Mahtab Alam (@eMahtab)
  • Stars
    star
    381
  • Global Rank 73,190 (Top 3 %)
  • Followers 39
  • Registered almost 11 years ago
  • Most used languages
    Java
    69.4 %
    HTML
    11.1 %
    JavaScript
    11.1 %
    CSS
    8.3 %
  • Location 🇮🇳 India
  • Country Total Rank 1,754
  • Country Ranking
    Java
    1,181
    CSS
    1,458
    HTML
    6,559

Top repositories

1

aws-devops-professional-notes

Study Notes for AWS DevOps Professional Certification Exam
25
star
2

aws-opsworks-notes

Study Notes for AWS OpsWorks Service
8
star
3

discoverIndia-soap-web-service

Discover India is a SOAP based Web Service created using JAX-WS API .It takes an Indian state name as an argument and you can retrieve capital of that state, number of districts in that state, local languages of that state, airports and some interesting facts about that state
Java
7
star
4

linkository

Linkository is a bookmark manager application built using Node.js and MongoDB
CSS
6
star
5

aws-solutions-architect-notes

Study Notes for AWS Solutions Architect Certification Exam
5
star
6

aws-sysops-administrator-notes

4
star
7

valid-anagram

Check if target string is anagram of source string
3
star
8

knights-tour

Knight's Tour Problem
Java
3
star
9

maximum-subarray-sum

Find the maximum contiguous subarray sum
Java
2
star
10

design-tic-tac-toe

2
star
11

three-sum

Three Sum
2
star
12

all-nodes-distance-k-in-binary-tree

All nodes distance k in a binary tree
2
star
13

node-express-hello-world

Simple Node.js Express Hello world app
JavaScript
2
star
14

design-a-parking-lot

2
star
15

minimum-knight-moves

2
star
16

human-anatomy

Human Anatomy created with SVG
HTML
2
star
17

longest-common-subsequence

Longest Common Subsequence
Java
2
star
18

word-search-ii

Word Search II
Java
2
star
19

implement-trie

Trie Implementation
Java
2
star
20

number-of-islands

Number Of Islands Problem
Java
2
star
21

jenkins-cje-2017

Jenkins CJE Exam 2017 Prep
2
star
22

design-autocomplete-search

2
star
23

longest-substring-with-at-most-two-distinct-characters

Longest Substring with At Most Two Distinct Characters
1
star
24

sentence-similarity

Find if two sentences are similar
1
star
25

sentence-similarity-ii

Find if two sentences are similar
1
star
26

fork-join

1
star
27

reverse-integer

1
star
28

wiggle-sort

Wiggle Sort
1
star
29

shuffle-an-array

Shuffle an array
1
star
30

contains-duplicate

Check whether an array contains a duplicate value.
1
star
31

house-robber-ii

House Robber II
1
star
32

count-and-say

Count and say
1
star
33

patient-doctor-appointment-system

A 1:1 Appointment System between a Patient and a Doctor
Java
1
star
34

richardson-maturity-model

1
star
35

construct-binary-tree-from-preorder-and-postorder-traversal

Construct Binary Tree from Preorder and Postorder Traversal
1
star
36

design-amazon.com

1
star
37

binary-tree-preorder-traversal

Binary Tree Preorder Traversal
1
star
38

topological-sort-problems

Topological Sort Problems
1
star
39

bidding-system-design

Java
1
star
40

cheapest-flights-within-k-stops

1
star
41

spiral-matrix

Spiral Traversal of a 2D Matrix
1
star
42

add-two-numbers

Add two linked lists nodes
1
star
43

best-time-to-buy-and-sell-stock-ii

Find the max profit buying and selling stock with unlimited number of transactions.
1
star
44

java-stream

1
star
45

number-of-islands-ii

1
star
46

n-queens

N Queens Problem - Explanation & Implementation
Java
1
star
47

morris-inorder-traversal

Morris Inorder Traversal of a Binary Tree
1
star
48

climbing-stairs

Climbing Stairs
Java
1
star
49

container-with-most-water

Container with most water problem
1
star
50

sort-list

1
star
51

playground

Playground for all things tech.
HTML
1
star
52

cap-theorem

1
star
53

lowest-common-ancestor-of-deepest-leaves

Find the lowest common ancestor of deepest leaves
1
star
54

excel-sheet-column-number

Find the excel sheet column number
1
star
55

min-cost-to-connect-all-points

Find the min cost for the Minimum Spanning Tree (MST)
1
star
56

product-of-array-except-self

Product of array except self
1
star
57

binary-tree-zigzag-level-order-traversal

Binary Tree Zigzag (Spiral) Order Traversal
1
star
58

minimum-depth-of-binary-tree

Minimum Depth of Binary Tree
1
star
59

angularjs-ngview-animations

Uses AngularJS animations with ngAnimate - ngview
CSS
1
star
60

jump-game

Jump Game
1
star
61

move-zeroes

Move Zeroes
1
star
62

diameter-of-binary-tree

1
star
63

maximum-depth-of-binary-tree

Maximum Depth of Binary Tree
1
star
64

path-sum-iii

1
star
65

number-of-provinces

1
star
66

max-sum-with-no-adjacent-elements

Max Sum with no adjacent Elements
1
star
67

merge-intervals

Merge Intervals Problem
1
star
68

graph-valid-tree

1
star
69

binary-tree-right-side-view

Binary Tree Right Side View
1
star
70

car-pooling

1
star
71

same-tree

Check whether two binary trees are same
1
star
72

gas-station

1
star
73

maximal-square

Find the maximal square area
1
star
74

best-meeting-point

Best Meeting Point
1
star
75

delete-node-in-a-bst

Delete node in a Binary Search Tree(BST)
1
star
76

word-break

Word Break
1
star
77

conway-game-of-life

Conway Game of life
1
star
78

design-hashset

1
star
79

possible-bipartition

1
star
80

depth-first-search

Depth First Search Traversal
Java
1
star
81

transpose-matrix

1
star
82

count-primes

1
star
83

01-matrix

01 Matrix
1
star
84

balanced-brackets

Balanced Brackets
1
star
85

distance-between-bus-stops

1
star
86

univalued-binary-tree

Univalued Binary Tree
1
star
87

floyd-warshall-algorithm

1
star
88

remove-linked-list-elements

Remove Linked List Elements
1
star
89

shortest-distance-from-all-buildings

1
star
90

surrounded-regions

Surrounded Regions
1
star
91

linked-list-cycle

Linked List Cycle
1
star
92

insert-interval

1
star
93

flipping-an-image

Flipping an image
1
star
94

flatten-binary-tree-to-linked-list

Flatten a Binary Tree to Linked List
1
star
95

convert-sorted-array-to-binary-search-tree

Convert Sorted Array to Height Balanced Binary Search Tree
1
star
96

permutations

Permutations
Java
1
star
97

coin-change-2

Coin Change Problem (Total number of ways to make change) Implementation
Java
1
star
98

find-all-possible-recipes-from-given-supplies

1
star
99

odd-even-linked-list

Odd Even Linked List
1
star
100

power-of-three

Determine whether a number is power of three.
1
star