As suggested in the name of the problem, we should think of a solution that refers to graphs, and more specifically on the Depth. Prepare for your Interview. Codersdaily provides you with the best material, live training by industry experts, and real-time industry experience, which will help you. Hello everyone! Here's my solution (to just the required function) in C++ 20: The worst-case time complexity of the above code is O (m * n), where m and n denote the number of rows and columns in the input grid, respectively. This competency area includes understanding scalar types. We'll break it down into steps: def compareTriplets (a, b): # Initialize the scores for Alice and Bob. More precisely, the matrix A is diagonally dominant if. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"Gaming Laptop Battery Life. HackerRank Python (Basic) Skill Certification Test. Our platform provides a range of challenges covering various C programming topics such as arrays, pointers, functions, and more. You are given the shape of the array in the form of space-separated integers, each integer representing the size of different dimensions, your task is to print an array of the given shape and integer type using the tools numpy. end () problem solution. You can find me on hackerrank here. Two cells are said to be connected if they are adjacent to each other horizontally, vertically, or diagonally; in other words, cell [i][j] [ i] [ j] is. The i th character of the string, b[i], denotes the i th cell of the board. gitignore","contentType":"file"},{"name":"LICENSE","path":"LICENSE. Vishal_Mankape•3. Consider a matrix where each cell contains either a or a and any cell containing a is called a filled cell. Python: Shape Classes with Area Method Dot and Cross – Hacker Rank Solution. HackerRank Python (Basic) Skills Certification Test Solution. January 17, 2021 by Aayush Kumar Gupta. The output should contain as many lines as the number of '#' signs in the input text. Two cells are adjacent if they have a common side, or edge. A point A dominates point B if Ax ≥ Bx and Ay ≥ By. 3 Answers. 30. Many other solutions exist, such. Bomberman lives in a rectangular grid. This hackerrank problem is a part of Pro. Two cells are said to be connected if they are adjacent to each other horizontally, vertically, or diagonally. This tutorial is only for Educational and Learning purposes. Min and Max. Output Input. 48 lines (35 sloc) 1. Standardised Assessment. For example, consider the following grid:Download huong dan python dominant cells hackerrank solution github te bao chiem uu the python giai phap hackerrank github nhanh chóng, miễn phí. HackerRank Solutions. Home. Veiw Profile. Hackerrank Solution · Python. python hackerrank fizzbuzz certification python-basics swapping reversed python-certification hackerrank-certification. The Bomberman Game. Python: Shopping Cart The task is to implement two classes: Shopping Cart and Item according to the following requirements: Item - An item is instantiated using the constructor Item(name. Python: Multiset Implementation2. Please don’t copy the code. An element XX is said to be dominant if the frequency of XXin AA is strictly greater than the frequency of any other element in the AA. Find the largest connected region in a 2D Matrix. Automated the process of adding solutions using Hackerrank Solution Crawler. Certificate can be viewed here. Contribute to srgnk/HackerRank development by creating an account on GitHub. XXX XYX XXX If one or more filled cells are. A cell is called a dominant cell if it has a strictly greater value than all of its neighbors. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"LICENSE","path":"LICENSE","contentType":"file"},{"name":"README. Balanced System File Partition; Vowel Substring ; I'll be uploading other solutions of hackerrank certifications questions in this repo. A tag already exists with the provided branch name. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"LICENSE","path":"LICENSE","contentType":"file"},{"name":"README. where LAT_N is the northern latitude and LONG_W is the western longitude. This video provides video solutions to the Hacker Rank Python (Basic) Certification . This is the function that we need to complete. Let's play a game on an array! You're standing at the index 0 of an n-element array named game. array([ 1, 2 ]) B = numpy. 25%. The while True condition keeps you. Consider a matrix with n rows and m columns, where each cell contains either a 0 or a 1 and any cell containing a is called a filled cell. Practice. