LeetCode 3089: Find Bursty Behavior Solution

Master LeetCode problem 3089 (Find Bursty Behavior), a medium challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.

3089. Find Bursty Behavior

Medium

Database

Problem Explanation

Explanation

Given an array of integers representing the number of requests in each time slot, we need to identify bursty behavior where the number of requests exceeds a certain threshold for a consecutive period of time. We can solve this problem by iterating through the array and keeping track of the consecutive period where the number of requests exceed the threshold.

Initialize variables to keep track of the current bursty behavior.
Iterate through the array and update the bursty behavior based on the current number of requests.
If the number of requests exceeds the threshold, update the bursty period.
Return the bursty periods.

Time complexity: O(n) where n is the number of elements in the input array. Space complexity: O(1)

Solution Code

import java.util.ArrayList;
import java.util.List;

class Solution {
    public List<int[]> findBurstyBehavior(int[] requests, int threshold) {
        List<int[]> burstyPeriods = new ArrayList<>();
        int start = -1;
        int end = -1;
        
        for (int i = 0; i < requests.length; i++) {
            if (requests[i] > threshold) {
                if (start == -1) {
                    start = i;
                }
                end = i;
            } else {
                if (start != -1 && end != -1) {
                    burstyPeriods.add(new int[]{start, end});
                    start = -1;
                    end = -1;
                }
            }
        }
        
        if (start != -1 && end != -1) {
            burstyPeriods.add(new int[]{start, end});
        }
        
        return burstyPeriods;
    }
}

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