Why are we taking 2d array we can store sequence in simple vector or 1D array
[Longest Common Subsequence : Unsolved]
(3)

Why it is showing Partially correct even if i have used O(n) time
[Vowel and Consonant Substrings! : Unsolved]
(1)

Easy Solution in O(n) <-- TC and o(1) space complexity cant be easier than this
[Vowel and Consonant Substrings! : Solved]
(1)

Solution using binary search for peak point and final answer
[Search in Bitonic Array! : Solved]
(1)