41
mortonfox
● 16 ● 33 ● 48 Leader of the month
10820/ 11730
Morton Fox http://mortonfox.com
Last seen 1 day ago
Member for 7 years, 8 months
Difficulty Normal
Missions (504) / Solutions (530)
 Initiation
Easy Unpack
5
 747
The Most Frequent
20
 125 4
Correct Sentence
17
 45 10
All the Same
15
 1347
Multiply (Intro)
9
 435 2
Between Markers (simplified)
7
 546 1
First Word (simplified)
5
 793
Nearest Value
327
 1 317
Split Pairs
15
 102 5
Replace First
5
 655
Remove All Before
7
 454 1
End Zeros
11
 169 4
Number Length
9
 285 2
Backward String
7
 543 1
All Upper I
9
 303 2
Beginning Zeros
22
 20 12
Max Digit
5
 674
Sum Numbers
10
 231 3
Count Digits
179
 1 172
Acceptable Password I
213
 1 206
Is Even
5
 595
 Home
Non-unique Elements
10
 1932 1
Even the Last
5
 2729
Three Words
7
 937 1
Pawn Brotherhood
15
 1677
Right to Left
5
 2265
Days Between
5
 1566
Bigger Price
13
 358 3
Second Index
10
 581 1
Between Markers
8
 700
First Word
12
 429 2
Popular Words
18
 43 8
Date and Time Converter
8
 441
Morse Decoder
15
 94 5
Sun Angle
15
 772
Sort Array by Element Frequency
14
 144 5
Split List
113
 1 77
Backward Each Word
8
 502
Changing direction
63
 1 35
Missing Number
15
 38
Duplicate Zeros
0
 51
 Electronic Station
Find Sequence
32
 130 3
Brackets
30
 963
Mathematically Lucky Tickets
36
 15 4
Digits Multiplication
10
 835 1
Verify Anagrams
28
 421 2
Can You Pass?
40
 108
Boolean Algebra
15
 1250
Inside Block
59
 13 4
Unix Match. Part 1
30
 155
Unix Match. Part 2
30
 93
Ascending List
13
 136 3
Surjection Strings
36
 82 4
Remove Brackets
39
 14 5
Similar Triangles
30
 180
Words Order
8
 272
All Upper II
5
 271
Sort by Extension
28
 121 2
Acceptable Password II
12
 150 2
Acceptable Password III
14
 58 4
Acceptable Password IV
10
 163 1
Acceptable Password V
15
 42 5
Acceptable Password VI
15
 30 5
Cipher Dict
12
 5
Cipher Dict (decryption)
0
 3
Blood distribution
12
 5
 Scientific Expedition
Morse Clock
20
 390
The Most Wanted Letter
13
 443 3
Striped Words
32
 174 3
The Hidden Word
20
 232
Common Words
8
 1345
Absolute Sorting
5
 2044
Cipher Map
20
 511
Remove Accents
8
 145
Call to Home
20
 278
Bird Language
12
 406 2
Letter Queue
10
 200 1
Secret Message
22
 1008 1
Pangram
10
 597 1
Follow Instructions
14
 117 4
Conversion into CamelCase
14
 115 4
Conversion from CamelCase
8
 347
Time Converter (24h to 12h)
22
 383 1
Caps Lock
25
 6 15
YAML. Simple Dict
15
 105
YAML. More Types
46
 26 6
Sum by Type
8
 270
Goes Right After
19
 21 9
Convert and Aggregate
20
 32 1
Nonogram Encode
30
 3 4
Latest ISO datetime
9
 26
Beat The Previous
12
 14 1
Count Vowels
6
 32
Convert To Title Case
20
 6 6
Replace All Occurrences
19
 5 5
Longest Substring of Unique Characters
22
 4 3
Count Substring Occurrences
9
 16
Fuzzy String Matching
12
 18
Combining Celebrity Names
9
 16
 O'Reilly
Loading Cargo
64
 47 3
Determine the Order
74
 13 10
Median
8
 2094
Xs and Os Referee
27
 189 6
Parse Array
30
Flatten a List
12
 899
The Flat Dictionary
27
 75 1
Index Power
5
 2479
Count Inversions
10
 251 1
Frequency Sorting
17
 41 7
Time Converter (12h to 24h)
32
 83 3
Flatten a List (iterator version)
12
 3 4
Flatten a List (generator version)
12
 10 1
Median of Three
8
 159
Reverse Every Ascending
16
 26 6
How Deep
15
 115
Replace Last
7
 228 1
Compress List
8
 191
Remove All After
