# Status Problem video Level Completes Likes
152

Breadth-First Search/Traversal in a Graph.

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151

Breadth-First Search/Traversal in a Binary Tree

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Sort Names by their Last Names.

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Introduction To Backtracking Programming

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146

Dynamic Programming - Stairs Climbing Puzzle

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Introduction To Dynamic Programming - Fibonacci Series

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141

Find a Number occurring odd number of times in a Given array

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139

Find a Missing Number From a Sequence of Consecutive Numbers | XOR Method

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Find the Max element in a Given Binary Tree

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136

Check If One Binary is Mirror Tree of another Binary Tree.

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128

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

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127

Find numbers that are palindrome in the decimal and octal Representations

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124

Construct a Special Triangle from a Given Array

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122

Goldbach's Conjecture

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120

Convert Decimal into Irreducible Fraction

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119

Clock Angle Problem

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115

Graph Representation - Adjacency Matrix and Adjacency List

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113

Towers Of Hanoi

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111

Find The Missing Duplicate in a Given Array.

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110

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

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109

Euclidean algorithm - Greatest Common Divisor(GCD)

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103

Delete X Nodes After Y Nodes In a Linked List

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94

Depth First Search/Traversal in Binary Tree

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91

Check if Array is Consecutive Integers

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87

Find intersection between Two Sorted Arrays.

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68

Given a binary tree, Convert it into its Mirror Tree

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67

Given a binary tree, Print All the Nodes that don't have Siblings.

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60

Check if Two BST's are Identical

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52

Find all common numbers in given three sorted arrays.

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49

Minimum number that cannot be formed by any subset of an array

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47

Find the Size of the Binary Tree

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36

Find the Maximum Depth OR Height of a Binary Tree

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32

Binary Search Tree (BST) Complete Implementation.

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29

Delete a Node in the Middle of a linked list, Given only access to that Node

Beginner % 0

Breadth-First Search/Traversal in a Graph.

Breadth-First Search/Traversal in a Binary Tree

Sort Names by their Last Names.

Introduction To Backtracking Programming

Dynamic Programming - Stairs Climbing Puzzle

Introduction To Dynamic Programming - Fibonacci Series

Find a Number occurring odd number of times in a Given array

Find a Missing Number From a Sequence of Consecutive Numbers | XOR Method

Find the Max element in a Given Binary Tree

Check If One Binary is Mirror Tree of another Binary Tree.

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

Find numbers that are palindrome in the decimal and octal Representations

Construct a Special Triangle from a Given Array

Goldbach's Conjecture

Convert Decimal into Irreducible Fraction

Clock Angle Problem

Graph Representation - Adjacency Matrix and Adjacency List

Towers Of Hanoi

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)

Delete X Nodes After Y Nodes In a Linked List

Depth First Search/Traversal in Binary Tree

Check if Array is Consecutive Integers

Find intersection between Two Sorted Arrays.

Given a binary tree, Convert it into its Mirror Tree

Given a binary tree, Print All the Nodes that don't have Siblings.

Check if Two BST's are Identical

Find all common numbers in given three sorted arrays.

Minimum number that cannot be formed by any subset of an array

Find the Size of the Binary Tree

Find the Maximum Depth OR Height of a Binary Tree

Binary Search Tree (BST) Complete Implementation.

Delete a Node in the Middle of a linked list, Given only access to that Node