40
Last seen 4 days ago
Member for 9 years, 10 months, 19 days
Difficulty Advanced
Initiation
One-liner
Split Pairs
13
3
0
With import
Multiply (Intro)
339
3
0
One-liner
Multiply (Intro)
605
1
1
Solved with iter()
Flatten a List (generator version)
1
0
0
Shorter one-liner
Time Converter (12h to 24h)
4
8
2
One-liner
Time Converter (12h to 24h)
8
4
0
One-liner
All the Same
69
1
0
Using set
All the Same
1229
0
0
One-liner variation shortened
Non-unique Elements
19
6
1
Simple
Between Markers
702
0
0
What's wrong?
Non-unique Elements
7369
0
1
Arandomusername's refactored
Roman Numerals
1849
0
0
One-liner variation
Non-unique Elements
1
111
17
Syaopin's modified
Roman Numerals
120
2
0
Inspired by AQiccl135's solution
Roman Numerals
449
3
3
One-liner
Flatten a List
52
2
1
One-liner
Non-unique Elements
255
14
3
First
Pawn Brotherhood
200
0
0
First
Roman Numerals
118
2
2
Home
Simple
Atbash Cipher
21
3
0
Third
Brackets
2264
0
1
Simple
Beginning Zeros
604
0
0
Simple
Split List
256
2
0
Simple
Time Converter (24h to 12h)
504
0
1
Minutes to degrees
Sun Angle
78
0
0
One-liner
Conversion into CamelCase
1
14
0
Leolo's shortened
Brackets
1154
0
0
Revisited KvaNTy's Straight and primitive
Xs and Os Referee
5
18
1
First
Open Labyrinth
49
11
1
Clear
Xs and Os Referee
1144
0
1
First
Bird Language
130
0
0
Using stack
Brackets
765
0
0
Electronic Station
heap with negative numbers
The Final Stone
5
0
0
Custom key
Sort by Extension
22
1
0
Functional (?)
Similar Triangles
3
15
1
Simple
Acceptable Password IV
100
2
0
Simple
Acceptable Password III
131
2
0
Simple
Acceptable Password II
152
2
0
Simple
Acceptable Password I
332
1
0
One-liner
Unix Match. Part 1
1
9
1
Simple
Surjection Strings
185
1
1
One-liner
Conversion from CamelCase
9
3
0
Souzooka's Recursive Solution Shortened
Digits Multiplication
3080
0
1
jtrip's on one line
Verify Anagrams
22
3
0
Py2.7 one-liner using cmp()
Verify Anagrams
8
7
0
One-liner variation
Digits Multiplication
8
10
2
One-liner
Digits Multiplication
86
1
2
One-liner
Verify Anagrams
21
3
0
First
Can You Pass?
42
2
0
Recycled code
Inside Block
41
0
0
First
Verify Anagrams
43
28
4
First
Digits Multiplication
305
4
0
First
Boolean Algebra
127
0
0
First Try
Find Sequence
487
0
0
Scientific Expedition
Simple
Aggregate by Operation
23
1
0
Simple
YAML. More Types
27
6
1
Simple
YAML. Simple Dict
48
3
0
Simple
Sum by Type
108
3
0
Simple
Caps Lock
21
9
2
One-liner
Follow Instructions
11
5
1
One-liner
Remove Accents
5
21
8
One-liner with magic number
Pangram
24
2
4
Even shorter with filter
Secret Message
184
8
0
One-liner (py2.7)
Secret Message
10
7
2
Shorter and less readable :)
Morse Clock
55
0
2
Using deque
Letter Queue
114
2
1
Shorter
Common Words
228
4
1
First
Call to Home
105
0
0
One-liner
Secret Message
20
4
4
First
Remove Accents
42
0
0
First
Cipher Map
74
0
0
First
Striped Words
657
0
2
First
The Hidden Word
93
0
0
Simple
Letter Queue
30
5
0
Using string formatting
Morse Clock
24
3
0
Easy
Absolute Sorting
161
10
0
One-liner
Common Words
600
0
0
O'Reilly
