Home - Algorithms

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All Problems

#	Problem	Level	Completes	Likes
106	Diameter Of a Binary Tree	Hard	%	1
107	Find the Deepest Node in a Binary Tree.	Medium	%	1
108	Print All the Subsets of a Given Set (Power Set)	Hard	%	1
109	Clock Angle Problem	Beginner	%	1
110	Print All Possible Valid Combinations Of Parenthesis of Given 'N'	Hard	%	1
111	Generate All Strings of n bits.	Medium	%	1
112	Find The Missing Duplicate in a Given Array.	Beginner	%	1
113	Given a Sorted Singly Linked List Array, Convert it into a Balanced Binary search Tree.	Medium	%	1
114	Convert a Sorted Doubly Linked List to Balanced BST.	Medium	%	1
115	Determine whether given binary tree is binary search tree(BST) or not	Medium	%	1
116	Sorted Array to Binary Search Tree of Minimal Height	Medium	%	1
117	Find the Maximum Depth OR Height of a Binary Tree	Beginner	%	1
118	Reverse the binary representation of a number.	Medium	%	1
119	Check if one string is Rotation of another string	Beginner	%	1
120	Find Whether Two Strings are Permutation of each other	Beginner	%	1
121	Count All Paths from Top left to bottom right in Two Dimensional Array including Diagonal Paths	Medium	%	1
122	Merge Sort - Updated - Most Efficient ways to Implement	Medium	%	1
123	Maximum Contiguous ones after one deletion	Medium	%	0
124	Converting to Non-Decreasing Array with One Change	Medium	%	0
125	Find the Nth-term in a given arithmetic progression	Beginner	%	0
126	In an array, Duplicate the zeroes without expanding it	Beginner	%	0
127	Maximum Depth of Valid Nested Parentheses in an arithmetic expression	Medium	%	0
128	Maximum Consecutive Ones in a given array	Beginner	%	0
129	Minimum Increments to make all array elements unique	Medium	%	0
130	Maximum Surpasser in the given array	Hard	%	0
131	Add digits until the number becomes a single digit	Beginner	%	0
132	Check If Student is eligible for an Attendance Reward	Beginner	%	0
133	Maximum overlaps in a given list of time intervals	Medium	%	0
134	Remove Duplicates in a given Sorted Array	Beginner	%	0
135	Random character in a given string - Java	Beginner	%	0
136	Replace Elements with Greatest Element on Right	Beginner	%	0
137	Count number of pairs in an array with sum = K	Medium	%	0
138	Count similar words in a given array	Beginner	%	0
139	Sort 0, 1, 2 in an array - Part 2	Beginner	%	0
140	Sort 0, 1, 2 in an array - Part 1	Beginner	%	0