5
 306
Majority
8
 363
Chunk
14
 44 4
Sort Except Zero
15
 315
Lightbulb Intro
51
 5 15
Lightbulb Start Watching
15
 101
Lightbulb End Watching
15
 47
Multiple Lightbulbs
20
 28
Lightbulb Operating
44
 6 5
Lightbulb More
20
 13
The Final Stone
28
 7 7
Integer Palindrome
20
 6 6
Sum of Digits
12
 38 1
Knapsack Problem
15
 8
The Hollow Diamond
12
 17
Exploring Wythoff Array
15
 8
Ordinary Cardinals
12
 13
Grid Painting
15
 4
Matrix-2-String
9
 13
String-2-Matrix
9
 12
 Incinerator
Building Base
15
 598
Friends
15
 470
Every Person is Unique
15
 97
3 Chefs
36
 35 4
Geometry Figures
32
 22 3
Capital City
36
 20 4
Multicolored Lamp
28
 136 2
Microwave Ovens
15
 66
Voice TV Control
15
 98
Hacker Language
15
 45
Dialogues
46
 11 10
Party Invitations
15
 85
Army Units
36
 19 4
Text Editor
41
 14 6
The Warriors
36
 123 4
Army Battles
28
 94 2
The Defenders
28
 63 2
The Vampires
10
 75 1
The Lancers
60
 2 19
The Healers
37
 26 3
Straight Fight
27
 19 1
The Weapons
15
The Warlords
65
 6 6
 Mine
Determinant
14
 15 4
Disposable Teleports
15
 174
Binary Count
10
 670 1
Fizz Buzz
5
 2174
Achilles and the Tortoise
5
 276
The Greatest Common Divisor
17
 33 7
Moore Neighbourhood
13
 323 3
The Einstein Problem-Lite
22
 22 1
Currency Style
30
 2 20
What Is Wrong With This Family?
20
 101
Find Enemy
30
 36
Cut Sentence
8
 139
Bigger Together
13
 31 3
Domino Chain
13
 17 3
Best Stock
8
 631
Caesar Cipher (encryptor)
19
 33 9
Caesar Cipher (decryptor)
8
 90
Chess Knight
41
 9 6
Chemical Analysis
12
 9
Fast Train
10
 18 1
Can Balance
15
 64
Escape
27
 13 1
Aggregate by Operation
16
 20 1
Adjacent Letters
15
 30
Long Pressed
16
 19 1
Switch Keys to Values
16
 14 3
Replace with Biggest
9
 29
Matrix "Hatching"
12
 19
Fibonacci Poem
15
 21
Toothpicks
27
 7 3
Ulam–Warburton Automaton
27
 6 6
Count Morse
24
 9 4
Cut Into Squares
0
 11
Staircase
12
 7
Checking Perfect Power
16
 4 1
The Cookie Monster
12
 5
"Lunar" Multiply
9
 12
Rectangle Perimeter
10
 4 7
Number With Exclamation
11
 7 3
Longest Common Prefix
9
 6
Count Divisibles in Range
6
 15
Overlapping Disks
9
 7
Find Remainder
14
 3 6
Integer Sign Determination
9
 7 6
Postfix Evaluation
9
 15
Collatz Ztalloc
9
 10
 Ice Base
Roman Numerals
32
 480 3
Counting Tiles
8
 144
Feed Pigeons
14
 142 4
The Most Numbers
10
 781 1
How to Find Friends
32
 173 3
Oil Pie
12
 35 2
Monkey Typing
10
 563 1
Clock Angle
28
 44 2
Making Change
15
 89
Largest Rectangle in a Histogram
8
 226
Reverse Roman Numerals
15
 210
Long Repeat
10
 407 1
Identify Block
44
 7 5
Morse Encoder
30
 5 20
Find Quotes
10
 160 1
Count Chains
73
 1 37
Write Quadratic Equation
26
 6 5
Move Zeros
51
 1 37
One Switch Strings
9
 16
Correct Capital
16
 17 3
Interesting, intersecting
12
 25
When "k" is Enough!
15
 35
Not in Order
9
 26
Is String a Number?
20
 22 1
Is String a Number? (Part II)
20
 19 1
Reveal the Number
18
 10 4
Close Enough
12
 6
Leap Year Checking
36
 1 22
Quadratic Equation Roots
18
 2 4
Perfect Number Checking
16
 5 3
Cleaning Robot
12
 6
Count And Say
9
 19
The Centrifuge Problem
12
 5
Colorful Disks
6
 16
 Alice In Wonderland
Transposed Matrix
41
 32 6
The Shortest Knight's Path
30
 91
Multiplication Table
10
 95 1
Digits Doublets
22
 36 1
IP Network: Route Summarization
41
 12 6
Long Non Repeat
12
 66 2
The Fastest Horse
8
 139
When is Friday?
