Maximum Subarray Problem Statement

Ninja has been given an array, and he wants to find a subarray such that the sum of all elements in the subarray is maximum.

A subarray 'A' is considered greater than a subarray 'B' if sum(A) > sum(B). If two subarrays have the same maximum sum, choose the subarray with the larger length.

Explanation:

A subarray is a contiguous part of an array. For example, in an array arr = [1, 2, 3, 4], [1, 2], and [2, 3, 4] are contiguous subarrays, but [1, 3, 4] is not.

Input:

The first line contains an integer 'T' which denotes the number of test cases or queries to be run.

The first line of each test case contains a single integer ‘N’ denoting the size of the array.

The second line of each test case contains ‘N’ space-separated integers denoting the elements of the array.

Output:

For each case, if the returned subarray is correct then print 1, else print 0.

The output of each test case will be printed in a separate line.

Example:

Example 1:
Input: T = 1, N = 4, arr = [1, 2, -1, 3]
Output: 1
Explanation: The subarray [1, 2, -1, 3] has the maximum sum of 5.

Constraints:

  • 1 ≤ T ≤ 5
  • 1 ≤ N ≤ 1000
  • -99 ≤ |arr| ≤ 99
  • Time limit: 1 sec.

Note:

You do not need to input or print anything, it has already been taken care of. Just implement the given function.

AnswerBot
4d

Find the subarray with maximum sum in an array, considering length if sums are equal.

  • Iterate through the array and keep track of the maximum sum subarray seen so far

  • Consider the length of subarrays if...read more

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