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Grokking the Coding Interview Patterns in Go

Solution: Longest Subsequence With Limited Sum

Explore how to determine the longest subsequence in an array where the sum does not exceed given query values. Understand the use of sorting, prefix sums, and binary search to solve this problem efficiently within time and space constraints. This lesson equips you with a strategic approach to handle similar coding interview questions effectively.

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Statement

You are given an integer array, nums, of length n, and an integer array, queries, of length m.

For each element in queries, determine the maximum number of elements that can be selected from nums to form a subsequenceA subsequence is formed by removing zero or more elements from the array without changing the order of the remaining elements. such that the sum of the selected elements is less than or equal to the query value.

Return an array answer of length m, where answer[i] represents the size of the largest subsequence of nums whose sum is less than or equal to queries[i].

Constraints

  • n ==== nums.length

  • m ==== queries.length

  • ...