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How to Solve Data Stream as Disjoint Intervals Problem
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LeetCode ProblemData Stream as Disjoint Intervals
Given a data stream input of non-negative integers a1, a2, ..., an, summarize the numbers seen so far as a list of disjoint intervals. Implement the SummaryRanges class: Example 1: Constraints: Follow up: What if there are lots of merges and the number of disjoint intervals is small compared to the size of the data stream?
Binary SearchDesignOrdered Set
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Problem Breakdown
Understanding the Data Stream as Disjoint Intervals Problem
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Problem Statement
Given a data stream input of non-negative integers a1, a2, ..., an, summarize the numbers seen so far as a list of disjoint intervals. Implement the SummaryRanges class: Example 1: Constraints: Follow up: What if there are lots of merges and the number of disjoint intervals is small compared to the size of the data stream?
HardProblem #352
LeetCodeData Stream as Disjoint Intervals
Related Topics
Binary SearchDesignOrdered Set
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Examples
# Example 1
Input
—
Output
—
Constraints
0 <= value <= 104
At most 3 * 104 calls will be made to addNum and getIntervals.
At most 102 calls will be made to getIntervals.
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Solve Data Stream as Disjoint Intervals — Given a data stream input of non-negative integers a1, a2, ..., an, summarize th...
Here's the optimal approach using Binary Search:
def solve(input):
# Optimal O(n) solution
return result
Time: O(n) | Space: O(n)
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Frequently Asked Questions
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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.
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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.
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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.
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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 Data Stream as Disjoint Intervals 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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