Problems

# Status Problem Level Completes Likes
1

Find an extra element in two almost similar arrays

Medium % 4
2

find the Arithmetic Progression sequence

Beginner % 2
3

Given an array, rank its elements

Beginner % 2
4

Plus one to number represented by an array

Medium % 1
5

Find The Minimum time difference

Medium % 1
6

Departure and Destination Cities in a given itinerary

Beginner % 1
7

Find Three Consecutive Odd Numbers in an array

Beginner % 1
8

Convert to Non-decreasing Array with one change

Beginner % 1
9

In an array, Duplicate the zeroes without expanding it

Beginner % 1
10

Convert a Decimal number to its representation

Beginner % 1
11

Duplicate even elements in an array

Beginner % 1
12

Minimum Increments to make all array elements unique

Medium % 1
13

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

Beginner % 1
14

Maximum Surpasser in the given array

Hard % 1
15

Find the number of pairs with odd XOR

Beginner % 1
16

Maximum CPU Load Problem in a jobs list

Medium % 1
17

Add digits until the number becomes a single digit

Beginner % 1
18

Maximum overlaps in a given list of time intervals

Medium % 1
19

Remove Duplicates in a given Sorted Array

Beginner % 1
20

Construct the Largest number from the given digits

Beginner % 1
21

Find if any two intervals overlap in given intervals

Medium % 1
22

Find the number of distinct Islands OR connected components.

Hard % 1
23

Longest substring with at most K unique characters

Medium % 1
24

Introduction to Bipartite Graphs OR Bigraphs

Medium % 1
25

Count the number of nodes in a given binary tree

Beginner % 1
26

Bubble Sort and Optimized Bubble Sort- Java Implementation

Beginner % 1
27

Weighted Graph Implementation – JAVA

Beginner % 1
28

Graph – Depth First Search in Disconnected Graph

Medium % 1
29

Graph – Depth First Traversal

Medium % 1
30

Stock Single Sell Problem - O(n) Solution

Hard % 1
31

Find the two repeating elements in a given array | 6 Approaches

Medium % 1
32

Dynamic Programming - Edit Distance Problem

Hard % 1
33

Shortest Range in K-sorted Lists

Hard % 1
34

Convert binary tree to its Sum tree

Medium % 1
35

Rearrange the Array of Given Range N, such that A[i]=i

Medium % 1

Find an extra element in two almost similar arrays

find the Arithmetic Progression sequence

Given an array, rank its elements

Plus one to number represented by an array

Find The Minimum time difference

Departure and Destination Cities in a given itinerary

Find Three Consecutive Odd Numbers in an array

Convert to Non-decreasing Array with one change

In an array, Duplicate the zeroes without expanding it

Convert a Decimal number to its representation

Duplicate even elements in an array

Minimum Increments to make all array elements unique

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

Maximum Surpasser in the given array

Find the number of pairs with odd XOR

Maximum CPU Load Problem in a jobs list

Add digits until the number becomes a single digit

Maximum overlaps in a given list of time intervals

Remove Duplicates in a given Sorted Array

Construct the Largest number from the given digits

Find if any two intervals overlap in given intervals

Find the number of distinct Islands OR connected components.

Longest substring with at most K unique characters

Introduction to Bipartite Graphs OR Bigraphs

Count the number of nodes in a given binary tree

Bubble Sort and Optimized Bubble Sort- Java Implementation

Weighted Graph Implementation – JAVA

Graph – Depth First Search in Disconnected Graph

Graph – Depth First Traversal

Stock Single Sell Problem - O(n) Solution

Find the two repeating elements in a given array | 6 Approaches

Dynamic Programming - Edit Distance Problem

Shortest Range in K-sorted Lists

Convert binary tree to its Sum tree

Rearrange the Array of Given Range N, such that A[i]=i