Coin game leetcode. We play a game against an opponent by alternating turns.

Coin game leetcode Add Two Numbers. com/problems/find-the-winni Aug 11, 2023 · Welcome back to our daily LeetCode problem-solving series! Today, we’ll dive into problem 518, “Coin Change II. Jul 23, 2025 · Given an array arr [] of size n which represents a row of n coins of values V1 . You may assume that you have an infinite number Sep 18, 2023 · A and B are playing a game. This is a live recording of a real engineer solving a problem liv 322. Just put it up to stay consist Problem statement: Consider a row of n coins of values v1 . Each balloon is painted with a number on it represented by an array nums. Starting with you, both players take turns, picking one coin from either end of the line and adding its value to their individual scores. Example: The Geek Hub for Discussions, Learning, and Networking. In each round of the game, we compare arr[0] with arr[1], the larger integer wins and remains at position 0, and the smaller integer moves to the end of the Jul 29, 2021 · 1908. Starting with Alice, each player takes turns to pick coins with a total value of 115. Learning any new technical skill Jul 27, 2022 · You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Given a list piles, where piles[i] is a list of integers denoting the composition of the ith pile from Can you solve this real interview question? Stone Game - Alice and Bob play a game with piles of stones. Longest Palindromic Substring. Each pile consists of a positive number of coins of assorted denominations. You are given an integer target and a 0-indexed 2D integer array types where types[i] = [counti, marksi] indicates that there are counti questions of the ith type, and each one of them is worth marksi points. More formally, moving clockwise from the ith friend brings you to the (i+1)th friend for 1 <= i < n, and moving clockwise from the nth friend brings you to the 1st friend. If that amount of money cannot be made up #Day362 of #365daysofcode Coding Platform : Leetcode Language : Java Today I solved Find the Winning Player in Coin Game problem. . Arranging Coins in Python, Java, C++ and more. * From your position, you can walk Sep 27, 2022 · Given N coins, the task is to find who win the coin game. arr[0] and arr[1]). If you burst the ith balloon, you will get nums[i - 1] * nums[i] * nums[i + 1] coins. For this question we’re given a array of integers coins of different coin denominations Help with leetcode: Coin Change Problem: given an array of coin values and a target amount, return the least number of coins required to reach the target amount, or -1 if no combination of coins can reach the target. Jan 6, 2021 · Coin Change - Dynamic Programming Bottom Up - Leetcode 322 NeetCode 1M subscribers Subscribe Can you solve this real interview question? Coin Path - Level up your coding skills and quickly land a job. In-depth solution and explanation for LeetCode 322. In-depth solution and explanation for LeetCode 3222. If that amount of money cannot be made up by any combination of the coins, return 0. Nov 4, 2021 · It’s one of the most popular questions on leetcode that seems very easy at first. Feb 3, 2021 · #dp #competitiveprogramming #coding #dsa #dynamicprogramming Hey Guys in this video I have explained with code how we can solve the problem 'Coin game winner where every player has three choices Mar 11, 2021 · This question seems to be very easy at first sight and the solution also comes up to mind, but believ Tagged with programming, cpp, algorithms, leetcode. Coin Change II (2D DP) Sup Champs! Another day, another leetcode question. You may assume that you have an infinite number Can you solve this real interview question? Inverse Coin Change - You are given a 1-indexed integer array numWays, where numWays[i] represents the number of ways to select a total amount i using an infinite supply of some fixed coin denominations. You are given two integer arrays of length n, aliceValues and bobValues. Geek can win by picking 3 coins in first chance. This is a two player game. Maximum Number of Coins You Can Get in Python, Java, C++ and more. The objective of the problem is to determine the maximum possible amount of money a player can definitely win, if he move first. Determine Can you solve this real interview question? Arranging Coins - You have n coins and you want to build a staircase with these coins. If the player is unable to do so, they lose the game. Once a coin is picked up, it's removed from the line. Jan 6, 2021 · Coin Change - Dynamic Programming Bottom Up - Leetcode 322 NeetCode 1M subscribers Subscribe The Geek Hub for Discussions, Learning, and Networking. You have to take exactly k cards. Predict the Winner - You are given an integer array nums. You may assume that you have an Can you solve this real interview question? Stone Game VI - Alice and Bob take turns playing a game, with Alice starting first. You are also given a 0-indexed array coins of size n where The Geek Hub for Discussions, Learning, and Networking. Find the Winning Player in Coin Game in Python, Java, C++ and more. * 'X' and 'O' characters are always placed into empty Nov 20, 2022 · How to Solve Coin Change Problem — Leetcode 518 Java Solution for Leetcode 518 Originally published in https://asyncq. Can you solve this real interview question? Find Winner on a Tic Tac Toe Game - Tic-tac-toe is played by two players A and B on a 3 x 3 grid. Inverse Coin Change - LeetCode Wiki Home LeetCode Cracking the Coding Interview Focused Training Contest LeetCode Wiki doocs/leetcode Home LeetCode LeetCode Leetcode all problems list, with company tags and solutions. * On each turn, the person whose turn it is will remove 1 to 3 stones from the heap. in/ght8b3iq Solution : https://lnkd. We can derive the following transition if t a r g e Can you solve this real interview question? Maximum Points After Collecting Coins From All Nodes - There exists an undirected tree rooted at node 0 with n nodes labeled from 0 to n - 1. You have a set of coins in your wallet. Also, if a player cannot make a move, he/she loses the game. * Of your choice, Alice will pick the pile with the maximum number of coins. In each move, a player can pick x or y or 1 coin. You and your friend take turns to flip two consecutive"++" into "--". Return the fewest number of coins that you need to make up that amount. 🔥LeetCode solutions in any programming language | 多种编程语言实现 LeetCode、《剑指 Offer（第 2 版）》、《程序员面试金典（第 6 版）》题解 - doocs/leetcode Can you solve this real interview question? Coin Change - You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. java Let's play the minesweeper game (Wikipedia, online game)! You are given an m x n char matrix board representing the game board where: 'M' represents an unrevealed mine, 'E' represents an unrevealed empty square, 'B' represents a revealed blank square that has no adjacent mines (i. Alice and Bob take turns, with Alice LeetCode problem 3222, titled "Find the Winning Player in Coin Game," involves a strategic game where players Alice and Bob take turns picking coins to reach Dec 28, 2024 · 3222. As a result, on the top of the tree, all possible stacks of coins would be as follows: [5,2,2,2], [2,5 Can you solve this real interview question? Bag of Tokens - You start with an initial power of power, an initial score of 0, and a bag of tokens given as an integer array tokens, where each tokens[i] denotes the value of tokeni. Example 1: Input: nums = [2,3,1,1,4] Output: true Explanation: Jump 1 step from index 0 to 1 You are given a string currentState that contains only '+' and '-'. You may assume that you have an Jul 20, 2024 · Welcome to Komal Pal channel, Here we update videos in context to placement preparation and all around it stuffs You can connect with me on / komal-pal-8a9a82155 / komalpalyt / komal__pal Join my Apr 21, 2021 · Predict The Winner Leetcode Problem #486 (Medium) Introduction This blog post covers the Predict The Winner problem on Leetcode. […] Jan 18, 2022 · This is a new version of coin change. length. The game ends when a person can no longer make a move, and therefore the other person will be the winner. First of all, I participated the monthly challange April & May, so this really helped me to build a habbit of daily problem solving Then I started to May 6, 2023 · DSA Stories — Leetcode 518. To see how the elements of dynamic programming come together in a real problem, let’s explore the classic dynamic programming problem Coin Change (LeetCode 322). Dec 25, 2019 · Hi folks, I found a list of Blind 75 Leetcode problems. Player 1 and player 2 take turns, with player 1 starting first. 11. 4. Problem Statement We have been given n coins and we need to Jun 7, 2020 · June 2020 Leetcode ChallengeLeetcode - Coin Change 2I considered not uploading this video because I wasn't on my A game today. Coin Change - You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Determine May 30, 2024 · Example 1: Input: n = 5 x = 3 y = 4 Output: 1 Explanation: There are 5 coins, every player can pick 1 or 3 or 4 coins on his/her turn. Find the Winning Player in Coin Gamehttps://leetcode. Can you solve this real interview question? Jump Game - You are given an integer array nums. Coin Change Leetcode Problem : You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Find the Winning Player in Coin Game (LeetCode in Common Lisp) Can you solve this real interview question? Collect Coins in a Tree - There exists an undirected and unrooted tree with n nodes indexed from 0 to n - 1. For a given value of n, find whether A will win the game or not if both are playing optimally. Apr 27, 2023 · Sup Champs! We’re back again with another DP Leetcode question. e. The friends are sitting in a circle and are numbered from 1 to n in clockwise order. If i - 1 or i + 1 goes out of bounds of the array, then treat it as if there is a Jun 16, 2022 · Explore three different solutions to a difficult Python problem “LeetCode Coin Change Problem” To maximize their chances of landing a job, beginner data scientists should learn a new skill. The staircase consists of k rows where the ith row has exactly i coins. The number of coins to be placed at