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	Top 20 Problems on Dynamic programming		Top 10 Problems on Backtracking
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All Problems

#	Status	Problem	Level	Completes	Likes
1		Find an extra element in two almost similar arrays	Beginner	%	3
2		find the Arithmetic Progression sequence	Beginner	%	2
3		Find the number of pairs with odd XOR	Beginner	%	2
4		Given an array, rank its elements	Beginner	%	1
5		In a number, add digits until it becomes a single digit	Beginner	%	1
6		Count similar words in a given array	Beginner	%	0
7		Maximizing Contiguous Ones with a Single Flip in a Binary Array	Medium	%	3
8		Find the Nth-term in a given arithmetic progression	Beginner	%	0
9		Find Three Consecutive Odd Numbers in an array	Beginner	%	1
10		Convert a Decimal number to its binary representation	Beginner	%	1
11		Maximum Consecutive Ones in a given array	Beginner	%	0
12		Breadth-First Search/Traversal in a Binary Tree	Beginner	%	0
13		Minimum Number of Halls Required for Lecture Scheduling	Hard	%	1
14		Maximum Contiguous ones after one deletion	Medium	%	0
15		Convert to Non-decreasing Array with one change	Beginner	%	1
16		Duplicate even elements in an array	Beginner	%	1
17		Minimum Increments to make all array elements unique	Medium	%	0
18		Add digits until the number becomes a single digit	Beginner	%	0
19		Check If Student is eligible for an Attendance Reward	Beginner	%	0
20		Remove Duplicates in a given Sorted Array	Beginner	%	0
21		Replace Elements with Greatest Element on Right	Beginner	%	0
22		Maximum distance from the nearest person.	Medium	%	1
23		Sort 0, 1, 2 in an array - Part 1	Beginner	%	0
24		Find the Number of Contiguous Parking Areas	Medium	%	1
25		Minimum Deletions to make the occurrence of each character unique.	Hard	%	1
26		Compare two version numbers of a software	Medium	%	1
27		Minimum number of times String A is repeated to such that B is substring of A	Medium	%	1
28		Maximum meetings in one room	Medium	%	0
29		Find if any two intervals overlap in given intervals	Medium	%	0
30		Valid Multiple Parentheses	Medium	%	1
31		Graph – Depth First Traversal	Medium	%	2
32		Dynamic Programming - Edit Distance Problem	Hard	%	2
33		Tree Traversals	Beginner	%	1
34		Introduction To Dynamic Programming - Fibonacci Series	Beginner	%	1
35		Diameter Of a Binary Tree	Hard	%	1

Find an extra element in two almost similar arrays

find the Arithmetic Progression sequence

Find the number of pairs with odd XOR

Given an array, rank its elements

In a number, add digits until it becomes a single digit

Count similar words in a given array

Maximizing Contiguous Ones with a Single Flip in a Binary Array

Find the Nth-term in a given arithmetic progression

Find Three Consecutive Odd Numbers in an array

Convert a Decimal number to its binary representation

Maximum Consecutive Ones in a given array

Breadth-First Search/Traversal in a Binary Tree

Minimum Number of Halls Required for Lecture Scheduling

Maximum Contiguous ones after one deletion

Convert to Non-decreasing Array with one change

Duplicate even elements in an array

Minimum Increments to make all array elements unique

Add digits until the number becomes a single digit

Check If Student is eligible for an Attendance Reward

Remove Duplicates in a given Sorted Array

Replace Elements with Greatest Element on Right

Maximum distance from the nearest person.

Sort 0, 1, 2 in an array - Part 1

Find the Number of Contiguous Parking Areas

Minimum Deletions to make the occurrence of each character unique.

Compare two version numbers of a software

Minimum number of times String A is repeated to such that B is substring of A

Maximum meetings in one room

Find if any two intervals overlap in given intervals

Valid Multiple Parentheses

Graph – Depth First Traversal

Dynamic Programming - Edit Distance Problem

Tree Traversals

Introduction To Dynamic Programming - Fibonacci Series

Diameter Of a Binary Tree

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