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	Top 20 Problems on Dynamic programming		Top 10 Problems on Backtracking
	Top 20 Problems on Graph		Top 25 Problems on Trees

All Problems

#	Status	Problem	Level	Completes	Likes
491		Colorful Numbers	Hard	%	0
492		Goldbach's Conjecture	Beginner	%	0
493		Convert Decimal into Irreducible Fraction	Beginner	%	0
494		Track the Maximum Element in a Stack.	Medium	%	0
495		Counting Sort	Medium	%	0
496		Towers Of Hanoi	Beginner	%	0
497		Sort 3 Integers without using if condition OR use only Max() function.	Beginner	%	0
498		Euclidean algorithm - Greatest Common Divisor(GCD)	Beginner	%	0
499		Implement Queue Using Stacks	Medium	%	0
500		Alternate Splitting of a given Linked List	Medium	%	0
501		Merge Sort in a Linked list	Medium	%	0
502		AVL Tree - Insertion	Hard	%	0
503		Check if Array Contains All Elements Of Some Given Range	Medium	%	0
504		Check if Array is Consecutive Integers	Beginner	%	0
505		Find the subarray with sum to a Given Value.	Medium	%	0
506		In an Array, find the Smallest Subarray with Sum Greater than the Given Value	Medium	%	0
507		Find intersection between Two Sorted Arrays.	Beginner	%	0
508		Find Kth Smallest or Largest element in an Array.	Medium	%	0
509		Given an array arrA[], find the maximum j – i such that arr[j] > arr[i].	Medium	%	0
510		Search an Element in a Rotated Sorted Array	Medium	%	0
511		Print All The Nodes Which are X distance from the Given Node	Hard	%	0
512		Print All The Nodes Which are X distance from the Leaf Nodes	Medium	%	0
513		Given a binary tree, Find the Maximum Path Sum between Any Two Leaves	Medium	%	0
514		Print Right View of a given binary tree	Medium	%	0
515		Sort an Given Array in the order defined by another array	Medium	%	0
516		Sort an Array - odd numbers appear first in ascending order followed by the even numbers in descending order.	Medium	%	0
517		Print All Nodes Between Two Given Levels	Medium	%	0
518		Find the maximum width of a binary tree	Medium	%	0
519		Find the number of occurrences of a number in a given sorted array.	Medium	%	0
520		Find all common numbers in given three sorted arrays.	Beginner	%	0
521		Find the first repeated element in an array by its index	Medium	%	0
522		Minimum number that cannot be formed by any subset of an array	Beginner	%	0
523		Find the Size of the Binary Tree	Beginner	%	0
524		Given two binary trees, check if one binary tree is a subtree of another	Medium	%	0
525		Print a path from Root to Node in Binary Tree	Medium	%	0

Colorful Numbers

Goldbach's Conjecture

Convert Decimal into Irreducible Fraction

Track the Maximum Element in a Stack.

Counting Sort

Towers Of Hanoi

Sort 3 Integers without using if condition OR use only Max() function.

Euclidean algorithm - Greatest Common Divisor(GCD)

Implement Queue Using Stacks

Alternate Splitting of a given Linked List

Merge Sort in a Linked list

AVL Tree - Insertion

Check if Array Contains All Elements Of Some Given Range

Check if Array is Consecutive Integers

Find the subarray with sum to a Given Value.

In an Array, find the Smallest Subarray with Sum Greater than the Given Value

Find intersection between Two Sorted Arrays.

Find Kth Smallest or Largest element in an Array.

Given an array arrA[], find the maximum j – i such that arr[j] > arr[i].

Search an Element in a Rotated Sorted Array

Print All The Nodes Which are X distance from the Given Node

Print All The Nodes Which are X distance from the Leaf Nodes

Given a binary tree, Find the Maximum Path Sum between Any Two Leaves

Print Right View of a given binary tree

Sort an Given Array in the order defined by another array

Sort an Array - odd numbers appear first in ascending order followed by the even numbers in descending order.

Print All Nodes Between Two Given Levels

Find the maximum width of a binary tree

Find the number of occurrences of a number in a given sorted array.

Find all common numbers in given three sorted arrays.

Find the first repeated element in an array by its index

Minimum number that cannot be formed by any subset of an array

Find the Size of the Binary Tree

Given two binary trees, check if one binary tree is a subtree of another

Print a path from Root to Node in Binary Tree

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