Problems

# Status Problem Level Completes Likes
106

Divide and Conquer - Rearrange array elements in special order

Medium % 0
107

Remove Duplicates from a string

Medium % 0
108

Find median of two sorted arrays of same size

Medium % 0
109

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

Medium % 0
110

Majority Element- Boyer–Moore majority vote algorithm

Medium % 0
111

Find the local minima in a given array

Medium % 0
112

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

Medium % 0
113

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

Medium % 0
114

Find two elements whose sum is closest to zero

Medium % 0
115

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

Medium % 0
116

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

Medium % 0
117

Find longest Snake sequence in a given matrix

Medium % 0
118

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

Medium % 0
119

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

Medium % 0
121

Dynamic Programming - Maximum Subarray Problem

Medium % 0
122

Kadane's Algorithm - Maximum Subarray Problem

Medium % 0
123

Introduction to Threaded Binary Tree

Medium % 0
125

Convert BST to Greater Sum Tree

Medium % 0
126

Reverse Alternative 'k' nodes in a Linked List.

Medium % 0
127

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

Medium % 0
128

Generate Maximum revenue by selling K tickets from N windows

Medium % 0
129

Convert binary tree to its Sum tree

Medium % 1
130

Dynamic Programming - Maximum Product Cutting Problem.

Medium % 0
131

Dynamic Programming - Longest Common Substring

Medium % 0
132

Dynamic Programming - Longest Common Subsequence

Medium % 0
133

Dynamic Programming - Rod Cutting Problem

Medium % 0
134

Dynamic Programming - Coin Change Problem

Medium % 0
135

Dynamic Programming - Minimum Cost Path Problem

Medium % 0
136

Generate Well Ordered Passwords of a Given Length K

Medium % 0
137

All N Length Strings from Given String of Length K

Medium % 0
138

Dynamic Programming - Maximum size square sub-matrix with all 1s

Medium % 0
139

Dynamic Programming - Longest Increasing Subsequence

Medium % 0
140

Dynamic Programming - Minimum Coin Change Problem

Medium % 0

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

Dynamic Programming - Maximum size square sub-matrix with all 1s

Dynamic Programming - Longest Increasing Subsequence

Dynamic Programming - Minimum Coin Change Problem