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"swapcase. Min and Max. Problem statement. product and thanks to Python's yield expression and star operator, the function is pretty dry but still readable enough. Reverse Words and Swap Cases2. YASH PAL July 21, 2021. The first line should contain the result of integer division, a // b. Question IndexesHackerRank Certification Question Topics python java sql gaming string code test solution shape class anagram python3 laptop reverse problem-solving average adder hackerrank-solutions python-shape hackerrank-certification100 HackerRank Solution in Order. Each cell contains some points. In this HackerRank A Chessboard Game problem solution we have Given the initial coordinates of the players' coins, assuming optimal. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"HackerRank Vending Machine","path":"HackerRank Vending Machine","contentType":"file"},{"name. August 4, 2023. You can even add multiple types in a single list! Let's look at some of the methods you can use on list. A Hackerrank number is a magic number that can be used to get sudo permissions on the site. In this post, we will solve HackerRank The Grid Search Problem Solution. The next line contains space-separated integers contained in the array. It Contains Solutions of HackerRank Certification Problems for Python Basics HackerRank is the market-leading technical assessment and remote interview solution for hiring developers. Contribute to meysiolio/Dominant-Cells development by creating an account on GitHub. In this HackerRank Training the army problem solution Your goal is to design a series of transformations that results in a maximum number of skill sets with a non-zero number of people knowing it. Tip #1: Start Easy, and Gently Work Your Way Up. First of all width must match binary number length. Once a bomb detonates, it's destroyed — along with anything in its four neighboring cells. Show more. Each of the digits 1-9 must occur exactly once in each row. '. hackerrank-solutions. This is correct: if the grid has one row or column, Babai will walk along that line and visit all its cells (so the whole 1 dimensional grid), which has indeed m. Add this topic to your repo. The object is rotated so the front row matches column 1 of the input, heights 1, 2, and 1. Aggregation. Reload to refresh your session. 6K views · 2:14 · Go to. Two cells are neighbors when they share a common side or a common corner, so a cell can have up to 8 neighbors. YASH PAL June 10, 2021. YASHasvi SHUkla [ Sic Mundus Creatus Est ] , IndiaAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. The idea is to modify the given matrix, and perform DFS to find the total number of islands. {"payload":{"allShortcutsEnabled":false,"fileTree":{"Certification_Test_Python/Basic":{"items":[{"name":"Multiset_Implementation","path":"Certification_Test_Python. Print them in the same style but sorted by their areas from the smallest one to the largest one. There are n words, which might repeat, in word group A. HackerRank Maximum Subarray Sum problem solution YASH PAL March 14, 2021 In this HackerRank Maximum Subarray Sum Interview preparation kit problem you have Given an n element array of integers, a, and an integer, m, to determine the maximum value of the sum of any of its subarrays modulo m. The value of each of the cells in the co-ordinate (u, v) satisfying 1 ≤ u ≤ a and 1 ≤ v. residual_flows = {} class. Two cells are said to be connected if they are adjacent to each other horizontally, vertically, or diagonally. The empty cell data for columns with less than the maximum number of names per occupation (in this case, the Professor and Actor columns) are filled with NULL values. Returns:HackerRank Ema's Supercomputer problem solution. python hackerrank fizzbuzz certification python-basics swapping reversed python-certification hackerrank-certification Updated Jan 18, 2021; Python; sheoraninfosec / hackerrank-python-basic-skill-test-certfication Star 0. I have taken HackerRank Python (Basic) Skills Certification Test on 7th Nov 2023. Problem Statement -: A taxi can take multiple passengers to the railway station at the same time. This is correct: if the grid has one row. Try it today. In addition, the number of moves can be tracked by a backtracking matrix. import numpy A = numpy. After N such steps, if X is the largest number amongst all the cells in the rectangular board, can you print the number of X's in the board? Input Format The first line of input contains a single integer N. #. for alice, bob in zip (a, b): if alice > bob: alice_score += 1. Python is an interpreted, high-level, general-purpose programming language, and one of the most popular languages for rapid development across multiple platforms. We will send you an email when your results are. HackerRank is an online platform that offers programmers the ability to test their sills, practice and learn