# Status Problem Level Completes Likes
106

Graph – Depth First Traversal

Medium % 2
109

Divide and Conquer - Rearrange array elements in special order

Medium % 0
110

Remove Duplicates from a string

Medium % 0
111

Find median of two sorted arrays of same size

Medium % 0
112

Find local minimum or local maximum in O(1).

Medium % 0
113

Majority Element- Boyer–Moore majority vote algorithm

Medium % 0
114

Find the local minima in a given array

Medium % 0
115

Maximum difference between two elements where larger element appears after the smaller element

Medium % 0
116

Find the two repeating elements in a given array | 6 Approaches

Medium % 1
117

Find two elements whose sum is closest to zero

Medium % 1
118

Find the element which appears maximum number of times in the array.

Medium % 0
119

Find duplicates in an given array in O(n) time and O(1) extra space.

Medium % 0
120

Find longest Snake sequence in a given matrix

Medium % 1
121

Dynamic Programming - Count all paths in 2D Matrix with Obstructions in it

Medium % 1
122

Dynamic Programming - Count all paths from top left to bottom right of a mXn matrix

Medium % 1
124

Dynamic Programming - Maximum Subarray Problem

Medium % 0
125

Kadane's Algorithm - Maximum Subarray Problem

Medium % 1
126

Introduction to Threaded Binary Tree

Medium % 0
128

Convert BST to Greater Sum Tree

Medium % 0
129

Reverse Alternative 'k' nodes in a Linked List.

Medium % 0
130

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

Medium % 0
131

Generate Maximum revenue by selling K tickets from N windows

Medium % 0
132

Convert binary tree to its Sum tree

Medium % 1
133

Dynamic Programming - Maximum Product Cutting Problem.

Medium % 1
134

Dynamic Programming - Longest Common Substring

Medium % 0
135

Dynamic Programming - Longest Common Subsequence

Medium % 0
136

Dynamic Programming - Rod Cutting Problem

Medium % 1
137

Dynamic Programming - Coin Change Problem

Medium % 1
138

Dynamic Programming - Minimum Cost Path Problem

Medium % 1
139

Generate Well Ordered Passwords of a Given Length K

Medium % 0
140

All N Length Strings from Given String of Length K

Medium % 0

Graph – Depth First Traversal

Divide and Conquer - Rearrange array elements in special order

Remove Duplicates from a string

Find median of two sorted arrays of same size

Find local minimum or local maximum in O(1).

Majority Element- Boyer–Moore majority vote algorithm

Find the local minima in a given array

Maximum difference between two elements where larger element appears after the smaller element

Find the two repeating elements in a given array | 6 Approaches

Find two elements whose sum is closest to zero

Find the element which appears maximum number of times in the array.

Find duplicates in an given array in O(n) time and O(1) extra space.

Find longest Snake sequence in a given matrix

Dynamic Programming - Count all paths in 2D Matrix with Obstructions in it

Dynamic Programming - Count all paths from top left to bottom right of a mXn matrix

Dynamic Programming - Maximum Subarray Problem

Kadane's Algorithm - Maximum Subarray Problem

Introduction to Threaded Binary Tree

Convert BST to Greater Sum Tree

Reverse Alternative 'k' nodes in a Linked List.

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

Generate Maximum revenue by selling K tickets from N windows

Convert binary tree to its Sum tree

Dynamic Programming - Maximum Product Cutting Problem.

Dynamic Programming - Longest Common Substring

Dynamic Programming - Longest Common Subsequence

Dynamic Programming - Rod Cutting Problem

Dynamic Programming - Coin Change Problem

Dynamic Programming - Minimum Cost Path Problem

Generate Well Ordered Passwords of a Given Length K

All N Length Strings from Given String of Length K