13
 67 3
Middle Characters
12
 77 2
Zigzag Array
8
 88
Swap Nodes
41
 56 4
Flood Area
15
 22
YAML. List and Comments
37
 6 3
YAML. Complex Structure
59
 3 4
Tree Walker
53
 3 12
15-puzzle Solvability
16
 8 1
Count Domino Tilings
12
 3
Bridge Routine
16
 3 1
R-mahjong Ⅰ: break hand into sets
12
Bishop vs Aliens
12
 7
 GitHub
Solution for Anything
32
 71 3
Open Labyrinth
77
 43 13
Area of a Convex Polygon
20
 123
The End of Other
7
 299 1
Painting Wall
53
 4 12
Shooting Range
8
 60
Xs and Os Champion
15
 31
Broken Clock
33
 23 2
The Most Frequent Weekdays
12
 116 2
Cookies
8
Power Supply
33
 18 2
Merge Intervals
27
 5 13
Create Intervals
14
 40 4
Simplify Unix Path
50
 21 1
Long Repeat Inside
15
 15 5
Barcode Reader
32
 6 3
The Highest Building
13
 56 3
Paper Dice
33
 6 2
Create Intervals (iterator version)
20
 2 4
Create Intervals (generator version)
9
 16
Merge Intervals (iterator version)
9
 8
Merge Intervals (generator version)
9
 7
Expand Intervals
15
 116
The Cheapest Flight
14
 25 4
Evenly Spaced Trees
8
 40
Power Plants
15
 11
Searchlights
20
 8
Exploring Calkin-Wilf Tree
12
 9
 Dropbox
Speech Module
10
 543 1
The Best Number Ever
5
 601
Three Points Circle
36
 64 4
Numbers Factory
8
 516
URL Normalization
20
 42
Hubspot Amulet
20
 48
Humpty Dumpty Form
15
 229
Friendly Number
8
 260
Simple Hashlib
5
 180
Place Queens
15
 44
The Longest Palindromic
8
 317
Nonogram Row
39
 4 5
Worth of Words
5
 208
Text Formatting
8
 45
On the same path
15
 27
Atbash Cipher
5
 39
Scytale Encryption
15
 4 5
Rotating Grille Cipher
15
 10
Common Tail
9
 26
Sort Sorted Groups
20
 7 1
Calculator-I
30
 9 4
Huffman Encode
15
 15
Count Squares
12
 4
Sum of Distinct Cubes
12
 5
The Longest Word
6
 24
All Permutations
9
 7
Sum of Integers
9
 20
Reverse Integer
18
 15 4
Armstrong Number Checking
16
 13 3
Maximum Among Three
6
 13
Count Divisibles in Range (simplified)
8
 8 1
Tricky String
16
 5 3
Revorse the vewels
0
 13
Frogs Collision
9
 8
The Brick Factory Problem
9
 9
 PyCon TW
House Password
12
 911 2
Building Visibility
8
 51
Calculate Islands
15
 199
How Much Gold
15
 82
Golden Pyramid
13
 113 3
Simple Areas
12
 99 2
Network Attack
8
 201
Digit Stack
8
 515
Robot Sort
13
 14 3
Unfair Districts
28
 5 2
Double Substring
12
 73 2
Ryerson Letter Grade
22
 5 15
Sum Consecutives
10
 57 1
Fused Cubes
40
 6 1
OOP 1: First Look at Class and Object
5
OOP 2: Class Attributes
5
OOP 3: Initializing
5
OOP 4: Adding Methods
5
OOP 5: Parent - Child
5
OOP 6: Overriding Methods
5
OOP 7: Adding Parameters
5
 Storage
Skew-symmetric Matrix
5
 452
The Rows of Cakes
15
 130
Saw the Stick
8
 175
Restricted Prime
8
 97
Word Pattern
9
 34 2
Battle Dice
30
 19
Square Spiral
15
 83
Weak Point
5
 482
Mind Switcher
54
 20 3
Playfair Cipher
36
 11 4
Moria Doors
15
 228
Earth Distances
22
 29 1
English to Braille Translator
41
 5 6
Hexagon Spiral
20
 21
Group Equal consecutive
15
 40 5
List Beautify
12
 18
Working Hours Calculator
27
 4 3
Convert Date
21
 2 7
 Maya
Net Game
36
 2 4
Inertia
19
 2 9
Unruly
14
 7 4
Find Rectangles
20
 6
 HubSpot
Restricted Sum
9
 414 2
Auto Painting
15
 82
Number Base
15
 1458
The Hamming Distance
14
 167 4
Repeating Decimals
14
 12 4
Node Disconnected Users
20
 75
New Cities
46
 5 10
City's Happiness
20
 32
Supply Line
30
 50
Square Board
12
 22 2