node i can be calculated as: * If size of the subtree of node i is less than 3, place 1 coin. The last row of the staircase may be incomplete. There are total 241 dp tagged problems in LeetCode as of Today, and 26 of them are locked so I only solved the public ones. Example 1: Alice picks 1 coin with a value of 75 and 4 coins with a value of 10. On each player’s turn, the player should remove any positive number of stones from a non-empty pile of his or her choice. If not, skip the coin and go to the next index and try LeetCode solutions in any programming language Can you solve this real interview question? Number of Ways to Earn Points - There is a test that has n types of questions. Coins can be used any number of times. You are given an integer n and a 2D integer array edges of length n - 1, where edges[i] = [ai, bi] indicates that there is an edge between nodes ai and bi in the tree. There are two coin chain problems: the minimum coins problem and the coin change combination problem. 2. Your score is the sum of the points of the In-depth solution and explanation for LeetCode 1561. Alice and Bob are playing a game. You may assume that you have an infinite number Can you solve this real interview question? Flip Game - Level up your coding skills and quickly land a job. The total number of stones across all the piles is odd, so there are no ties. Introduction Greedy algorithms are one of the most deceptively simple yet powerful tools in the algorithmic toolbox. Collect Coins in a Tree in Python, Java, C++ and more. Connect with me: https://linktr. Now 2 coins will be left so his friend will pick one coin and now Geek can win by picking the last coin. You may assume that you have an Coin Game Coin Game You and a friend are playing a game with n coins arranged in a straight line, where each coin has a distinct value given by coins[i]. Both players start the game with a score of 0. May 30, 2025 · Mastering the Greedy Algorithm: From LeetCode Puzzles to Infrastructure 1. You are given a 2D integer array edges of length n - 1, where edges[i] = [ai, bi] indicates that there is an edge between nodes ai and bi in the tree. If a player cannot make such a move, that player LeetCode Solutions in C++23, Java, Python, MySQL, and TypeScript. In one step, you can take one card from the beginning or from the end of the row. Sharing it as I found it very useful. A always starts the game. Coin Change - Explanation Problem Link Description You are given two integer arrays nums1 and nums2, both sorted in non-decreasing order, along with two integers m and n, where: m is the number of valid elements in nums1, n is the number of elements in nums2. Find the Winning Player in Coin Game - LeetCode Wiki. Can you solve this real interview question? Maximum Points You Can Obtain from Cards - There are several cards arranged in a row, and each card has an associated number of points. Better than official and forum solutions. You need to Can you solve this real interview question? Stone Game IV - Alice and Bob take turns playing a game, with Alice starting first. LeetCode solutions in any programming language3592. The player who picks the last coin wins the game or the person who is not able to pick any coin loses the game. Sep 18, 2023 · The player who picks the last coin wins the game or the person who is not able to pick any coin loses the game. Aug 18, 2024 · August 18, 2024 Computer Science TypeScript JavaScript LeetCode Meditations: Coin Change Let's start with the description for this problem: You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Coin game is a game in which each player picks coins from the given N coins in such a way that he can pick coins ranging from 1 to 5 coins in one turn and the game continues for both the players. 5. Given the integer n, return the number of complete rows of the staircase you will build. You may assume that you have an infinite number of each kind of coin. ” In this problem, we are tasked with counting the number of combinations that Can you solve this real interview question? Arranging Coins - You have n coins and you want to build a staircase with these coins. You are also given an array coins of size n where coins[i] can be either 0 Sep 15, 2024 · Coin Change — LeetCode Problem 43: Coin Change You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. You may assume that you have an You need to place some coins on every node of the tree. I'm currently going through the Grokking Dynamic Programming course from educative. * Otherwise, place an amount of coins equal to the maximum product of cost values assigned to 3 distinct nodes in the subtree of node i. “Coin Change —LeetCode 322” is published by Allie Hsu in Coder Life. The winner is the one with the higher score when Would you guys be interested in a live session where you can discuss LeetCode questions with me as per demand? We can start with the easy category of questions and see how that goes. * The first player A always places 'X' characters, while the second player B always places 'O' characters. Coin change is a classic dynamic programming