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How to Solve Removing Minimum Number of Magic Beans Problem
Master the Removing Minimum Number of Magic Beans LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
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Start Free for WindowsMedium#2171
LeetCode ProblemRemoving Minimum Number of Magic Beans
You are given an array of positive integers beans, where each integer represents the number of magic beans found in a particular magic bag. Remove any number of beans (possibly none) from each bag such that the number of beans in each remaining non-empty bag (still containing at least one bean) is equal. Once a bean has been removed from a bag, you are not allowed to return it to any of the bags. Return the minimum number of magic beans that you have to remove.
ArrayGreedySortingEnumerationPrefix Sum
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Problem Breakdown
Understanding the Removing Minimum Number of Magic Beans Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
You are given an array of positive integers beans, where each integer represents the number of magic beans found in a particular magic bag. Remove any number of beans (possibly none) from each bag such that the number of beans in each remaining non-empty bag (still containing at least one bean) is equal. Once a bean has been removed from a bag, you are not allowed to return it to any of the bags. Return the minimum number of magic beans that you have to remove.
MediumProblem #2171
LeetCodeRemoving Minimum Number of Magic Beans
Related Topics
ArrayGreedySortingEnumerationPrefix Sum
How Phantom Code Helps
Get real-time assistance for Removing Minimum Number of Magic Beans problems during coding interviews. Phantom Code provides instant solutions and explanations.
Examples
# Example 1
Input
beans = [4,1,6,5]
Output
4
# Example 2
Input
beans = [2,10,3,2]
Output
7
Constraints
1 <= beans.length <= 105
1 <= beans[i] <= 105
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Solve Removing Minimum Number of Magic Beans — You are given an array of positive integers beans, where each integer represents...
Here's the optimal approach using Array:
def solve(input):
# Optimal O(n) solution
return result
Time: O(n) | Space: O(n)
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Frequently Asked Questions
Common questions about solving Removing Minimum Number of Magic Beans and using Phantom Code during coding interviews.
How does Phantom Code help me solve coding problems like Removing Minimum Number of Magic Beans during interviews?
Phantom Code generates complete solutions instantly with proper complexity analysis, letting you focus on explaining your approach and demonstrating problem-solving skills rather than getting stuck on implementation details during high-pressure situations.
What if the interviewer asks follow-up questions or modifications to problems like Removing Minimum Number of Magic Beans?
Phantom Code adapts in real-time. Screenshot the modified problem or use audio mode to capture the interviewer's follow-up, and get an updated solution within seconds — including edge cases and optimizations.
Can Phantom Code help me communicate my solution for problems like Removing Minimum Number of Magic Beans?
Yes. Phantom Code provides step-by-step approach explanations with 3 progressive thoughts, so you can walk through your solution naturally. It also provides time and space complexity analysis to discuss trade-offs.
How does Phantom Code assist with different programming languages for Removing Minimum Number of Magic Beans type problems?
Phantom Code supports 11 programming languages including Python, Java, C++, JavaScript, TypeScript, Go, Rust, Ruby, Swift, Kotlin, and C#. Set your preferred language and get idiomatic solutions.
What coding mistakes does Phantom Code help me avoid during Removing Minimum Number of Magic Beans interviews?
Phantom Code catches common mistakes like off-by-one errors, missing edge cases, incorrect base conditions, and suboptimal approaches. It provides clean, well-structured code that handles all edge cases.
Is Phantom Code detectable when solving problems like Removing Minimum Number of Magic Beans during live interviews?
No. Phantom Code runs as an invisible desktop overlay that doesn't appear in screen shares, recordings, or proctoring software. It works with Zoom, HackerRank, CodeSignal, CoderPad, and all major platforms.
How does Phantom Code help when I'm struggling with Removing Minimum Number of Magic Beans style questions under pressure?
The AI provides structured guidance: first the approach (what algorithm/data structure to use and why), then the implementation with clean code, and finally complexity analysis. This helps you think clearly even under pressure.
Does Phantom Code work for the coding platforms used in Removing Minimum Number of Magic Beans interviews?
Yes. Phantom Code works with all major coding platforms including LeetCode, HackerRank, CodeSignal, CoderPad, HackerEarth, and any browser-based coding environment.
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