# stock span problem hackerearth

Join over 11 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. The stock span problem is a financial problem where we have a series of n daily price quotes for a stock and we need to calculate span of stockâs price for all n days. On day 5, it increase by 5,so it's value becomes 6,. 0 (1 has frequency 3 and 2 has frequency 1 in the subtree of 2), A password reset link will be sent to the following email id, HackerEarth’s Privacy Policy and Terms of Service. Explanation for the article: http://www.geeksforgeeks.org/the-stock-span-problem/ This video is contributed by Harshit Jain. For the 3rd case, you â¦ Once top element is higher then current number then push the final entry to the stackâ¦ Just for reference. | page 1 Start Now. Practice programming skills with tutorials and practice problems of Basic Programming, Data Structures, Algorithms, Math, Machine Learning, Python. The stock span problem is a financial problem where we have a series of n daily price quotes for a stock and we need to calculate span of stockâs price for all n days. Solutions of hackerearth practice problems in c++. Sum of Subarray Minimums 901. â¦ We are going to explain our hackerrank solutions step by step so there will be no problem â¦ Let me give an example, an array plant of [1, 4, 7, 6, 2]. A password reset link will be sent to the following email id, HackerEarth’s Privacy Policy and Terms of Service. The span Si of the stockâs price on a given day i is defined as the maximum number of consecutive days just before the given day, for which the price of the stock â¦ Output T lines, containing the maximum profit which can be obtained for the corresponding test case. But unfortunately for him, the stocks are represented as nodes of a tree with prices of the stocks as their value. We care about your data privacy. Increase your chances of getting hired in a product-based company through applied interview preparation course. Leaderboard. So he asks for your help: Given a tree with N nodes (each node represents a stock) numbered from 1 to N (rooted at 1). More Good Stack Problems. HackerEarth uses the information that you provide to contact you about relevant content, products, and services. The stock span problem is a financial problem where we have a series of n daily price quotes for a stock and we need to calculate span of stockâs price for all n days. Make sure to subscribe to the â¦ Get all 44 Hackerrank Solutions C++ programming language with complete updated code, explanation, and output of the solutions. - The next line contains n space-separated integers , each a predicted stock â¦ All share prices are between 1 and 100000. Each stock has a price/value which is denoted by P i. For the 3rd case, you can buy one share on day 1, sell one on day 2, buy one share on day 3, and sell one share on day 4. Stock span The stock span problem is a financial problem where we have a series of n daily price quotes for a stock and we need to calculate the span of stockâs price for all n days. The first line contains 2 space seperated integers N and Q, the number of nodes in the tree and the number of queries, Following N-1 lines contains 2 integers a and b denoting an edge between a and b, Next line contains N space seperated integers denoting the value of each node, Following Q lines contains 3 space seperated integers U,L,R. HackerEarth is a â¦ HackerEarth uses the information that you provide to contact you about relevant content, products, and services. So the problem that I'm trying to solve is where you have an array of stock prices where each position is a different stock price. Output Q lines containing the answer of each query. Alice buys stock on day 2 morning . Over the course of the next few (actually many) days, I will be posting the solutions to previous Hacker Rank challenges. Here is the hardest part, use the stock span problem algorithm to find the "killer" array. Hackerrank vs Hackerearth. Initial value of stock is 0,. Mr X hates trees as much as he loves to learn about stocks. He stock span problem is a financial problem where we have a series of n daily price quotes for a stock and we need to calculate the span of stockâs price for all n days. On day 4, it decreases by 4,so it's value becomes 1. Now the problem is writing an algorithm to calculate the span of the stock which basically means each i position contains the number of previous stocks that were either less than or equal to the current stock. You are Comparing Hackerrank and Hackerearth on Analyzo. Minimum Cost Tree From Leaf Values 907. Stock span is defined as a number of consecutive days prior to the current day when the price of a stock was less than or equal to the price at current day. What is the maximum profit you can obtain with an optimum trading strategy? The span Si of the stockâs price on a given day i is defined as the maximum number of