problem. Coin Change in Python, Java, C++ and more. The Interviewer: Sure, let’s discuss the brute-force approach first. Return the number of ways you can earn exactly target points in Can you solve this real interview question? Find the Winner of an Array Game - Given an integer array arr of distinct integers and an integer k. krishnadey Happy Aug 12, 2023 · Problem Statement In this question, you are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. . com/neetcode1🐮 S Jul 30, 2022 · I'm having some trouble understanding two different methods of dynamic programming used to solve this problem. The points are given in the integer array cardPoints. Examples: Input: N = 4 Output: First Player Explanation: Player 1 pick 3 coins and Player 2 In-depth solution and explanation for LeetCode 486. Each turn, starting with Alice, the player must pick up coins with a total value 115. Your task is to Can you solve this real interview question? Coin Path - Level up your coding skills and quickly land a job. Example 1: Input: nums = [2,3,1,1,4] Output: true Explanation: Jump 1 step from index 0 to 1 Constraints: 1 <= coins. Can you solve this real interview question? Coin Change - You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. You are initially positioned at the array's first index, and each element in the array represents your maximum jump length at that position. In the beginning, there are n coins. com Problem We have an infinite number of different types of coins such as … Apr 23, 2019 · The player who cannot divide the pile i. Can you solve this real interview question? Maximum Number of Coins You Can Get - There are 3n piles of coins of varying size, you and your friends will take piles of coins as follows: * In each step, you will choose any 3 piles of coins (not necessarily consecutive). In one move, you can play an unplayed token in one of the two ways (but not both for Can you solve this real interview question? Find the Winner of the Circular Game - There are n friends that are playing a game. The only difference is the order of loops. Return the maximum amount of gold you can collect under the conditions: * Every time you are located in a cell you will collect all the gold in that cell. The array nums1 has a total length of (m+n), with the first m elements containing the values to be merged, and the last n elements Can you solve this real interview question? Coin Change II - You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. 0 is true. In-depth solution and explanation for LeetCode 441. The rules of Tic-Tac-Toe are: * Players take turns placing characters into empty squares ' '. However, the exact coin denominations have been lost. gg/ddjKRXPqtk🐦 Twitter: https://twitter. Each denomination is a positive integer with value at most numWays. I will proceed with an obvious (albeit wrong) solution and In-depth solution and explanation for LeetCode 2603. This is the best place to expand your knowledge and get prepared for your next interview. You are asked to burst all the balloons. 7. Return true if you can reach the last index, or false otherwise. * You and your friend will alternate taking turns, and you go first. In this game, there are n piles of stones. Level up your coding skills and quickly land a job. Larry solves and analyzes this Leetcode problem as both an interviewer and an interviewee. Given a positive integer n, return true if 🚀 https://neetcode. Interviewee: The brute-force approach involves trying all possible combinations of coins to find the minimum number of coins that sum up to the given amount. Median of Two Sorted Arrays. , above, below, left, right, and all 4 diagonals), Jan 20, 2019 · Total Unique Ways To Make Change - Dynamic Programming ("Coin Change 2" on LeetCode) Jan 3, 2021 · Hi All, I just completed my DP adventure which I started in last June and I would like to share my findings in this post. Can you solve this real interview question? Stone Game - Alice and Bob play a game with piles of stones. Examples: Input Problem Description Given two positive integers x and y representing the number of coins with values 75 and 10 respectively, Alice and Bob play a game. In each turn, a player selects either the first or last coin from the row, removes it from the row permanently, and receives the value of the coin. Write a function to compute the fewest number of coins that you need to make up that amount. 