something new. HackerRank Re. Let's play a game? The game consists of N steps wherein each step you are given two integers a and b. Let's write a Python solution for "Compare the Triplets" that's both elegant and efficient. HackerRank Re. Consider a matrix where each cell contains either a or a . The Solution. Contains Solutions of HackerRank Certification in Python Basics. Standard. MySQL Solution. YASH PAL April 18, 2021. All caught up! Solve more problems and we will show you more here!This is the course material page for the Introduction to Programming course (TKT10002, 5 cr) and the Advanced Course in Programming (TKT10003, 5 cr) from the Department of Computer Science at the University of Helsinki. codechef-solutions. There may be some questions which may differ from those I have done in the video, if your quest. In other words, the start and end. The front face is 1 + 2 + 1 = 4 units in area. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":". No rounding or formatting is necessary. If there had been more moves available, they could have been eliminated by performing multiple. This tutorial is only for Educational and Learning purposes. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"Average Function","path":"Average Function","contentType":"file"},{"name":"Dominant Cells. So after defining the function. md. This might sometimes take up to 30 minutes. Compare the Triplet HackerRank Solution in C, C++, Java, Python. You are playing a matrix-based game with the following setup and rules: You are given a matrix A with n rows and m columns. Neo has a complex matrix script. Our experts have curated these kits with challenges from top companies & mock tests to assess yourself. In this post, we will solve HackerRank The Bomberman Game Problem Solution. Each number has two parts to it - the left (L) & the right side (R). cross(A, B) #Output : -2Army Game. A grid square can either be blocked or empty. Move right one collecting a passenger. 17 HackerRank Python String Mutations Problem Solutions. Display more resultsMatplotlib is the dominant plotting / visualization package in python. In the first test case, we can obtain the resulting grid by increasing the number in row 2 2, column 3 3 once. . It should return an array of strings, each representing a row of the finished puzzle. Linear Algebra. In the following grid, all cells. finditer () problem solution. Consider a matrix where each cell contains either a 0 or a 1. HACKERRANK SOLUTION: Delete a Node //COPY PASTE THIS PART OF CODE IN THE GIVEN BLANK SPACE OF YOUR EDITOR…. You are given a square map as a matrix of integer strings. Two cells are neighbors when they share a common side or a common corner, so a cell can have up to 8 neighbors. Please use list comprehensions rather than multiple. Each cell of the map has a value denoting its depth. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"Average Function","path":"Average Function","contentType":"file"},{"name":"Dominant Cells. 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. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"Multiset Implementation. Handling Exceptions. {"payload":{"allShortcutsEnabled":false,"fileTree":{"All Tracks/Core CS/Algorithms/Implementation/The Bomberman Game":{"items":[{"name":"Solution. The rating for Alice's challenge is the triplet a = (a [0], a [1], a [2]), and the rating for Bob's challenge is the triplet b = (b [0], b [1], b. py","contentType":"file"},{"name":"vending_machine. In line 2 he is assigning the variable with length of binary value by deducting base value length example 'ob1', for 'ox1' list goes on. Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Inner and Outer – Hacker Rank Solution. Connected Cells in a Grid: connected-cell-in-a-grid. To associate your repository with the hackerrank-certification topic, visit your repo's landing page and select "manage topics. The next line contains space-separated integers contained in the array. Two cells are said to be connected if they are adjacent to each other horizontally, vertically, or diagonally. It can be solved by BFS for the minimum moves. python code for dominant cells. 60%. For example strings s= [a,b,c] and t= [d,e,f] . Previous article Great Learning Academy Free Certificate Courses. Also, in @hrshd solution to this question, he mentioned that he doesn't understand why +1 is needed to get the answer. The goal is to understand how matplotlib represents figures internally. Happy Ladybugs is a board game having the following properties: The board is represented by a string, b, of length n. Python (Basic) Skills Certification Test. 