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1 vote
3 answers
150 views

Sum of maximum element of all subarray not including the first and last element

I am trying to make an algorithm that calculates the sum of each maximum element in a subarray not including the first and last elements. The naive approach is obvious but I do not want that. Here is ...
user avatar
0 votes
1 answer
412 views

How to find largest subarray of sum k

Let's say you have given an array of size N, which can have a positive and a negative number. we need to return the length of the largest subarray of sum equal to k. I tried to use the sliding window ...
Anurag Tripathi's user avatar
0 votes
1 answer
87 views

How to solve this permutation related problem in O(n^2) complexity?

There are 2 arrays A and B with lengths N and M you have to delete 1 element at a time from B and check if there exists a permutation of B in A Explanation: Example: N = 5 A = [1,2,2,1,1] M = 3 b = [1,...
Yadnesh Khode's user avatar
3 votes
3 answers
5k views

Find number of distinct contiguous subarrays with at most k odd elements

Given an integer array nums, find number of distinct contiguous subarrays with at most k odd elements. Two subarrays are distinct when they have at least one different element. I was able to do it in ...
Prachi Palod's user avatar
1 vote
1 answer
186 views

Possibly simpler O(n) solution to find the Sub-array of length K (or more) with the maximum average

I saw this question on a coding competition site. Suppose you are given an array of n integers and an integer k (n<= 10^5, 1<=k<=n). How to find the sub-array(contiguous) with maximum ...
user1968919's user avatar