Problem · Array

Maximum Size Subarray Sum

MediumThe D. E. Shaw GroupFULLTIMEOA

Given an array a, create another array b where b[i] is the size of the maximum subarray which includes a[i] and a[i] is the maximum element in that subarray.

Return the sum of all elements of array b.

Function Description

Complete the function maximumSizeSubarraySum in the editor.

maximumSizeSubarraySum has the following parameter:

  1. int a[]: an array of integers

Returns

int: the sum of all elements of array b

Examples
01 · Example 1
a = {10, 20, 10, 9, 12, 14}
return = 17
The sum of all elements of array b is 1 + 6 + 2 + 1 + 3 + 4 = 17.
Constraints
a.length <= 105
More The D. E. Shaw Group problems
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public int maximumSizeSubarraySum(int[] a) {
  // write your code here
}
a{10, 20, 10, 9, 12, 14}
expected17
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