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. You can use the code to make your understanding clear. Each cell in the grid either contains a bomb or nothing at all. Thank You for your support!! In this tutorial we will cover following solutions for hacker rank problem capitalize in python Solution-1: Using for loop, Solution-2: Using a user-defined function, Solution-3: Using . A queen is standing on an chessboard. py","contentType":"file. This problem can be converted to a graph search problem. Queen’s Attack 2 HackerRank Solution in C, C++, Java, Python. Solve Challenge. py: Search: Medium: Pairs: pairs. Welcome to our comprehensive review of Dominantsolution. It can be solved by BFS for the minimum moves. Find all the cavities on the map and replace their depths with the uppercase. Two cells are neighbors when they share a common side or a common corner, so a cell can have up to 8 neighbors. You are given N integers. When a player passes a cell their score increases by the number written in that cell and the number in the cell. Sample 0. GRAPH THEORY. For example, the matrix diagonal starting from mat[2][0], where mat is a 6 x 3 matrix, includes cells mat[2][0], mat[3][1], and mat[4][2]. Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Hello coders, in this post you will find each and every solution of HackerRank Problems in C language. More than 100 million people use GitHub to discover, fork, and contribute to. FizzBuzz (Practice Question - Ungraded) Shopping Cart; Dominant Cells; Licence. This repository is for practising and helping. For example, given a matrix: 989 191 111. In the Gregorian calendar, three conditions are used to identify leap years: The year can be evenly divided by 4, is a leap year, unless: The year can be evenly divided by 100, it is NOT a leap year, unless:In this post, we will solve HackerRank Gridland Metro Problem Solution. Took this test on HackerRank here on 1st July 2023. of questions 4 questions. Non Dominant Sets. Once a bomb detonates, it's destroyed — along with anything in its four neighboring cells. 5 of 6; Submit to see results When you're ready, submit your solution! Remember, you can go back and refine your code anytime. 1. See Answer See Answer See Answer done loading. Transcribed image text: There is a given list of lists of integers that represent a 2- dimensional grid with n rows and m columns. 1 1 1 0 1 0 1 1 1. P is considered to be an absolute permutation if |posi [i]-i]=k holds true for every i belongs to [1,n]. Add logic to print two lines. No. HackerRank's programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python, SQL, JavaScript) and span multiple computer science domains. Nested ListsEasyPython (Basic)Max Score: 10Success Rate: 91. The city of Gridland is represented as an n x m matrix where the rows are numbered from 1 ton and the columns are numbered from 1 to m. Solution. HackerRank's programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python, SQL, JavaScript) and span multiple computer science domains. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. First line contains an integer T , denoting the number of test cases. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"LICENSE","path":"LICENSE","contentType":"file"},{"name":"README. Another way to solve the question is using a user-defined function. In this task you have to find the presence of vowels in all possible substrings of the given string. L ike most other competitive programming platforms, HackerRank groups challenges into different difficulty levels. Here, we have 4 regions in the matrix containing value 1. Hackerrank Python Basic Solution | Vending Machine Program | Dominant cells | Python Certification. It hosts four featured contests every month (Long Challenge, CookOff, LunchTime, and Starters) and gives away prizes and goodies to the winners as encouragement. 5 of 6; Submit to see results When you're ready, submit your solution! Remember, you can go back and refine your code anytime. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"LICENSE","path":"LICENSE","contentType":"file"},{"name":"README. Count the number of items in a 2-D list which are higher than all of its neighbours, whether vertical, horizental or diagonal neighbours. This is your one-stop solution for everything you need to polish your skills and ace your interview. For each given string you have to print the total number of vowels. Problem:- Implement a function that takes a string that consists of lowercase letters and digits and returns a string that consists of all digits and lowercase English letters that are not present in the string. There are m words belonging to word group B. py","contentType":"file"},{"name":"LICENSE","path. md. Here's my solution. