Longest Univalue Path

Rearrange String

Delete middle element from stack

Shortest path in an unweighted graph

Search For Integers With Given Difference And At Given Distance

Special Binary Tree.

Fire in the cells.

Check if the Word is present in Sentence or not

Overlapping ABBA

Left Sum

Count Distinct Element in Every K Size Window

Point to Greatest Value Node

First non repeating character

Count Frequency

K Turns Allowed

Find Longest Sequence

Chocolate Fest

Maximum subarray

Subtree of Another Tree

Maximum Size Rectangle Sub-matrix With All 1's

Count derangements

Matrix Median

Count Triplets

Max GCD Pair

Max element in the path