solutions-Python. Hackerrank Problem Solving Solution Tutorial playlist in python HackerRank Python Solution Files: https://shorturl. If the price in the next day is more than current day, I buy shares. E… Introduction The stock market is an ever-evolving landscape that offers numerous opportunities for investors to grow their wealth. Find the maximum profit you can achieve. Apr 12, 2024 · Missing Stock Prices — HackerRank Challenge A time series of a stock’s highest price during a trading day (at the New York Stock Exchange), is provided. Buy and sell HackerRank stock. What is the minimum number of days it can be completed in? In-depth solution and explanation for LeetCode 2291. S. (WOT) will be for the next number of days. If someone has ideas on optimizing python code, please share. Explore insights and opportunities to sell or invest in HackerRank shares pre-ipo. Sep 14, 2025 · Given a list containing future predictions of share prices, find the maximum profit earned by buying and selling shares at most `k` times with a constraint that a new transaction can only start after the previous transaction is complete. Stock Predictions problem in Hackerrank is listed as easy and surprisingly I struggled a lot to get a decent score. For example, given [9, 11, 8, 5, 7, 10], you should return 5, since you could buy the stock at 5 dollars and Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. This repository contains my solutions to various challenges on HackerRank, organized by domain and difficulty level. Crack your coding interview and get hired Nov 25, 2024 · Recently, I achieved the HackerRank SQL Advanced Certification, and I’m excited to share my experience with all of you. com practice problems using Python 3, С++ and Oracle SQL - marinskiy/HackerrankPractice Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. Each solution includes a detailed explanation of the approach, the programming l Jan 15, 2024 · Problem This problem was asked by Facebook. Contribute to BlakeBrown/HackerRank-Solutions development by creating an account on GitHub. Mar 18, 2024 · A quick and practical guide to maximizing profit for given stock quotes. HackerEarth is a global hub of 5M+ developers. HackerRank is the market-leading coding test and interview solution for hiring developers. Sep 5, 2024 · Given an array prices [] of length N, representing the prices of the stocks on different days, the task is to find the maximum profit possible by buying and selling the stocks on different days when at most one transaction is allowed. Find the price that stock exchange matching algorithm will give for the given by request Solving code challenges on HackerRank is one of the best ways to prepare for programming interviews. 🍒 Solution to HackerRank problems. See full list on codingbroz. py at master · larissalages/code_problems Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. BookEx • 306 views 2 years ago Data Scientist | Python 5⭐ @Hackerrank | Amrita Vishwa Vidyapeetham Btech CSE Student (2022-2026)| Analyst | Critical Problem Solver| Stock Trader · Hello, I'm Midhru Jayan, a CSE student deeply passionate about data science and willing to make a good impact in some way to the society also, I've been trading since the age of 18 and have a robust understanding of both technical and Groww_SQL_Interview_Question_based_on_Stock_Market_Transactions. Certificate can be viewed here 2 Questions are asked, as of now 2 questions will be asked from these questions, provided the solution also: Buy and sell HackerRank stock. Examples: This problem-solving task for George's stock options is brilliantly presented with a clear input format and concise output requirements. Nov 4, 2025 · Given an array prices [], where prices [i] represents the price of a stock on the i-th day, and an integer k representing the maximum number of transactions allowed, find the maximum profit that can be earned by performing at most k transactions. Can you solve this real interview question? Online Stock Span - Design an algorithm that collects daily price quotes for some stock and returns the span of that stock's price for the current day. May 12, 2022 · Mastering the Stock Market: Exploring the Different Types of Fundamental Analysis in Stock Market. Solutions Wait! Have you challenged yourself with this problem? If yes, click here to show the solution. Thank you! May 24, 2022 · Predict S&P500 stock price with machine learning (ML) and Python tutorial. This article will guide you on how to use HackerRank to level up your problem-solving skills. Jun 3, 2013 · 5 3 2 => profit = 0 // since the price decreases each day ,the max profit we can make = 0 1 2 100 => profit = 197 1 3 1 2 =>profit = 3 // we buy at 1 sell at 3 , then we buy at 1 and sell at 2 . One of the key strategies to succeeding in this volatile environment is understanding how to maximize profits by buying low and selling high. Note: We can only sell a stock which we have bought earlier and we cannot hold multiple stocks on any day. Contribute to khaleeque-ansari/HackerRank-Problem-Solutions-Python development by creating an account on GitHub. 7% Thursday and pulled further from its all-time high set late last month. Add functionality to add or delete transactions as well as to perform some queries. Join over 11 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Oct 24, 2022 · Hackerrank Skill Certification React Basics (Slideshow app and Articles Sorting) #hackerrank Fed-up teacher quits with shocking warning: 'These kids can't even read!' Oct 3, 2025 · Given an array prices [] representing stock prices, find the maximum total profit that can be earned by buying and selling the stock any number of times. 170+ solutions to Hackerrank. sql Your algorithms have become so good at predicting the market that can predict the share price of Wooden Orange Toothpicks Inc. It offers many coding challenges that help you think better and solve problems faster. SVM, Random Forest HackerRank concepts & solutions. One Requirement is for a REST API service to manage trades using the Spring Boot framework. See the original problem on HackerRank. Input Format The first line contains an integer N, which is the number of rows of data to follow. This is followed by N Jul 23, 2025 · The cost of a stock on each day is given in an array, find the max profit that you can make by buying and selling in those days. Here is the solution with explanation. Maximum Profit From Trading Stocks in Python, Java, C++ and more. In each test case, the day’s highest … A time series of a stock's highest price during a trading day (at the New York Stock Exchange), is provided to you. About This repository contains my solutions to various SQL challenges on HackerRank, organized by categories and difficulty levels. John was always looking for new ways to improve his trading strategies and make more profits. To buy the stock of a private companies like HackerRank, you must be an accredited investor. Prepare for your technical interviews by solving questions that are asked in interviews of various companies. - code_problems/Hackerrank/python/square_accumulate_root. HackerRank is a great place to improve your problem-solving skills. , buy one and sell one share of the stock multiple times) with the following restrictions: * After you sell your Jul 2, 2023 · In this post, we will solve HackerRank Stock Maximize Problem Solution.