1. The task is to determine which player wins if P1 starts the game and both the players play optimally. Palindrome Number. Mar 30, 2022 · Difficulty: Medium; Category: Dynamic Programming. In this video we discuss first problem of Leetcode BiWeekly contest 1353222. A game will be played between the first two elements of the array (i. Question: https://lnkd. There are even number of coins arranged in a row. ee/tech. Reverse Integer. length <= 300 1 <= coins[i] <= 5000 All the values of coins are unique. Two robots are playing a game on this matrix. There are an even number of piles arranged in a row, and each pile has a positive integer number of stones piles[i]. Coin Change — Python Solution Blind 75 — Programming & Technical Interview Questions — Explanation Series The problem: The explanation: Originally I thought this solution was … leetcode_hackerrank_java_solutions / Coin_game_winner_where_every_player_has_three_choices. There are n stones in a pile. Alice and Bob take turns, with Alice Jul 21, 2024 · Alice and Bob are playing a game. Given two more numbers x and y. Can you solve this real interview question? Maximum Value of K Coins From Piles - There are n piles of coins on a table. Initially, there are n stones in a pile. Each valid turn strictly requires picking 1 coin of value 75 and 4 coins of value 10 (since 75 + 4*10 = 115). Geek and its Game of Coins Solution. Lets say [1, 5,10]. Game of Nim Level Medium Description Alice and Bob take turns playing a game with Alice starting first. * The one who removes the last stone is the winner. com Introduction In this article we will solve leetcode # 441 using Binary Search Data Structure. Join LeetCode and start earning your points today! In-depth solution and explanation for LeetCode 322. In one move, you can choose any coin on top of any pile, remove it, and add it to your wallet. We play a game against an opponent by alternating turns. Give the problem a try before going through the video Can you solve this real interview question? House Robber - You are a professional robber planning to rob houses along a street. Shop with LeetCoins. Determine the maximum possible amount of money we can definitely win if we move first Jul 29, 2022 · Maximum Weighted K-Edge Path Problem You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. vn, where n is even. Two players are playing a game with this array: player 1 and player 2. 0 <= amount <= 5000 Approach 1: Dynamic Programming This problem is very similar to 0377 - Combination Sum IV (Medium). May 23, 2025 · When I first encountered Leetcode 3222: Find the Winning Player in Coin Game, I assumed it was about total coin value. Example 3: Input: amount = 10, coins = [10] Output: 1 Note: You can assume that 0 <= amount <= 5000 1 <= coin <= 5000 the number of coins is less than 500 the answer is guaranteed to fit into signed 32-bit integer Solution 1 Can you solve this real interview question? Coin Change II - You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. The objective of the game is to end with the most stones. There will be alternate turns. Obviously, the knowledge of SQL is expected, but looking at job descriptions, you might’ve noticed that Python is one of the skills in particularly high demand. Two Sum. The first player who cannot make a move loses, and the other player wins. Return the number of combinations that make up that amount. On each player's turn, they can remove a stone from the pile and receive points based on the stone's value. If that amount of money cannot be made up by any combination of the coins, return -1. Sep 11, 2024 · Problem Statement LeetCode-322: You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Can you solve this real interview question? Maximum Coin Collection - Level up your coding skills and quickly land a job. The player who picks the last coin loses the game. You may assume that you have an infinite number of each kind of Jun 2, 2024 · Welcome to our detailed walkthrough of LeetCode 293, known as "Flip Game". We can start by recursively subtracting each coin value from the amount and keep count of the coins used. Grid Game - You are given a 0-indexed 2D array grid of size 2 x n, where grid [r] [c] represents the number of points at position (r, c) on the matrix. Master LeetCode 293 Flip Game in Python with linear scan and twopointer solutions Clear examples included Problem statement: Consider a row of n coins of values v1 . Intuitions, example walk through, and complexity analysis. LeetCode problem 3222, titled "Find the Winning Player in Coin Game," involves a strategic game where players Alice and Bob take turns picking coins to reach a total value of 115 in each turn. Return the name of the player who wins the game if both players play optimally. String to Integer (atoi) 9. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each of them is that adjacent houses have security systems connected and it will automatically contact the police if two adjacent houses were broken into on the same night Level up your coding skills and quickly land a job. If you’re new to DP questions or after reading this you’re lost on the thought process, feel free to look at my introductory Find the Winning Player in Coin Game - You are given two positive integers x and y, denoting the number of coins with values 75 and 10 respectively. eg: 0 -> true 1 -> true 2 -> false 6 -> true 11-> true 16-> true 17 ->false In-depth solution and explanation for LeetCode 293. The problem: Given a set of integer coin denominations and an integer amount, return the fewest number of coins that make that amount, or -1 if there is no solution. Nov 18, 2020 · LeetCode Challenge You are given coins of different denominations and a total amount of money amount. Can you solve this real interview question? Find the