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How to Solve Maximum Candies You Can Get from Boxes Problem
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LeetCode ProblemMaximum Candies You Can Get from Boxes
You have n boxes labeled from 0 to n - 1. You are given four arrays: status, candies, keys, and containedBoxes where: You are given an integer array initialBoxes that contains the labels of the boxes you initially have. You can take all the candies in any open box and you can use the keys in it to open new boxes and you also can use the boxes you find in it. Return the maximum number of candies you can get following the rules above.
ArrayBreadth-First SearchGraph
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Problem Breakdown
Understanding the Maximum Candies You Can Get from Boxes Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
You have n boxes labeled from 0 to n - 1. You are given four arrays: status, candies, keys, and containedBoxes where: You are given an integer array initialBoxes that contains the labels of the boxes you initially have. You can take all the candies in any open box and you can use the keys in it to open new boxes and you also can use the boxes you find in it. Return the maximum number of candies you can get following the rules above.
HardProblem #1298
LeetCodeMaximum Candies You Can Get from Boxes
Related Topics
ArrayBreadth-First SearchGraph
How Phantom Code Helps
Get real-time assistance for Maximum Candies You Can Get from Boxes problems during coding interviews. Phantom Code provides instant solutions and explanations.
Examples
# Example 1
Input
status = [1,0,1,0], candies = [7,5,4,100], keys = [[],[],[1],[]], containedBoxes = [[1,2],[3],[],[]], initialBoxes = [0]
Output
16
# Example 2
Input
status = [1,0,0,0,0,0], candies = [1,1,1,1,1,1], keys = [[1,2,3,4,5],[],[],[],[],[]], containedBoxes = [[1,2,3,4,5],[],[],[],[],[]], initialBoxes = [0]
Output
6
Constraints
n == status.length == candies.length == keys.length == containedBoxes.length
1 <= n <= 1000
status[i] is either 0 or 1.
1 <= candies[i] <= 1000
0 <= keys[i].length <= n
0 <= keys[i][j] < n
All values of keys[i] are unique.
0 <= containedBoxes[i].length <= n
0 <= containedBoxes[i][j] < n
All values of containedBoxes[i] are unique.
Each box is contained in one box at most.
0 <= initialBoxes.length <= n
0 <= initialBoxes[i] < n
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Solve Maximum Candies You Can Get from Boxes — You have n boxes labeled from 0 to n - 1. You are given four arrays: status, can...
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def solve(input):
# Optimal O(n) solution
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Time: O(n) | Space: O(n)
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Frequently Asked Questions
Common questions about solving Maximum Candies You Can Get from Boxes and using Phantom Code during coding interviews.
How does Phantom Code help me solve coding problems like Maximum Candies You Can Get from Boxes 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 Maximum Candies You Can Get from Boxes?
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 Maximum Candies You Can Get from Boxes?
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 Maximum Candies You Can Get from Boxes 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 Maximum Candies You Can Get from Boxes 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 Maximum Candies You Can Get from Boxes 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 Maximum Candies You Can Get from Boxes 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 Maximum Candies You Can Get from Boxes 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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