Solve classic LeetCode problems
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This question evaluates proficiency with core data structures and algorithmic techniques including array selection and ordering, string pattern grouping, interval/rectangle merging, and binary search tree range queries.
Question
LeetCode 215. Kth Largest Element in an Array LeetCode 249. Group Shifted Strings Variant of LeetCode 56. Merge Intervals extended to 2-D rectangles LeetCode 938. Range Sum of BST
https://leetcode.com/problems/kth-largest-element-in-an-array/description/ https://leetcode.com/problems/group-shifted-strings/description/ https://leetcode.com/problems/merge-intervals/description/ https://leetcode.com/problems/range-sum-of-bst/description/
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