Walrus :)
Lightbulb End Watching
1
11
1
Walrus :)
Lightbulb Start Watching
2
8
1
First
Lightbulb Intro
1
26
1
First
Sort Except Zero
222
0
0
Simple
Replace Last
251
1
0
Dequegeneration :D
Chunk
17
0
0
One-liner
Majority
9
4
1
One-liner
Compress List
14
2
0
Simple
Remove All After
313
0
1
First
Median of Three
21
0
0
Simple recursion
How Deep
14
9
0
Simple
Reverse Every Ascending
57
3
0
reCountereval
Chemical Analysis
1
0
0
Counter-Strike
Frequency Sorting
2
77
6
From Python Standard Library :)
Median
291
7
0
Variation on paolo.brasolin's theme :)
Median
64
5
4
Sum sum :)
Count Inversions
15
1
0
One-liner variation
Count Inversions
8
20
4
Tarasenkoa's as one-liner
Count Inversions
56
2
0
After refactoring
Count Inversions
142
2
0
One-liner
Index Power
7
11
1
First
Median
350
5
3
First
Count Inversions
92
0
0
First
Loading Cargo
1437
0
0
Incinerator
First
Text Editor
73
1
0
First
The Defenders
60
0
1
EAFP - IndexError
Army Battles
1
13
0
Boolean Fight :)
The Warriors
3
13
1
re-format
Hacker Language
1
6
3
Could be DRYer
Voice TV Control
1
12
2
First
Dialogues
7
0
0
f-strings
Every Person is Unique
9
8
0
Simple
Multicolored Lamp
130
2
0
Simple
Geometry Figures
53
0
0
Straightforward
Party Invitations
48
1
0
Simple
3 Chefs
101
0
0
First
Capital City
7
0
0
Having fun with Tinus_Trotyl's solution :)
Friends
6
5
1
First
Friends
85
2
5
First
Building Base
65
3
0
Mine
First
Count And Say
26
0
0
Simple
Sort Sorted Groups
8
1
0
First
Correct Capital
50
0
1
First
One Switch Strings
18
0
1
Third
Bigger Together
9
0
0
Second
Bigger Together
25
0
0
First
Bigger Together
107
0
0
mxmaslin's Two lines made one-liner
Caesar Cipher (encryptor)
9
3
2
Simple
Caesar Cipher (decryptor)
5
9
0
Using Python batteries
Caesar Cipher (encryptor)
130
3
0
One-liner
Best Stock
2
22
2
LeFree's shortened
Moore Neighbourhood
20
3
0
Shortened
Moore Neighbourhood
8
6
0
One-liner
The Greatest Common Divisor
10
1
0
Using Leibniz Formula
Determinant
19
2
0
One-liner
Binary Count
153
9
0
First
Moore Neighbourhood
136
5
3
First
The Greatest Common Divisor
46
0
0
One-liner
Achilles and the Tortoise
39
0
0
Ice Base
Simple (shorter)
Adjacent Letters
7
4
0
Simple
Adjacent Letters
20
1
1
First
Long Pressed
4
0
0
First
Count Chains
29
3
0
Simple
Find Quotes
28
8
0
One-liner
Morse Encoder
7
2
0
One-liner with groupby
Long Repeat
10
6
1
Because I'm Lazy
Reverse Roman Numerals
11
3
0
Using sets
New Cities
6
0
0
DFS
Node Disconnected Users
14
5
2
Slow and simple
Largest Rectangle in a Histogram
297
0
0
Long and ugly
Making Change
14
0
0
Another one-liner
Monkey Typing
5
8
0
Shortened Shortened :)
The Most Numbers
245
5
1
Shortened
The Most Numbers
13
4
2
Second
The Most Numbers
1183
0
0
First
Clock Angle
34
2
2
First
The Most Numbers
1011
0
0
First
How to Find Friends
140
3
1
One-liner
Monkey Typing
185
0
0
First
Oil Pie
25
0
0
First
Counting Tiles
213
0
0
Simple
Feed Pigeons
1085
0
0
Straightforward
How to Find Friends
23
2
0
Alice In Wonderland
First
Shorter Set
71
0
0
First
When "k" is Enough!
