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All Problems

# Status Problem video Level Completes Likes
85

Find Maximum Distance Between Increasing Elements in Array

Medium % 0
82

Find Nodes at Distance X from a Given Node in a Tree

Hard % 0
81

Find Nodes X Levels Up from Leaf Nodes in a Tree

Medium % 0
65

Given a binary tree, Find the Maximum Path Sum between Any Two Leaves

Medium % 0
57

Sort an Array According to the Order Defined by Another Array

Medium % 0
56

Sort an Array - odd numbers appear first in ascending order followed by the even numbers in descending order.

Medium % 0
54

Maximum Width of a Binary Tree

Medium % 0
52

Find Common Numbers in Three Sorted Arrays

Beginner % 0
49

Find the Unreachable Minimum in Array Subsets

Medium % 0
47

Find the Size of the Binary Tree

Beginner % 0
46

Check if One Binary Tree is a Subtree of Another

Medium % 0
44

Inorder Successor in Binary Tree

Medium % 0
35

Adding Two Numbers with Linked Lists

Medium % 0
34

Add two numbers represented by a linked list, Numbers are Stored in REVERSE order

Medium % 0
31

Reverse a Linked List Using Recursion

Medium % 0
25

String Compression using count of repeated characters - Run Length Encoding

Beginner % 0
24

Replace Spaces with '%20' Without Using Default Functions

Medium % 0
16

Singly Linked List Implementation

Beginner % 0
14

Longest Shared Prefix Sequence in a String

Medium % 0
8

Efficient Search in 2D Sorted Array: Find an Element

Medium % 0
6

Find a peak element in a Given Array

Beginner % 0
3

Hash Table - Java

Beginner % 0

Find Maximum Distance Between Increasing Elements in Array

Find Nodes at Distance X from a Given Node in a Tree

Find Nodes X Levels Up from Leaf Nodes in a Tree

Given a binary tree, Find the Maximum Path Sum between Any Two Leaves

Sort an Array According to the Order Defined by Another Array

Sort an Array - odd numbers appear first in ascending order followed by the even numbers in descending order.

Maximum Width of a Binary Tree

Find Common Numbers in Three Sorted Arrays

Find the Unreachable Minimum in Array Subsets

Find the Size of the Binary Tree

Check if One Binary Tree is a Subtree of Another

Inorder Successor in Binary Tree

Adding Two Numbers with Linked Lists

Add two numbers represented by a linked list, Numbers are Stored in REVERSE order

Reverse a Linked List Using Recursion

String Compression using count of repeated characters - Run Length Encoding

Replace Spaces with '%20' Without Using Default Functions

Singly Linked List Implementation

Longest Shared Prefix Sequence in a String

Efficient Search in 2D Sorted Array: Find an Element

Find a peak element in a Given Array

Hash Table - Java