java.lang.Object
g1501_1600.s1508_range_sum_of_sorted_subarray_sums.Solution

public class Solution extends Object
1508 - Range Sum of Sorted Subarray Sums\. Medium You are given the array `nums` consisting of `n` positive integers. You computed the sum of all non-empty continuous subarrays from the array and then sorted them in non-decreasing order, creating a new array of `n * (n + 1) / 2` numbers. _Return the sum of the numbers from index_ `left` _to index_ `right` ( **indexed from 1** )_, inclusive, in the new array._ Since the answer can be a huge number return it modulo 109 + 7. **Example 1:** **Input:** nums = [1,2,3,4], n = 4, left = 1, right = 5 **Output:** 13 **Explanation:** All subarray sums are 1, 3, 6, 10, 2, 5, 9, 3, 7, 4. After sorting them in non-decreasing order we have the new array [1, 2, 3, 3, 4, 5, 6, 7, 9, 10]. The sum of the numbers from index le = 1 to ri = 5 is 1 + 2 + 3 + 3 + 4 = 13. **Example 2:** **Input:** nums = [1,2,3,4], n = 4, left = 3, right = 4 **Output:** 6 **Explanation:** The given array is the same as example 1. We have the new array [1, 2, 3, 3, 4, 5, 6, 7, 9, 10]. The sum of the numbers from index le = 3 to ri = 4 is 3 + 3 = 6. **Example 3:** **Input:** nums = [1,2,3,4], n = 4, left = 1, right = 10 **Output:** 50 **Constraints:** * `n == nums.length` * `1 <= nums.length <= 1000` * `1 <= nums[i] <= 100` * `1 <= left <= right <= n * (n + 1) / 2`
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • rangeSum

      public int rangeSum(int[] nums, int n, int left, int right)