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Solution: Number of Subsequences That Satisfy the Given Sum Condi

C# solution for the Number of Subsequences That Satisfy the Given Sum Condition problem using the Two Pointers pattern.

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Statement

Given an integer array nums and an integer target, count how many non empty subsequences of nums satisfy the following condition: if minVal is the minimum element in the subsequence and maxVal is the maximum element in the subsequence, then minVal + maxVal <= target.

Return the number of such subsequences modulo 109+710^9 + 7.

Constraints:

  • 1 ...