Home - Algorithms

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All Problems

#	Problem	Level	Completes	Likes
71	Dynamic Programming - Minimum Coin Change Problem	Medium	%	1
72	Introduction To Dynamic Programming - Fibonacci Series	Beginner	%	1
73	Find the Deepest Node in a Binary Tree.	Medium	%	1
74	Print All the Subsets of a Given Set (Power Set)	Hard	%	1
75	Print All Possible Valid Combinations Of Parenthesis of Given 'N'	Hard	%	1
76	Graph Representation - Adjacency Matrix and Adjacency List	Beginner	%	2
77	Construct Binary Search Tree from a given Preorder Traversal using Recursion	Hard	%	0
78	Given a Sorted Singly Linked List Array, Convert it into a Balanced Binary search Tree.	Medium	%	1
79	Convert a Sorted Doubly Linked List to Balanced BST.	Medium	%	1
80	In a Binary Tree, Check if Two nodes has the same parent or are siblings	Medium	%	0
81	In a Binary Tree, Check if two nodes are Cousins	Medium	%	0
82	Print All The Permutations Of a String	Hard	%	0
83	Find the Maximum Depth OR Height of a Binary Tree	Beginner	%	1
84	Reverse a Linked List	Beginner	%	0
85	Count All Paths from Top left to bottom right in Two Dimensional Array including Diagonal Paths	Medium	%	1
86	Converting to Non-Decreasing Array with One Change	Medium	%	0
87	Maximum Depth of Valid Nested Parentheses in an arithmetic expression	Medium	%	0
88	Maximum Surpasser in the given array	Hard	%	0
89	Maximum CPU Load Problem in a jobs list	Medium	%	1
90	Maximum overlaps in a given list of time intervals	Medium	%	0
91	Override the compare function for Collections.sort method	Beginner	%	0
92	Design a data structure for Candidate Voting Problem	Medium	%	0
93	Design data structure for players and ranks	Medium	%	0
94	Override the compare function for Arrays.sort method - Java	Beginner	%	0
95	Calculate tax on income as per given tax brackets.	Beginner	%	0
96	Minimum number of adjacent swaps to sort the given array	Hard	%	1
97	Find the number of pairs with even XOR	Beginner	%	0
98	The number of cycles in a given array of integers.	Hard	%	0
99	Check if given sudoku is valid or not	Medium	%	0
100	Find Election Winner	Beginner	%	0
101	Sort the indexes of the array as per the elements of the array	Medium	%	0
102	Print all subarrays using recursion	Medium	%	1
103	Find Lexicographically smallest or largest substring of size k	Beginner	%	0
104	Largest word in dictionary by removing a few characters from the given string	Beginner	%	0
105	Check if one string is a subsequence of another string.	Beginner	%	0