Inscribe a Contour
27
 1 1
Univocalic davasaan
5
 8
Non Empty Lines
50
 1 43
Team Play
22
 9 3
Workout
15
 11
Triangular Islands
15
 18
Weekly Calendar
15
 57
Next Birthday
22
 20 1
 Blizzard
Radiation Search
15
 131
Stair Steps
16
 23 6
Spaceship Landing Strip
15
 65
The Angles of a Triangle
8
 657
Weekend Counter
8
 405
Sudoku Solver
15
 42
Palindromic Palindrome
63
 11 5
Min and Max
13
 245 3
Safe Coasts
44
 7 5
Unlucky Days
5
 309
String Conversion
22
 37 1
Stressful Subject
8
 329
The First Working Day
9
 36 2
Rectangles Union
8
 57
Useless Flights
20
 18
Permutation Index
15
 36
Reversed Permutation Index
15
 30
Connect Stars
39
 1 11
Mountain Scape
15
 20
Checkers Capture
12
 11
 Rock
Water Jars
15
 39
CheckSum
9
 33 2
Web Log Sessions
15
 49
Super Root
13
 27 3
Berserk Rook
33
 28 2
Life Counter
54
 13 3
Parity Bit Generator
14
 28 4
Black Holes
20
 21
Most Efficient Cutting
8
 11
Hexagonal Islands
37
 8 3
River Crossing
30
 7
Family Dinner
15
 8
Home Coming
15
 12
Sort by Removing
32
 10 5
Count Comprehensions
8
 14
Park Benches
0
 12
Greedy Number
33
 11 2
Fibonacci Spiral's End
24
 10 4
Garland
12
 7
All Roads Lead to Rome!
0
 10
 Shelter
Ghosts Age
12
 162 2
Pattern Recognition
8
 126
One line Drawing
15
 52
AMSCO Cipher
51
 6 10
ADFGVX Cipher
33
 23 2
Climbing Route
15
 6
Completely Empty
48
 25 5
The Nearest Square Number
12
 48 2
Seven Segment
32
 48 3
Fortress Cannons
55
 1 14
Delivery Drone
20
 10
Landing Site
20
 17
Halloween Monsters
44
 4 8
Four To The Floor
8
 30
 Codeship
The Square Chest
10
 87 1
8 Puzzle
30
 44
Snake Lite
30
 20
Minesweeper
33
 12 2
Pearls in the Box
15
 218
Unfair Dice
41
 12 4
Behind 2048
41
 6 4
Probably Dice
30
 146
The 88th Puzzle
33
 11 2
Texas Referee
30
 55
Eaten Go Stones
15
 20
The Territory of Go
15
 20
Magic with 5 cards
30
 8
Ugly Numbers
33
 20 2
Reversi: Othello Moves
15
 6
Rolling 🎲!
26
 8 5
Champernowne Word
12
 11
 Hermit
Ore In The Desert
97
 22 3
The Good Radix
8
 189
Colder-Warmer
30
 63
Mono Captcha
22
 25 1
Keywords Finder
15
 47
Simplification
60
 33
Break Rings
111
 42 5
Network Loops
28
 18 2
Strawberry Fields
27
 11 1
Fractions Addition
36
 11 4
Count Consecutive Summers
15
 173
Stacking Cubes
20
 11 1
Shorter Set
7
 27 1
Birthday Party
5
 22
Stock Profit
0
 38
Excel Column Number
0
 28
Unique Email Addresses
16
 14 3
Backspace Apply
9
 25
 Watchtower
Funny Addition
5
 392
Convex Hull
15
 65
Magic Square
36
 7 4
Number Guess
10
 17 1
Numbered Triangles
44
 7 5
Bulls and Cows
20
 33
Rotate Hole
8
 225
Bag of Santa Claus
10
 14 1
Vigenere Cipher
13
 16 3
DNA Common Sequence
40
 6 4
Bacteria Colonies
27
 18 1
Compare Functions
8
 70
Ethernet Ring Dimensioning
39
 5 5
Wall Keeper
22
 15 1
Broken Window
48
 2 2
Boundary Blocks
30
 7
 Escher
The Ship Teams
22
 12 12
Ground for the House
28
 100 2
Compass, Map and Spyglass
15
 47 3
The Stone Wall
14
 33 4
Wild Dogs
28
 44 2
The Secret Room
8
 65
Keys and Locks
36
 18 4
Safe Code
10
 34 1
Treasures
15
 11 5
The Stones
51
 5 15
Card Game
15
 11 5
The Buttons
22
 18 1
Graphical Key
20
 16
Hypercube
28
 16 2
The Tower
20
 19
 Not On Map
Welcome Email by SendGrid
5
SendGrid Spam Reports
40
SendGrid Geo Stats
5
Most Wanted Letter
0
 25
Correct WhatsUp
40
 1
Base change - Position System
0
 22
Aggregate and Count
15
 37
Length of the String
5
 57