https://leetcode.com/problems/remove-sub-folders-from-the-filesystem/description/


Remove empty subfolders #medium #trie #sort

https://leetcode.com/problems/tuple-with-same-product/description/


Count uniq 4-tupples a*b=c*d #medium #counting #sort

https://leetcode.com/problems/put-marbles-in-bags/description/


Max split sum - min split sum of borders #hard #sort

# 19.06.2025
[2294. Partition Array Such That Maximum Difference Is K](https://leetcode.com/problems/partition-array-such-that-maximum-difference-is-k/description) medium


k-narrow subsequences #medium #sort

# 28.06.2025
[2099. Find Subsequence of Length K With the Largest Sum](https://leetcode.com/problems/find-subsequence-of-length-k-with-the-largest-sum/description/) easy

Subsequence of k largest #easy #sort

# 30.06.2025
[594. Longest Harmonious Subsequence](https://leetcode.com/problems/longest-harmonious-subsequence/description) easy


Longest subsequence with max-min=1 #easy #counting #sort #two_pointers