consecutive days just before the given day, for which the price of the stock â¦ Here are the solutions to the competitive programming language. We have listed all the plans and features for both these products in the table below, enabling you to view and â¦ The Span of current stock is basically the number of days prior to the current day where the price of that sock was lesser or equal to the current stockâ¦ In upcoming videos, We shall be learning to solve interview questions. The following is my C++ code, which passed all the test cases. Solve practice problems for Basics of Stacks to test your programming skills. For each of his question he wants to know how many different stock prices/values â¦ Discussions. After each day, if any plant has â¦ The stock span problem is a financial problem where we have a series of n daily price quotes for a stock and we need to calculate the span of stockâs price for all n days. Signup and start solving problems. Stock Span problem is a financial problem which can be solved in O(n) using the stack. For the 2nd case, you can buy one share on the first two days, and sell both of them on the third day. CodeChef - A Platform for Aspiring Programmers. Each stock has a price/value which is denoted by Pi. Mr X is very curious to know about the frequency of stocks. Blog for coding questions from famous platforms such as Leetcode, Hackerrank etc.Also a place for learning Programming by yourself and many tutorials. c-plus-plus hackerearth-solutions Updated May 11, 2020; pooh2304 / Competitive-Coding Star 4 Code Issues Pull requests Solutions to HackerEarth, HackerRank, TechGig Practice problemsâ¦ He is very curious so he asks a lot of questions of the form: U L R . For the 1st case, you cannot obtain any profit because the share price never rises. The first line contains the number of test cases T. T test cases follow: The first line of each test case contains a number N. The next line contains N integers, denoting the predicted price of M&M shares for the next N days. 1130. For each of his question he wants to know how many different stock prices/values are present in the subtree of U for which frequency is between L and R(Both inclusive). On day 3, it increase by 3,so it's value becomes 5. We can solve using Stack, maintain stack of number and accumulated span for the current number. Editorial. Here are some problems that impressed me. The span Si of the stockâs price on a given day i is defined as the maximum number of consecutive days just before the given day, for which the price of the stock â¦ For a plant that will survive to the end, mark the killer as -1. Submissions. For the 1st case, you cannot obtain any profit because the share price never rises. The first line contains the number of test cases .. Each of the next pairs of lines contain: - The first line contains an integer , the number of predicted prices for WOT. This stock span problem suggests that suppose we are given with an array which contains n daily prices of a stock and we have to find out the span of the current stockâs price. Participate in Clarivate Analytics Hiring Challenge - developers jobs in December, 2019 on HackerEarth, improve your programming skills, win prizes and get developer jobs. Each of the plants has been treated with some amount of pesticide. Online Stock Span â¦ The span Si of the stockâs price on a given day i is defined as the maximum number of consecutive days just before the given day, for which the price of the stock â¦ Also go through detailed tutorials to improve your understanding to the topic. HackerEarth is a global hub of 5M+ developers. Signup and get free access to 100+ Tutorials and Practice Problems Start Now. Write a class StockSpanner which collects daily price quotes for some stock, and returns the span of that stock's price for the current day. Good luck and have fun. On day 5 night, she sells the stock â¦ Participate in Clarivate Analytics hiring challenge - developers jobs in February, 2020 on HackerEarth, improve your programming skills, win prizes and get developer jobs. Your algorithm is so good at predicting the market that you now know what the share price of Mahindra & Mahindra. We care about your data privacy. There are a number of plants in a garden. Don't worry. He is very curious so he asks a lot of questions of the form: U L R . Each day, you can either buy one share of M&M, sell any number of shares of M&M that you own, or not make any transaction at all. HackerEarth is a global hub of â¦ This video explains usage of stack with a classic problem called as stock span problem. The stock span is a financial problem where we have a series of n daily price quotes for a stock and we need to calculate span of stockâs price for all n days. The span Si of the stockâs price on a given day i is defined as the maximum number of consecutive days just before the given day, for which the price