23
blackfaced
● 4 ● 17 ● 28
2254/ 3195
han cheng
Last seen 7 years ago
Member for 11 years, 6 months, 15 days
Difficulty Normal
Missions (99) / Solutions (97)
 Home
Non-unique Elements
8
 1015
Even the Last
5
 829
Three Words
5
 701
Pawn Brotherhood
15
 157
Right to Left
5
 601
Days Between
5
 429
 Electronic Station
Find Sequence
15
 58
Brackets
30
 163
Mathematically Lucky Tickets
36
 12 4
Digits Multiplication
8
 667
Boolean Algebra
15
 389
 Scientific Expedition
Morse Clock
20
 68
The Most Wanted Letter
8
Striped Words
28
 38 2
Common Words
8
 524
Absolute Sorting
5
 524
Letter Queue
8
 144
Secret Message
15
 643
 O'Reilly
Loading Cargo
40
 187
Determine the Order
69
 4 7
Median
8
 363
Cipher Crossword
30
 21
Xs and Os Referee
12
 255
Flatten a List
12
 227
The Flat Dictionary
20
Index Power
5
 607
Count Inversions
8
 363
 Incinerator
Building Base
15
 201
 Mine
Determinant
8
 50
Disposable Teleports
15
 45
Binary Count
8
 524
Fizz Buzz
5
 840
Moore Neighbourhood
8
 482
 Ice Base
Roman Numerals
15
 245
Counting Tiles
8
 76
Feed Pigeons
8
 184
The Most Numbers
8
 642
How to Find Friends
15
 206
Oil Pie
8
 70
Monkey Typing
8
 571
 Alice In Wonderland
Transposed Matrix
15
 180
The Shortest Knight's Path
40
 52 1
 GitHub
Solution for Anything
15
 89
Open Labyrinth
48
 38 2
Area of a Convex Polygon
20
 73
The End of Other
5
 462
Xs and Os Champion
15
 10
Broken Clock
27
 26 1
 Dropbox
Speech Module
8
 2485
The Best Number Ever
5
 83
Three Points Circle
15
 44
Numbers Factory
8
 63
Friendly Number
12
 127 2
 PyCon TW
House Password
8
 614
Building Visibility
8
Calculate Islands
15
 42
How Much Gold
15
 27
Express Delivery
75
 13 1
Golden Pyramid
8
 220
Simple Areas
8
 71
 Storage
Skew-symmetric Matrix
5
 103
Digging a Canal
50
Haunted House
20
 7
Restricted Prime
8
 34
Weak Point
5
 123
Mind Switcher
30
 33
English to Braille Translator
22
 20 1
 HubSpot
Restricted Sum
5
 167
Auto Painting
15
 17
Number Base
15
 891
The Hamming Distance
8
 518
 Blizzard
Radiation Search
15
 94
Stair Steps
28
Spaceship Landing Strip
15
 133
The Angles of a Triangle
8
 91
Weekend Counter
8
 86
Sudoku Solver
32
 10 3
Palindromic Palindrome
30
 26
Min and Max
8
 210
 Rock
Water Jars
15
 18
CheckSum
5
 25
 Shelter
Ghosts Age
15
 16 5
Pattern Recognition
8
 16
 Codeship
The Square Chest
8
 76
8 Puzzle
54
 13 2
Snake Lite
30
 22
Minesweeper
20
 25
Bats Bunker
48
 9 2
Pearls in the Box
15
 31
 Hermit
Anagrams By Stacks
75
 11 1
Ore In The Desert
60
 40
The Good Radix
8
 33
Colder-Warmer
30
 16
Break Rings
75
 Watchtower
Funny Addition
5
 178
Convex Hull
36
 7 4
Magic Square
15
 10
Number Guess
8
 28
Numbered Triangles
20
 17