NeetCode #554LC-1425HardHeap / Priority Queue
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#554 · #1425 · Constrained Subsequence Sum(带限制的子序列和)

📌 Problem Statement & Constraints

Given an integer array nums and an integer k, return the maximum sum of a non-empty subsequence such that for every two consecutive chosen indices i < j, j - i <= k. Constraints: 1 <= k <= nums.length <= 10^5, -10^4 <= nums[i] <= 10^4.
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