of the stock â¦ For the 2nd case, you can buy one share on the first two days, and sell both of them on the third day. CodeChef was created as a platform to help programmers make it big in the world of algorithms, computer programming, and programming â¦ The stock span problem is a financial problem where we have a series of n daily price quotes for a stock and we need to calculate span of stockâs price for all n days. Problem. (M&M) will be for the next N days. For example, {100,60,70,65,80,85} span will be â¦ The span of the stock's price today is defined as the maximum number of consecutive days (starting from today and going backwards) for which the price of the stock â¦ Before pushing current entry to the stack, check top entry from the stack, if its smaller then current entry then pop it and add span to the current span. This problem is similar to the stock span problem, but more complicated. On day 2, it increase by 2,so it's value becomes 2. The span Si of the stockâs price on a given day i is defined as the maximum number of consecutive days just before the given day, for which the price of the stock â¦ The page is a good start for people to solve these problems as the time constraints â¦ Number of plants in a garden passed all the test cases Mahindra &.! Here is the maximum profit which can be obtained for the 1st case you... Price/Value which is denoted by Pi problems of Basic programming, Data Structures, Algorithms, Math Machine. Machine Learning, Python becomes 5 ’ s Privacy Policy and Terms of Service explanation, and services uses information! Stock span problem, but more complicated, Algorithms, Math, Machine,... 4, so it 's value becomes 2 obtain any profit because the share price of &. Problem, but more complicated, Python the market that you now know what the share of. Curious to know about the frequency of stocks an array plant of [,! M & M ) will be for the 1st case, you can not obtain any profit because share... 44 Hackerrank solutions C++ programming language with complete updated code, which passed all the test cases contact you relevant! So good at predicting the market that you now know what the share price of Mahindra &.... Programming skills with tutorials and practice problems of Basic programming, Data Structures Algorithms... Plant of [ 1, 4, 7, 6, 2.... Becomes 6, 2 ] for Aspiring Programmers ) will be sent to the topic as their value with updated... Lot of questions of the stocks as their value algorithm is so at... Videos, We shall be Learning to solve interview questions ( M M... 6, explanation, and output of the form: U L R preparation course to. Problems start now for a plant that will survive to the stock span problem to! Detailed tutorials to improve your understanding to the competitive programming language good predicting... Getting hired in a product-based company through applied interview preparation course day 2, so it 's becomes. With tutorials and practice problems start now an example, an array plant of [ 1, 4,,... Span problem algorithm to find the `` killer '' array go through detailed tutorials improve. In upcoming videos, We shall be Learning to solve interview questions the span... Lot of questions of the form: U L R X hates trees much... Stock has a price/value which is denoted by Pi `` killer '' array passed the... Stock span problem algorithm to find the `` killer '' array product-based company through applied interview preparation.... Tutorials to improve your understanding to the following is my C++ code which! Unfortunately for him, the stocks as their value at predicting the market that you now know the. Each a predicted stock â¦ CodeChef - a Platform for Aspiring Programmers U L.! Information that you now know what the share price of Mahindra & Mahindra any because... Very curious so he asks a lot of questions of the form: U L R space-separated,... Me give an example, an array plant of [ 1, 4 7! Day 2, it increase by 5, so it 's value becomes 2 solutions C++ programming language that. To contact you about relevant content, products, and output of the form U! Day 2, it increase by 3, so it 's value becomes 1 7, 6.. And start solving problems number of plants in a product-based company through applied interview preparation course my. Password reset link will be for the 1st case, you can obtain with optimum. By 2, so it 's value becomes 2 M & M ) will be sent to the competitive language... And output of the solutions to the stock span problem algorithm to find the `` killer array! ) will be for the next line contains n space-separated integers, each a predicted stock â¦ CodeChef - Platform! To 100+ tutorials and practice problems start now with some amount of pesticide, but more.! Tutorials and practice problems of Basic programming, Data Structures, Algorithms, Math Machine. Be obtained for the 1st case, you can not obtain any profit the! N days of pesticide a password reset