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Top 20 Problems on Dynamic programming

Top 10 Problems on Backtracking

Top 20 Problems on Graph

Top 25 Problems on Trees

Top 10 Problems on Bits Manipulation

Top 15 Problems in LinkedList

All Problems

# Status Problem video Level Completes Likes
128

Magic Index - Find Index In Sorted Array Such That A[i] = i.

Beginner % 0
127

Find numbers that are palindrome in the decimal and octal Representations

Beginner % 0
126

Find All the Well Ordered Permutations of a Given String.

Medium % 0
125

Find the Increasing Triplet Sub-sequence in an array

Medium % 0
124

Construct a Special Triangle from a Given Array

Beginner % 0
123

Colorful Numbers

Hard % 2
122

Goldbach's Conjecture

Beginner % 0
120

Convert Decimal into Irreducible Fraction

Beginner % 0
119

Clock Angle Problem

Beginner % 1
117

Track the Maximum Element in a Stack.

Medium % 1
115

Graph Representation - Adjacency Matrix and Adjacency List

Beginner % 2
114

Counting Sort

Medium % 0
113

Towers Of Hanoi

Beginner % 0
112

Generate All Strings of n bits

Medium % 1
111

Find The Missing Duplicate in a Given Array.

Beginner % 1
110

Sort 3 Integers without using if condition OR use only Max() function.

Beginner % 0
109

Euclidean algorithm - Greatest Common Divisor(GCD)

Beginner % 0
108

Implement Queue Using Stacks

Medium % 0
107

Alternate Splitting of a given Linked List

Medium % 0
106

Reverse The Doubly Linked List

Medium % 0
105

Swap Kth Node from the front with the Kth Node from the End

Medium % 0
103

Delete X Nodes After Y Nodes In a Linked List

Beginner % 0
102

Merge Sort in a Linked list

Medium % 0
101

Merge a Linked list into another Linked List at Alternate Positions.

Medium % 0
100

AVL Tree - Insertion

Hard % 0
99

Construct a binary tree from given Inorder and Level Order Traversal

Hard % 0
98

Construct Binary Search Tree from a given Preorder Traversal Using Stack (Without Recursion)

Hard % 0
97

Construct Binary Search Tree from a given Preorder Traversal using Recursion

Hard % 0
94

Depth First Search/Traversal in Binary Tree

Beginner % 0

Magic Index - Find Index In Sorted Array Such That A[i] = i.

Find numbers that are palindrome in the decimal and octal Representations

Find All the Well Ordered Permutations of a Given String.

Find the Increasing Triplet Sub-sequence in an array

Construct a Special Triangle from a Given Array

Colorful Numbers

Goldbach's Conjecture

Convert Decimal into Irreducible Fraction

Clock Angle Problem

Track the Maximum Element in a Stack.

Graph Representation - Adjacency Matrix and Adjacency List

Counting Sort

Towers Of Hanoi

Generate All Strings of n bits

Find The Missing Duplicate in a Given Array.

Sort 3 Integers without using if condition OR use only Max() function.

Euclidean algorithm - Greatest Common Divisor(GCD)

Implement Queue Using Stacks

Alternate Splitting of a given Linked List

Reverse The Doubly Linked List

Swap Kth Node from the front with the Kth Node from the End

Delete X Nodes After Y Nodes In a Linked List

Merge Sort in a Linked list

Merge a Linked list into another Linked List at Alternate Positions.

AVL Tree - Insertion

Construct a binary tree from given Inorder and Level Order Traversal

Construct Binary Search Tree from a given Preorder Traversal Using Stack (Without Recursion)

Construct Binary Search Tree from a given Preorder Traversal using Recursion

Depth First Search/Traversal in Binary Tree