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"Maximum cost of laptop count (C++)","path":"Maximum cost of laptop count (C++)","contentType. Each cell of the map has a value denoting its depth. An HTMLParser instance is fed HTML data and calls handler methods when start tags, end tags, text, comments, and other markup elements are encountered. com is a search engine built on artificial intelligence that provides users with a customized search experience while keeping their data 100% private. each cell can be free or can contain an obstacle, an exit, or a mine. The *args is a special syntax in python used to define a variable number of inputs. YASH PAL March 17, 2021. Questions Feel free to choose your preferred programming language from the list of languages supported for each question. and we need to write all possible permutations in increasing lexicographical order and wrote each permutation in a new line. Hackerrank Connected Cells in a Grid Solution. A cell is called a dominant cell if it has a strictly greater value than all of its neighbors. I have taken HackerRank Python (Basic) Skills Certification Test on 8th April 2023. The top is 3 units. 4k forks. To fix it, change the second condition and return value as follows (notice the or ): elif n == 1 or m == 1: return n * m. We will call a cell of the map a cavity if and only if this cell is not on the border of the map and each cell adjacent to it has strictly smaller depth. To clarify, are you looking for code that identifies the dominant cells in a Python program? If so, could you provide more details about what you mean by "dominant cells"? Are you referring to cells in a grid or matrix that have a certain property or characteristic? The more information you can provide, the better I. Each bomb can be planted in any cell of the grid but once planted, it will detonate after exactly 3 seconds. In the following grid, all cells marked X are connected to the cell marked Y. Take the HackerRank Skills Test. Task 1: Arrays You are given a space separated list of numbers. There is enough good space to color one plus and one plus. To learn more about different built-in exceptions click here. Marc's Cakewalk [Easy] Solution. More than 100 million people use GitHub to discover, fork, and contribute to over 420. Print FunctionEasyPython (Basic)Max Score: 20Success Rate: 97. 1. A taxi can take multiple passengers to the railway station at the same time. XYX. The value of each of the cells in the co-ordinate (u, v) satisfying 1 ≤ u ≤ a and 1 ≤ v ≤ b, is increased by 1. e. Mr. A Game is played by picking an initial state of the grid and. In this HackerRank Crossword Puzzle Interview preparation kit problem you need to Complete the crosswordPuzzle function. HackerRank Solutions. pop: Pop the last element from the list. Given a grid, a start and a goal, determine the minmum number of moves to get to the goal. Next we add each of the characters of t in order. It then reads a space-separated list of n words from the input and splits it into a list of words. Give feedback. Join over 16 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. join (sorted (string)) print (string) if string < last_string. Active Traders Description SubmissionAbsolute Permutation HackerRank Solution in C, C++, Java, Python. Each string should be modified as follows: • The first character of the string remains unchanged. A tag already exists with the provided branch name. More precisely, the matrix A is diagonally dominant if. The problem sets on HackerRank are divided in Domains & Tutorials, and the following are the domains & tutorials on HackerRank: Domains. Disclaimer: The above Problem Python programs is generated by Hackerrank but the Solution is Provided by Chase2Learn. The function accepts 2D_INTEGER_ARRAY grid as parameter. any two cells in the table are considered adjacent if they share a side. #. This question sucks: It says: "Input Format. Consider a matrix with n n rows and m m columns, where each cell contains either a 0 0 or a 1 1 and any cell containing a is called a filled cell. Discussing the approach for solving the “Challenges” problem on HackerRank with SQL. Each bomb can be planted in any cell of the grid but once planted, it will detonate after exactly 3 seconds. The BFS search needs a queue. md","path":"README. We have a function called avg that takes in a variable number of integer inputs. It Contains Solutions of HackerRank Certification Problems for Python Basics HackerRank is the market-leading technical assessment and remote interview solution for hiring developers. Neo reads the column from top to bottom and starts reading from the leftmost. HackerRank's programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python. 