18
gaozhefeng
● 4 ● 16 ● 21
1877/ 1945
zhefeng gao
Last seen 9 months ago
Member for 9 years, 9 months, 4 days
Difficulty Normal
from China. love coding.

Missions (140) / Solutions (122)
 Initiation
All the Same
15
Sum Numbers
5
Count Digits
5
 Home
Non-unique Elements
8
 5921
Even the Last
5
 1366
Three Words
5
 1148
Pawn Brotherhood
15
Right to Left
5
Days Between
5
 300
Bigger Price
8
 134
Second Index
8
Between Markers
8
 130
First Word
8
 177
Popular Words
8
Sun Angle
15
 89
Sort Array by Element Frequency
8
Split List
15
 28
Backward Each Word
8
 43
 Electronic Station
Find Sequence
15
 566
Brackets
30
 899
Digits Multiplication
8
 1083
Verify Anagrams
15
 505
Can You Pass?
40
 47
Boolean Algebra
15
 234
 Scientific Expedition
Morse Clock
20
 817
The Most Wanted Letter
8
Striped Words
15
 853
The Hidden Word
20
 128
Common Words
8
 824
Absolute Sorting
5
 804
Cipher Map
20
 104
Remove Accents
13
 9 3
Call to Home
20
 121
Bird Language
8
 192
Letter Queue
8
 290
I Love Python!
5
Secret Message
15
 396
Pangram
8
 114
Time Converter (24h to 12h)
15
 O'Reilly
Loading Cargo
40
 1460
Median
8
Xs and Os Referee
12
Flatten a List
12
 217
The Flat Dictionary
20
Index Power
5
 442
Count Inversions
8
 210
 Incinerator
Building Base
15
 99
Friends
15
 80
 Mine
Determinant
8
 169
Disposable Teleports
15
 312
Binary Count
8
 867
Fizz Buzz
5
 1381
Achilles and the Tortoise
5
 79
The Greatest Common Divisor
8
 97
Moore Neighbourhood
8
 185
What Is Wrong With This Family?
20
 114
 Ice Base
Roman Numerals
15
 1704
Counting Tiles
8
 244
Feed Pigeons
8
 1208
The Most Numbers
8
 1044
How to Find Friends
15
 326
Oil Pie
8
 62
Monkey Typing
8
 434
Clock Angle
15
 48
Long Repeat
8
Find Quotes
8
 220
 Alice In Wonderland
Transposed Matrix
15
 1103
The Shortest Knight's Path
30
 211
Multiplication Table
8
 117
Digits Doublets
15
 94
 GitHub
Solution for Anything
15
Open Labyrinth
30
 1113
Area of a Convex Polygon
20
 216
The End of Other
5
 802
Painting Wall
20
 56
Shooting Range
8
 36
Broken Clock
20
 21
 Dropbox
Speech Module
8
The Best Number Ever
5
 295
Three Points Circle
15
 230
Numbers Factory
8
 415
Hubspot Amulet
20
 64
Humpty Dumpty Form
15
 179
Friendly Number
8
 128
Simple Hashlib
5
 84
The Longest Palindromic
8
 201
 PyCon TW
House Password
8
 5056
Calculate Islands
15
 186
How Much Gold
15
 139
Express Delivery
60
 58
Golden Pyramid
8
 303
Simple Areas
8
 218
Network Attack
8
 66
Digit Stack
8
 248
Robot Sort
8
 68
 Storage
Skew-symmetric Matrix
5
 446
The Rows of Cakes
15
 77
Saw the Stick
8
 145
Restricted Prime
8
 129
Word Pattern
5
 133
Square Spiral
15
 63
Weak Point
5
 228
Playfair Cipher
15
 47
Moria Doors
15
 50
Earth Distances
15
 27
 HubSpot
Restricted Sum
5
Number Base
15
 762
The Hamming Distance
8
 603
Repeating Decimals
8
 44
 Blizzard
Radiation Search
15
 517
Stair Steps
8
 200
The Angles of a Triangle
8
 615
Weekend Counter
8
 594
Min and Max
8
 288
 Rock
CheckSum
5
 184
Super Root
8
 74
Berserk Rook
20
 87
 Shelter
Ghosts Age
8
 456
Pattern Recognition
8
One line Drawing
15
 27
AMSCO Cipher
20
 27
ADFGVX Cipher
20
 Codeship
The Square Chest
8
 217
8 Puzzle
30
 127
Pearls in the Box
15
 121
Behind 2048
20
 47
Probably Dice
30
 86
The 88th Puzzle
20
 41
Texas Referee
30
 18
 Hermit
The Good Radix
8
 212
Mono Captcha
15
 97
Keywords Finder
15
 52
Simplification
60
 29
Break Rings
60
 164
 Watchtower
Funny Addition
5
 601
Convex Hull
15
 97
Numbered Triangles
20
 171
Rotate Hole
8
 144
Bag of Santa Claus
8
 51
Vigenere Cipher
8
 45