Winning Player in Coin Game - You are given two positive integers x and y, denoting the number of coins with values 75 and 10 respectively. Contribute to Untolders/Geek-and-its-Game-of-Coins-Solution development by creating an account on GitHub. io/ - A better way to prepare for Coding Interviews🥷 Discord: https://discord. There are n stones arranged in a row. The Coin Change problem in LeetCode is a classic algorithmic problem that deals with finding the minimum number of coins needed to make a specific amount of money (often referred to as the target amount) using a given set of coin denominations. This video provides an in-depth analysis and step-by-step solution to help you understand and solve this engaging coding Sep 24, 2022 · Originally published at https://asyncq. Regular Expression Matching. The reason is that (1, 1, 2) and (2, 1, 1) are considered different in that problem. Flip Game in Python, Java, C++ and more. 10. if given an input return true or false whether you can buy it or not. Predict the Winner in Python, Java, C++ and more. It seemed logical… Feb 6, 2023 · Now, we’ll introduce LeetCode 322. It is a dynamic programming problem. The rules Why is there a 1 + when you select the current j'th coin denomination for consideration? Is it because since there is a valid coin denomination, we have unlocked a new method to make up the i'th amount? Can you solve this real interview question? Find the Winning Player in Coin Game - You are given two positive integers x and y, denoting the number of coins with values 75 and 10 respectively. 8. * You will pick the next pile with the maximum Can you solve this real interview question? Path with Maximum Gold - In a gold mine grid of size m x n, each cell in this mine has an integer representing the amount of gold in that cell, 0 if it is empty. 3. Return the name of the player Jul 10, 2022 · LeetCode 322. in Can you solve this real interview question? Coin Change - You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Jul 31, 2024 · Each turn, starting with Alice, the player must pick up coins with a total value 115. Alice and Bob may value the stones differently. In each turn, a player can either select the first coin in the row or the last coin in the row and keep it with him. Return the name of the player Coin Change - You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Coin Change, which is a classic DP problem: You are given an integer array coins representing coins of different denominations and an integer amount May 1, 2017 · Example 2: Input: amount = 3, coins = [2] Output: 0 Explanation: the amount of 3 cannot be made up just with coins of 2. Detailed solution and code for LeetCode Problem 3222: Find the Winning Player in Coin Game on SyntaxHut. Return the name of the player Find the Winning Player in Coin Game - You are given two positive integers x and y, denoting the number of coins with values 75 and 10 respectively. Jun 27, 2024 · Learn dynamic programming, BFS, and memoization techniques to solve the Coin Change problem on LeetCode with step-by-step Python solutions. Longest Substring Without Repeating Characters. Vn, where n is even. The players can see how many coins are there in each gold pot, and each player gets alternating turns in which the player can pick a pot from one of the ends of the line. On each player's turn, that player makes a move consisting of removing any non-zero square number of stones in the pile. io, and their approach is to use subsets to search for each combination. I bombed the interview btw : (. 6. They go about testing if a coin is viable, if so, then try it in the DFS. * You will pick the next pile with the maximum Can you solve this real interview question? Coin Change II - You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. the number of coins in the pile is < 2, loses the game. Example 2: Given two positive integers x and y representing the number of coins with values 75 and 10 respectively, Alice and Bob play a game. Each Coin Change (LeetCode 322) | Full solution with beautiful diagrams and visuals | Simplified Aug 22, 2023 · Every time the execution flow goes up, the related branch’s coin is added back to a stack. Nim Game - You are playing the following Nim Game with your friend: * Initially, there is a heap of stones on the table. Can you solve this real interview question? Burst Balloons - You are given n balloons, indexed from 0 to n - 1. On each player's turn, they can remove either the leftmost stone or the rightmost stone from the row and receive points equal to the sum of the remaining stones' values in the row. Sep 12, 2025 · There are two players, `A` & `B`, in the Pots of the gold game, and pots of gold arranged in a line, each containing some gold coins. You can use one coin only once. Can you solve this real interview question? Stone Game VII - Alice and Bob take turns playing a game, with Alice starting first. Zigzag Conversion. Your goal is to maximize the total score by strategically playing these tokens. vun zljq honauo ggr bdjiajp pjejjq fmf nfydeff wopc ywerzl bjimf tsmy xkbqwv kmyvbi bvjyitf