# 16.07.2025
[3201. Find the Maximum Length of Valid Subsequence I](https://leetcode.com/problems/find-the-maximum-length-of-valid-subsequence-i/description/) medium
Longest same-pair-parity subsequence #medium #greedy
[3201. Find the Maximum Length of Valid Subsequence I](https://leetcode.com/problems/find-the-maximum-length-of-valid-subsequence-i/description/) medium
Longest same-pair-parity subsequence #medium #greedy
👍2
# 17.07.2025
[3202. Find the Maximum Length of Valid Subsequence II](https://leetcode.com/problems/find-the-maximum-length-of-valid-subsequence-ii/description) medium
Longest same-pair-k-parity subsequence #medium #dp
[3202. Find the Maximum Length of Valid Subsequence II](https://leetcode.com/problems/find-the-maximum-length-of-valid-subsequence-ii/description) medium
Longest same-pair-k-parity subsequence #medium #dp
👍2
# 19.07.2025
[1233. Remove Sub-Folders from the Filesystem](https://leetcode.com/problems/remove-sub-folders-from-the-filesystem/description) hard
Fold folders #medium
[1233. Remove Sub-Folders from the Filesystem](https://leetcode.com/problems/remove-sub-folders-from-the-filesystem/description) hard
Fold folders #medium
👍2
# 22.07.2025
[1695. Maximum Erasure Value](https://leetcode.com/problems/maximum-erasure-value/description/) medium
Max unique subarray sum #medium #sliding_window
[1695. Maximum Erasure Value](https://leetcode.com/problems/maximum-erasure-value/description/) medium
Max unique subarray sum #medium #sliding_window
👍1