Grokking the Coding Interview Patterns in C++/

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Solution: Count Pairs Whose Sum is Less than Target

Solution: Count Pairs Whose Sum is Less than Target

Let’s solve the Count Pairs Whose Sum is Less than Target problem using the Two Pointers pattern.

We'll cover the following...

Statement

You are given a 0-indexed integer array, nums, of length nn, and an integer target. Your task is to determine the number of distinct pairs of indexes (i,j)(i, j) such that:

  • 0≤i<j<n0 \leq i < j < n (i.e., ii comes before jj ...