2597. YASH PAL July 20, 2021. Any cell containing a is called a filled cell. Solve Challenge. August 2023 (4) July 2023 (1) April 2023. This week, we dive much deeper. The code that I wrote may not be the best possible way to solve the problem. In mathematics, a square matrix is said to be diagonally dominant if for every row of the matrix, the magnitude of the diagonal entry in a row is larger than or equal to the sum of the magnitudes of all the other (non-diagonal) entries in that row. Daliy codi. hackerrank average function in python. Each of the digits 1-9 must occur exactly once in each column. MIT LicenceIn mathematics, a square matrix is said to be diagonally dominant if for every row of the matrix, the magnitude of the diagonal entry in a row is larger than or equal to the sum of the magnitudes of all the other (non-diagonal) entries in that row. Is named avg. append e: Insert integer e at the end of the list. This is correct: if the grid has one row or column, Babai will walk along that line and visit all its cells (so the whole 1 dimensional grid), which has indeed m. master. n = 3 . any two cells in the table are considered adjacent if they share a side. Two cells are adjacent if they have a common side, or edge. Reload to refresh your session. Competition Duration 180 minutes. This repository consists of solutions to HackerRank practice, tutorials, and interview preparation problems with Python, mySQL, C#, and JavaScript. append ( 9) print arr # prints [1, 2, 3, 9]The HackerRank Skills Certification Test is a standardized assessment to help developers prove their coding skills. About this 2D Arrays HackerRank problem. reverse: Reverse the list. You will be given a square chess board with one queen and a number of obstacles placed on it. 26 KB. util. A point A dominates point B if Ax ≥ Bx and Ay ≥ By. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. He can reverse any of its rows or columns any number of times. {"payload": {"allShortcutsEnabled":false,"fileTree": {"": {"items": [ {"name":"Average Function","path":"Average Function","contentType":"file"}, {"name":"Dominant Cells","path":"Dominant Cells","contentType":"file"}],"totalCount":2}},"fileTreeProcessingTime":1. md","path":"README. If the value of the current cell in the given matrix is 1. " You can perform the following commands: insert i e: Insert integer e at position i. then the main function will call the print_from_stream () function with the following arguments: n = 5 and stream = EvenStream () and the print_from_stream () function will print the first 5 even numbers. We would like to show you a description here but the site won’t allow us. This is your one-stop solution for everything you need to polish your skills and ace your interview. Loops in Python — Hacker Rank Solution. md","contentType":"file"},{"name":"balanced_system_file_partition. You can't declare a two-dimensional array of this much size as it would require a huge amount of heap space, for eg if n,m are both 10^9, the size of arr would be 10^18 * 4 / ( 1024 * 1024 * 1024) Gb. HackerRank Java 1D Array (Part 2) Solution - Problem Statement. py","contentType":"file"},{"name. Write a function in. Problem Solving(Basic) – HackerRank Skills Certification. 22 Designer Door Mat using python. The first and the only line contains the integer, n. Tip #1: Start Easy, and Gently Work Your Way Up. Both of the cells that contain 1 1 have exactly one neighbor that is greater than zero, so the grid is good. Transform each string according to the given algorithm and return the new sentence. py","path":"Dominant_Cells. These tutorials are only for Educational and Learning Purpose. The problem solutions are entirely provided by Deep Dalsania. 21 Text Wrap - HackerRank Python String Problem Solution. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. These are the steps: Get an HSV mask of the red. ) append (x) Adds a single element x to the end of a list. You are given a 2D array. Python enables developers to focus on the core functionality of the application by abstracting common programming tasks. We are evaluating your submitted code. Solve Challenge. Each bomb can be planted in any cell of the grid but once planted, it will detonate after exactly 3 seconds. The second line should contain the result of float division, a / b. python finding dominant cells. com like an old school people. Like Practice questions of C | C++ | JAVA | PYTHON | SQL and many more stuff. To fix it, change the second condition and return value as follows (notice the or ): elif n == 1 or m == 1: return n * m. You are given a square grid with some cells open (. None of the rear faces are exposed. 6 of 6Python Average Function Hackerrank Solution. This is very helpful because the question can be difficult to understand, as in the dominant cells example below.