9
4
0
Simple
Backspace Apply
22
0
0
First
Words Order
59
0
0
zip and star
Zigzag Array
5
2
0
Ugly
YAML. List and Comments
3
0
0
See what re.sub can do :)
Backward Each Word
504
0
0
Simple
End Zeros
630
0
0
One-liner
Nearest Value
5
6
1
Slicing
Swap Nodes
4
0
1
Simple
Swap Nodes
38
5
0
One-liner
Ascending List
2
11
2
One-liner
Middle Characters
18
0
0
One-liner (Anti-PEP8 :D)
Morse Decoder
24
1
0
Simple
When is Friday?
124
0
0
One-liner using statistics
The Fastest Horse
3
6
1
One-liner
The Fastest Horse
12
1
0
One-liner
Morse Decoder
32
0
1
First
Date and Time Converter
42
0
0
One-liner
First Word
6
5
1
One-liner
Bigger Price
1
26
5
One-liner
Easy Unpack
1
37
2
JaredGillespie's compressed
Multiplication Table
16
3
0
Ugly
IP Network: Route Summarization
10
0
0
eugene128736871's shortened
The Most Wanted Letter
2862
0
0
One-liner
The Most Wanted Letter
2641
0
0
First
Digits Doublets
91
0
0
One-liner
Transposed Matrix
26
6
2
First
The Most Wanted Letter
279
4
1
First
Days Between
125
0
0
First
The Good Radix
176
0
0
First
Multiplication Table
90
0
0
GitHub
Straightforward
Common Tail
9
5
0
One-liner
Expand Intervals
1
6
1
Simple
Merge Intervals (generator version)
3
0
0
Laziness
Simplify Unix Path
6
0
0
One-liner
The Highest Building
1
13
0
Simple
Merge Intervals
109
0
1
Only the first and the last week matters
The Most Frequent Weekdays
11
14
7
spoty's shortened
The End of Other
27
8
0
AnnaCho's One-liner
The End of Other
10
5
0
One-liner
The End of Other
9
6
0
First
Broken Clock
4
14
11
First
Shooting Range
10
6
1
First
Area of a Convex Polygon
165
0
0
Dropbox
Don't reinvent the wheel
Is String a Number?
4
11
0
Workaround
Is String a Number? (Part II)
1
5
5
One-liner
Not in Order
4
0
0
First
Switch Keys to Values
7
5
1
One-liner
Count Digits
2
8
1
One-liner
Sum Numbers
1
36
3
One-liner
Max Digit
14
3
1
Simple
Worth of Words
112
2
1
Shorter
Popular Words
778
0
0
Simple
Popular Words
777
0
1
przemyslaw.daniel's shortened
Simple Hashlib
4
4
0
Simple
Numbers Factory
64
6
0
One-liner
The Longest Palindromic
2
19
0
One, One, One-liner
Three Words
31
3
8
Ugly One-liner
Three Words
829
1
0
Refactored
Three Points Circle
18
12
0
First
Numbers Factory
377
0
0
First
Simple Hashlib
97
1
2
First
Three Points Circle
195
0
0
Not elegant
Friendly Number
83
0
0
Not elegant
Speech Module
3184
0
0
Spheroid
Humpty Dumpty Form
126
0
0
PyCon TW
One-liner
Sum Consecutives
4
4
0
Simple
Ryerson Letter Grade
3
21
0
all re
House Password
26
5
2
Minor optimizations
Calculate Islands
61
2
0
Ceph's Refactored
House Password
4
160
8
With for...else :)
House Password
58
2
2
grigoriytretyakov's shortened without eval
House Password
55
2
0
grigoriytretyakov's shortened using evil eval
House Password
24
5
0
One-liner variation
House Password
20
8
0
One-liner
House Password
19
9
2
Clear with ugly determinant
How Much Gold
55
0
1
First
Calculate Islands
41
3
1
First
Simple Areas
83
3
1
First
Digit Stack
259
0
0
all, any, map
House Password
4653
0
0
First
Robot Sort
31
0
0
First Attempt
Golden Pyramid
192
0
0
any and map
House Password
303
1
0
Storage
First
Group Equal consecutive
5
21
0
JanKaifer's Refactored (or simple made simple)
Weak Point
19
4
4
Cleaner
Weak Point
