Problems

# Status Problem Level Completes Likes
106

Reverse Alternative 'k' nodes in a Linked List.

Medium % 0
107

Reverse a Linked List in groups of given size 'K'

Medium % 0
108

Find the Kth Smallest/Largest Element in an Array

Beginner % 0
109

Dynamic Programming - Stairs Climbing Puzzle

Beginner % 0
110

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

Beginner % 0
111

Rearrange the Array of Given Range N, such that A[i]=i

Medium % 1
112

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

Beginner % 0
113

Find the Max element in a Given Binary Tree

Beginner % 0
114

Find the Deepest Node in a Binary Tree.

Medium % 0
115

Find numbers that are palindrome in the decimal and octal Representations

Beginner % 0
116

Find the Increasing Triplet Sub-sequence in an array

Medium % 0
117

Convert Decimal into Irreducible Fraction

Beginner % 0
118

Generate All Strings of n bits.

Medium % 0
119

Find The Missing Duplicate in a Given Array.

Beginner % 0
120

Delete X Nodes After Y Nodes In a Linked List

Beginner % 0
121

Check if Array Contains All Elements Of Some Given Range

Medium % 0
122

Check if Array is Consecutive Integers

Beginner % 0
123

Find the subarray with sum to a Given Value.

Medium % 0
124

Find intersection between Two Sorted Arrays.

Beginner % 0
126

Inorder Successor in Binary Tree

Medium % 0
127

Sorted Array to Binary Search Tree of Minimal Height

Medium % 0
128

Get the Height of a Node in a Binary Tree

Medium % 0
129

Reverse the binary representation of a number.

Medium % 0
130

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

Beginner % 0
131

Find the n'th Node from the end of a given Linked List

Beginner % 0
132

Check if one string is Rotation of another string

Beginner % 0
133

Reverse a Linked List

Beginner % 0
135

Valid or Well Formed Parentheses | Part - 1

Medium % 0
136

Find an Element in 2 dimensional sorted array

Medium % 0
137

Find Whether Given String is palindrome or Not.

Beginner % 0
138

Find two Missing Numbers in a Sequence of Consecutive Numbers

Beginner % 0
139

Find a Missing Number From a Sequence of Consecutive Numbers

Beginner % 0

Reverse Alternative 'k' nodes in a Linked List.

Reverse a Linked List in groups of given size 'K'

Find the Kth Smallest/Largest Element in an Array

Dynamic Programming - Stairs Climbing Puzzle

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

Rearrange the Array of Given Range N, such that A[i]=i

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

Find the Max element in a Given Binary Tree

Find the Deepest Node in a Binary Tree.

Find numbers that are palindrome in the decimal and octal Representations

Find the Increasing Triplet Sub-sequence in an array

Convert Decimal into Irreducible Fraction

Generate All Strings of n bits.

Find The Missing Duplicate in a Given Array.

Delete X Nodes After Y Nodes In a Linked List

Check if Array Contains All Elements Of Some Given Range

Check if Array is Consecutive Integers

Find the subarray with sum to a Given Value.

Find intersection between Two Sorted Arrays.

Inorder Successor in Binary Tree

Sorted Array to Binary Search Tree of Minimal Height

Get the Height of a Node in a Binary Tree

Reverse the binary representation of a number.

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

Find the n'th Node from the end of a given Linked List

Check if one string is Rotation of another string

Reverse a Linked List

Valid or Well Formed Parentheses | Part - 1

Find an Element in 2 dimensional sorted array

Find Whether Given String is palindrome or Not.

Find two Missing Numbers in a Sequence of Consecutive Numbers

Find a Missing Number From a Sequence of Consecutive Numbers