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Java-based LeetCode algorithm problem solutions, regularly updated
2389\. Longest Subsequence With Limited Sum
Easy
You are given an integer array `nums` of length `n`, and an integer array `queries` of length `m`.
Return _an array_ `answer` _of length_ `m` _where_ `answer[i]` _is the **maximum** size of a **subsequence** that you can take from_ `nums` _such that the **sum** of its elements is less than or equal to_ `queries[i]`.
A **subsequence** is an array that can be derived from another array by deleting some or no elements without changing the order of the remaining elements.
**Example 1:**
**Input:** nums = [4,5,2,1], queries = [3,10,21]
**Output:** [2,3,4]
**Explanation:** We answer the queries as follows:
- The subsequence [2,1] has a sum less than or equal to 3. It can be proven that 2 is the maximum size of such a subsequence, so answer[0] = 2.
- The subsequence [4,5,1] has a sum less than or equal to 10. It can be proven that 3 is the maximum size of such a subsequence, so answer[1] = 3.
- The subsequence [4,5,2,1] has a sum less than or equal to 21. It can be proven that 4 is the maximum size of such a subsequence, so answer[2] = 4.
**Example 2:**
**Input:** nums = [2,3,4,5], queries = [1]
**Output:** [0]
**Explanation:** The empty subsequence is the only subsequence that has a sum less than or equal to 1, so answer[0] = 0.
**Constraints:**
* `n == nums.length`
* `m == queries.length`
* `1 <= n, m <= 1000`
* 1 <= nums[i], queries[i] <= 106