Problems

# Status Problem Level Completes Likes
1

Find the number of distinct Islands OR connected components.

Hard % 1
2

Check if Graph is Bipartite - Adjacency List using Depth-First Search(DFS)

Hard % 0
3

Evaluation of Prefix Expressions (Polish Notation) | Set 2

Medium % 0
4

Evaluation of Prefix Expressions (Polish Notation) | Set 1

Medium % 0
5

Convert Prefix to Postfix Expression

Medium % 0
6

Convert Postfix to Prefix Expression

Medium % 0
7

Convert Postfix to Infix Expression

Medium % 0
8

Convert Infix to Prefix Expression

Medium % 0
9

Convert Infix to Postfix Expression

Medium % 0
10

Evaluation of Infix expressions

Medium % 0
11

Convert Prefix to Infix Expression

Medium % 0
12

Find longest Snake sequence in a given matrix

Medium % 0
13

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

Medium % 0
14

Kadane's Algorithm - Maximum Subarray Problem

Medium % 0
15

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

Medium % 0
16

Dynamic Programming - Maximum Product Cutting Problem.

Medium % 0
17

Generate Well Ordered Passwords of a Given Length K

Medium % 0
18

All N Length Strings from Given String of Length K

Medium % 0
20

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

Medium % 0
21

Dynamic Programming - Longest Increasing Subsequence

Medium % 0
22

Backtracking - Search a Word In a Matrix

Hard % 0
23

Find the Second Largest Element in an Array

Beginner % 0
24

Dynamic Programming - Minimum Coin Change Problem

Medium % 0
25

Find the Deepest Left Node in a Binary Tree.

Medium % 0
26

Find the Deepest Node in a Binary Tree.

Medium % 0
27

Find numbers that are palindrome in the decimal and octal Representations

Beginner % 0
28

Find All the Well Ordered Permutations of a Given String.

Medium % 0
29

Construct a Special Triangle from a Given Array

Beginner % 0
30

Colorful Numbers

Hard % 0
31

Goldbach's Conjecture

Beginner % 0
33

Convert Decimal into Irreducible Fraction

Beginner % 0

Find the number of distinct Islands OR connected components.

Check if Graph is Bipartite - Adjacency List using Depth-First Search(DFS)

Evaluation of Prefix Expressions (Polish Notation) | Set 2

Evaluation of Prefix Expressions (Polish Notation) | Set 1

Convert Prefix to Postfix Expression

Convert Postfix to Prefix Expression

Convert Postfix to Infix Expression

Convert Infix to Prefix Expression

Convert Infix to Postfix Expression

Evaluation of Infix expressions

Convert Prefix to Infix Expression

Find longest Snake sequence in a given matrix

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

Kadane's Algorithm - Maximum Subarray Problem

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

Dynamic Programming - Maximum Product Cutting 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

Backtracking - Search a Word In a Matrix

Find the Second Largest Element in an Array

Dynamic Programming - Minimum Coin Change Problem

Find the Deepest Left Node in a Binary Tree.

Find the Deepest Node in a Binary Tree.

Find numbers that are palindrome in the decimal and octal Representations

Find All the Well Ordered Permutations of a Given String.

Construct a Special Triangle from a Given Array

Colorful Numbers

Goldbach's Conjecture

Convert Decimal into Irreducible Fraction