How to Solve New 21 Game Problem
Master the New 21 Game LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
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New 21 Game
Alice plays the following game, loosely based on the card game "21". Alice starts with 0 points and draws numbers while she has less than k points. During each draw, she gains an integer number of poi...
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Understanding the New 21 Game Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
Alice plays the following game, loosely based on the card game "21". Alice starts with 0 points and draws numbers while she has less than k points. During each draw, she gains an integer number of points randomly from the range [1, maxPts], where maxPts is an integer. Each draw is independent and the outcomes have equal probabilities. Alice stops drawing numbers when she gets k or more points. Return the probability that Alice has n or fewer points. Answers within 10-5 of the actual answer are considered accepted.
New 21 Game
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Examples
n = 10, k = 1, maxPts = 101.00000Alice gets a single card, then stops.
n = 6, k = 1, maxPts = 100.60000Alice gets a single card, then stops. In 6 out of 10 possibilities, she is at or below 6 points.
n = 21, k = 17, maxPts = 100.73278Constraints
0 <= k <= n <= 1041 <= maxPts <= 104How Interview Coder Helps with Leetcode Problems
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