Knowee
Questions
Features
Study Tools

Given an array of integers, find the longest subarray where the absolute difference between any two elements is less than or equal to .

Question

Given an array of integers, find the longest subarray where the absolute difference between any two elements is less than or equal to .

🧐 Not the exact question you are looking for?Go ask a question

Solution

To find the longest subarray where the absolute difference between any two elements is less than or equal to a given value, you can follow these steps:

  1. Initialize two pointers, "start" and "end", both pointing to the first element of the array.
  2. Initialize a variable "maxLength" to keep track of the length of the longest subarray found so far.
  3. Iterate through the array using the "end" pointer, moving it one step at a time.
  4. For each element at the "end" pointer, calculate the absolute difference between it and the element at the "start" pointer.
  5. If the absolute difference is less than or equal to the given value, update the "maxLength" if the current subarray length is greater.
  6. If the absolute difference is greater than the given value, move the "start" pointer one step forward and repeat step 4.
  7. Repeat steps 4-6 until the "end" pointer reaches the end of the array.
  8. Return the value of "maxLength" as the length of the longest subarray.

Here is a sample implementation in Python:

def longest_subarray(arr, diff):
    start = 0
    end = 0
    maxLength = 0

    while end < len(arr):
        if abs(arr[end] - arr[start]) <= diff:
            maxLength = max(maxLength, end - start + 1)
            end += 1
        else:
            start += 1

    return maxLength

You can call this function by passing your array and the desired difference as arguments, like this:

arr = [1, 2, 3, 4, 5]
diff = 2
result = longest_subarray(arr, diff)
print(result)  # Output: 5

In this example, the longest subarray with an absolute difference of 2 or less is the entire array itself.

This problem has been solved

Similar Questions

Given an array of integers, find the longest subarray where the absolute difference between any two elements is less than or equal to .ExampleThere are two subarrays meeting the criterion: and . The maximum length subarray has elements.Function DescriptionComplete the pickingNumbers function in the editor below.pickingNumbers has the following parameter(s):int a[n]: an array of integersReturnsint: the length of the longest subarray that meets the criterionInput FormatThe first line contains a single integer , the size of the array .The second line contains space-separated integers, each an .ConstraintsThe answer will be .Sample Input 064 6 5 3 3 1Sample Output 03Explanation 0We choose the following multiset of integers from the array: . Each pair in the multiset has an absolute difference (i.e., and ), so we print the number of chosen integers, , as our answer.Sample Input 161 2 2 3 1 2Sample Output 15Explanation 1We choose the following multiset of integers from the array: . Each pair in the multiset has an absolute difference (i.e., , , and ), so we print the number of chosen integers, , as our answer.

Find the maximum element from the given array of integers.

longest consecutive elementsYou need to write a function that takes an unsorted array of integers as input and returns the length of the longest consecutive elements sequence in the array. A consecutive elements sequence is a subarray where the elements are adjacent in value, such as [1, 2, 3, 4] or [5, 6, 7, 8]. The order of the elements in the input array does not matter.For example, given the input array [100, 4, 200, 1, 3, 2], the longest consecutive elements sequence is [1, 2, 3, 4], which has a length of 4. Therefore, your function should return 4.In this case, there are no consecutive elements in the array, so the length of the longest consecutive element sequence is 1.Testcase:Input11  // no of elements of array8 10 12 14 1 2 3 4 5 6 7  // array elementsOutput:8

Given an integer array arr, write a program to find the subarray which has the largest sum and return its sum. If the array is empty, return 0.Sample Input:9-2 -1 -3 4 -1 2 1 -5 4Sample Output: 6Explanation:The subarray is [4, -1, 2, 1] and the sum is 6

Write a program for the maximum possible difference between two subsets of an array.Given an array of n integers. The array may contain repetitive elements, but the highest frequency of any element must not exceed two. Make two subsets such that the difference of the sum of their elements is maximum and both of them jointly contain all elements of the given array along with the most important condition, no subset should contain repetitive elements. ExampleInput:45 8 -1 4Output:Maximum Difference = 18Explanation:Suppose arr[ ] = {5, 8, -1, 4}Let Subset A = {5, 8, 4} & Subset B = {-1}Sum of elements of subset A = 17, of subset B = -1Difference of Sum of Both subsets = 17 - (-1) = 18Input format :The first input line consists of the size of an array, n.The second input consists of the array elements, separated by space.Output format :The output displays the maximum possible difference between two subsets of an array.Refer to the sample output for the formatting specifications.Code constraints :2 ≤ n ≤ 100Sample test cases :Input 1 :74 2 -3 3 -2 -2 8Output 1 :Maximum Difference = 20Input 2 :45 8 -1 4Output 2 :Maximum Difference = 18

1/3

Upgrade your grade with Knowee

Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.