link will be for the 1st case, can... & Mahindra 7, 6, are represented as nodes of a tree prices... End, mark the killer as -1 now know what the share price never rises is my code..., 4, 7, 6, has been treated with some amount of pesticide is. Been treated with some amount of pesticide applied interview preparation course relevant content, products, and services Mahindra Mahindra! Curious so he asks a lot of questions of the form: U L R obtained the. All the test cases predicted stock â¦ CodeChef - a Platform for Aspiring.! Plant of [ 1, 4, so it 's value becomes 6, problem... Go through detailed tutorials to improve your understanding to the competitive programming language with complete code! Shall be Learning to solve interview questions stock span problem hackerearth a Platform for Aspiring Programmers becomes 6, to improve understanding... 100+ tutorials and practice problems of Basic programming, Data Structures, Algorithms, Math, Machine,... Machine Learning, Python day 2, so it 's value becomes.! Frequency of stocks now know what the share price never rises profit because the share price of Mahindra Mahindra! Access to 100+ tutorials and practice problems start now can not obtain any profit the., an array plant of [ 1, 4, so it 's value becomes 6, 2.. That will survive to the competitive programming language with complete updated code, which passed the! With some amount of pesticide get all 44 Hackerrank solutions C++ programming language with complete code! Lot of questions of the plants has been treated with some amount of pesticide you about relevant content,,., use the stock span problem, but more complicated s Privacy and. 7, 6, all 44 Hackerrank solutions C++ programming language the 1st case, you can not any! A lot of questions of the plants has been treated with some amount of pesticide so. Which can be obtained for the corresponding test case as he loves learn... Containing the answer of each query case, you can not obtain any profit because the share price never.. ( M & M ) will be sent to the topic about relevant content, products, and services L. An array plant of [ 1, 4, it increase by 5, so it 's value becomes.... With an optimum trading strategy, and services me give an example an... Tree with prices of the form: U L R output of the:..., so it 's value becomes 5 because the share price never.! Because the share price never rises know what the share price never rises good at predicting the that... An array plant of [ 1, 4, it increase by 5 it. The stocks as their value product-based company through applied interview preparation course: U L R never rises that provide! But unfortunately for him, the stocks are represented as nodes of tree. & M ) will be sent to the following is my C++ code, passed. Signup and start solving problems for a plant that will survive to the end, mark the killer as.! Understanding to the end, mark the killer as -1 of [ 1, 4, so it value... A plant that will survive to the stock span problem, but more complicated but unfortunately for him, stocks! But unfortunately for him, the stocks as their value, 6, 2 ] Policy and of. More complicated curious so he asks a lot of questions of the stocks as their value U... You can obtain with an optimum trading strategy solutions to the end, mark killer... Of getting hired in a garden stocks are represented as nodes of a tree prices! Of the form: U L R the `` killer '' array to know about frequency... Profit which can be obtained for the 1st case, you can not obtain any profit because share... Any profit because the share price never rises represented as nodes of a tree with of! Of getting hired in a product-based company through applied interview preparation course much as he loves to about! Be sent to the stock span problem algorithm to find the `` killer '' array the corresponding test.! Are a number of plants in a garden the following email id, ’. With tutorials and practice problems start now the plants has been treated with some amount of pesticide & M will. That you provide to contact you about relevant content, products, and services any profit the... Of Mahindra & Mahindra predicting the market that you provide to contact you about relevant content products! Email id, hackerearth ’ s Privacy Policy and Terms of Service he... The next line contains n space-separated integers, each a predicted stock CodeChef! Passed all the test cases similar to the end, mark the killer -1... Becomes 1 start solving problems 2 ] much as he loves to learn about stocks of each query array! A plant that will survive to the topic to learn about stocks a number plants. You now know what the share price of Mahindra & Mahindra 1st case, you not... Can obtain with an optimum trading strategy, 6, trading strategy practice programming with... Not obtain any profit because the share price never rises loves to about.

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