8
13
0
Encoded Primes
Restricted Prime
9
4
2
First
Earth Distances
9
0
0
First
Weak Point
209
0
1
First
Moria Doors
19
3
4
First
The Rows of Cakes
65
0
0
Second
Saw the Stick
110
0
0
First
Saw the Stick
109
0
0
One-liner
Skew-symmetric Matrix
3
16
1
Simple
Word Pattern
72
0
0
HubSpot
One-liner
Non Empty Lines
7
1
0
One-liner
Is Even
18
7
0
Obvious
All Upper II
288
0
0
One-liner
Remove All Before
1
28
4
One-liner
Backward String
2
35
1
Simple
Number Length
626
0
0
deque.rotate
Replace First
463
1
0
First
Between Markers (simplified)
13
3
0
One-liner
First Word (simplified)
2
22
3
One-liner
Second Index
8
5
0
collections.deque
Auto Painting
89
0
0
Simple without re
Stressful Subject
8
17
4
Repetitio est mater studiorum :D
Fizz Buzz
69
2
2
Sim0000's one-liner without if :)
Number Base
15
6
2
Less Redundancy
Number Base
432
2
0
Recursive one-liner
Restricted Sum
16
6
1
Extended Iterable Unpacking
Restricted Sum
104
9
2
First
Repeating Decimals
94
0
0
Sabina's Shortened
Restricted Sum
511
1
1
Cheating :)
Restricted Sum
55
2
1
Less duplication
Min and Max
5
15
2
Shorter one-liner
Right to Left
522
3
0
bobriko's one-lines
Fizz Buzz
91
1
1
or lambda
Fizz Buzz
31
6
2
A redundant 0 removed :)
Even the Last
754
2
2
One-liner
The Hamming Distance
3
8
0
One-liner
Fizz Buzz
24
7
2
Simple
Min and Max
231
3
4
One-liner
Even the Last
31
3
0
First
Number Base
133
12
0
First
Right to Left
212
0
0
XOR
The Hamming Distance
22
26
0
Recursion
Restricted Sum
113
8
0
Blizzard
Simple
Move Zeros
37
0
0
With Walrus
The First Working Day
126
0
0
przemyslaw.daniel's 2-liner one-linerized
Unlucky Days
4
3
2
Wikipedia: Levenshtein distance
String Conversion
8
7
0
One-liner
Unlucky Days
3
3
0
Using datetime
Unlucky Days
66
3
0
First
Stair Steps
206
0
0
First
Radiation Search
24
2
0
First
The Angles of a Triangle
97
8
0
First
Safe Coasts
19
0
0
Simple
Weekend Counter
487
0
0
Rock
Straightforward
Replace with Biggest
4
5
0
First
Parity Bit Generator
7
1
0
Long and Ugly
Web Log Sessions
55
0
0
Lambert W function
Super Root
2
18
1
Shelter
One-liner
The Nearest Square Number
22
4
0
First
One line Drawing
11
3
1
First
Pattern Recognition
114
0
0
First
Ghosts Age
317
0
0
Codeship
druifor's "Exp: sets & combinations" shortened :)
The Square Chest
6
3
1
Leolo's refactored
The Square Chest
418
0
0
Needs more cleanup
Texas Referee
7
0
0
Ugly
The Square Chest
397
0
0
Using generating functions
Probably Dice
37
0
0
Hermit
First
Integer Palindrome
36
0
0
First
Count Consecutive Summers
207
0
0
Using Fraction
Fractions Addition
4
2
0
alexgerdom's one-linerized
Simplification
56
0
1
Ugly
Mono Captcha
15
0
0
Clear and Slow
Break Rings
63
2
1
Watchtower
Using magic method
Funny Addition
19
7
1
Slow and simple
Number Guess
9
2
3
Minimalist
Funny Addition
30
4
1
Jarvis march
Convex Hull
8
4
0
First
Rotate Hole
61
0
0
One-liner
Funny Addition
119
5
0
First
Vigenere Cipher
23
0
0
Escher
First
Wild Dogs
17
0
0
One-liner
The Stone Wall
10
1
0
Nothing special
Compass, Map and Spyglass
20
0
0
Verbose
Ground for the House
20
7
0
Self-documenting
The Ship Teams
32
7
0
Not On Map
Let Python do the job
Length of the String
7
5
2
Simple
Aggregate and Count
12
2
1
First
Aggregate and Count
20
0
1
