34
Last seen 9 days ago
Member for 7 years, 6 months, 16 days
Difficulty Normal
Initiation
First
Is Even
3
32
0
Without using strings
End Zeros
3
11
1
And one
Is Even
4
19
0
First
Multiply (Intro)
11
18
1
Straightforward
Number Length
27
10
0
Straightforward
First Word (simplified)
29
10
0
First
Correct Sentence
38
11
1
sum is digit
Count Digits
55
7
0
len
Acceptable Password I
164
3
0
Try first
Remove All Before
218
4
1
max int str
Max Digit
248
3
0
Trivial
Easy Unpack
304
3
0
Sorted with lambda
Nearest Value
314
1
1
All
All the Same
402
3
1
Backwards
Backward String
428
2
0
Sum if is digit
Sum Numbers
476
1
0
Itertools recipe
Split Pairs
542
0
0
Find
Between Markers (simplified)
551
1
1
Length of takewhile
Beginning Zeros
602
0
0
Counter
The Most Frequent
698
0
1
Try first
Replace First
1081
0
1
Home
WIth numpy arrays
Changing direction
4
0
0
Only works for positive numbers but apparently it's enough :)
Missing Number
5
0
0
enumerate
Second Index
10
16
1
Counter
Popular Words
76
6
1
First
Between Markers
86
7
1
First
Sun Angle
164
4
0
First
Date and Time Converter
177
3
1
One liner
Morse Decoder
182
3
0
First
Bigger Price
269
4
1
re.split
Backward Each Word
322
1
1
str.split()
First Word
463
2
2
First
Even the Last
580
3
1
First
Right to Left
762
2
0
First
Days Between
1673
0
0
First with regex
Three Words
2576
0
0
First
Non-unique Elements
4061
0
0
Electronic Station
sympy.geometry one-liner
Similar Triangles
1
21
1
First
Can You Pass?
2
1
1
First
Find Sequence
13
3
0
First
Unix Match. Part 1
15
9
2
Using sympy feels like cheating
Inside Block
38
0
0
len(set)
Acceptable Password VI
65
3
0
First
Acceptable Password V
80
3
1
First
Acceptable Password III
128
2
0
First
Acceptable Password II
148
2
0
First
Acceptable Password IV
161
1
0
Counting
Surjection Strings
183
1
1
Split & index
Words Order
198
1
0
from standard library
All Upper II
209
1
0
All items
Ascending List
242
1
1
First
Words Order
297
0
0
First
Brackets
1066
0
0
First
Boolean Algebra
1132
0
0
First
Verify Anagrams
1192
0
0
Reduce
Digits Multiplication
2290
0
0
Scientific Expedition
First
Remove Accents
10
10
0
First
Combining Celebrity Names
26
0
0
First
Convert To Title Case
28
1
0
First
Cipher Map
39
1
0
Recursive
Longest Substring of Unique Characters
39
0
0
First
Beat The Previous
41
0
0
Second
Cipher Map
49
0
0
zip
Fuzzy String Matching
54
0
0
Counter
Follow Instructions
55
7
0
re
Count Substring Occurrences
55
0
0
zip_longest
Fuzzy String Matching
55
0
0
First
Replace All Occurrences
70
0
0
First
Time Converter (24h to 12h)
79
7
0
re
Conversion from CamelCase
82
5
0
First
Count Vowels
84
0
0
datetime isoformat
Latest ISO datetime
87
0
0
First
Convert and Aggregate
88
0
0
First
Caps Lock
106
2
0
Join and Sum
Sum by Type
107
3
1
Straightforward
YAML. Simple Dict
114
0
0
First
Conversion into CamelCase
128
4
1
First
Goes Right After
234
1
0
First
The Hidden Word
262
0
0
First
Call to Home
290
0
0
First
Morse Clock
429
0
0
First
Pangram
599
1
0
deque
Letter Queue
633
0
0
First
Striped Words
744
0
0
First
Bird Language
884
0
0
First
Common Words
1408
0
0
First
The Most Wanted Letter
1783
0
0
Key
Absolute Sorting
2332
0
0
O'Reilly
First
Cipher Crossword
1
5
1
numpy matrix
String-2-Matrix
3
0
0
First
Chunk
6
16
0
First
Time Converter (12h to 24h)
12
15
1
First
Determine the Order
12
10
1
Numpy matrix
Xs and Os Referee
15
0
0
First
Lightbulb Start Watching
19
5
0
First
Matrix-2-String
24
0
0
item if not item
Sort Except Zero
57
4
0
count true and count false
Majority
60
6
1
First
Integer Palindrome
70
0
0
Count the parentheses in repr (using itertools.accumulate)
How Deep
79
2
1
First
The Final Stone
82
0
0
First
Median of Three
100
2
0
POP!
Replace Last
129
3
0
First
Sum of Digits
138
0
0
total seconds
Lightbulb Intro
172
0
0
Compact total seconds
Lightbulb Intro
173
0
0
First
Loading Cargo
238
0
0
First
Frequency Sorting
250
0
0
First
Compress List
442
0
0
First
Remove All After
722
0
0
Nested loops
Count Inversions
827
0
0
First
Flatten a List
844
0
0
First
Median
2221
0
0
Incinerator
First
Every Person is Unique
3
14
0
Meta with dataclasses
Army Units
3
5
0
Append a deepcopy
Text Editor
5
12
1
First
Geometry Figures
11
5
0
First
Straight Fight
11
3
0
First
The Defenders
27
4
0
Modulo
Multicolored Lamp
32
7
1
With dataclasses
Army Units
41
2
0
First
Dialogues
45
2
0
Singleton
Capital City
50
1
0
First
Hacker Language
53
0
0
First
The Vampires
60
2
1
First
3 Chefs
86
1
0
First
The Warriors
92
5
0
Getter and setter
Microwave Ovens
99
0
1
for friend in self
Party Invitations
136
0
1
Set
Friends
163
1
0
First
Army Battles
207
0
1
First
Building Base
616
0
0
Mine
BFS
Find Enemy
1
1
1
First
Color Map
2
0
1
Convolve
Moore Neighbourhood
3
4
0
Trivial solution with numpy
Determinant
6
4
0
First
Bigger Together
11
10
1
numpy
Matrix "Hatching"
11
0
0
First
The Einstein Problem-Lite
16
2
1
First
Toothpicks
17
0
0
First
Can Balance
18
6
1
First
Disposable Teleports
20
4
0
First
Count Morse
22
0
0
Graph
Domino Chain
23
1
0
Second
Find Enemy
27
1
1
First
Caesar Cipher (encryptor)
39
8
1
First
Chess Knight
40
1
1
First
Replace with Biggest
55
0
0
Recursive
Adjacent Letters
66
0
0
Default set
Switch Keys to Values
71
0
0
First
Escape
76
0
0
First
Caesar Cipher (decryptor)
95
0
0
First
Cut Sentence
109
1
1
Simple solution
The Greatest Common Divisor
130
2
1
First
Currency Style
188
0
0
Second
Achilles and the Tortoise
289
0
0
First
Best Stock
898
0
1
First
Binary Count
1572
0
0
Ice Base
find_objects
Identify Block
2
14
1
Intersection and Circle from sympy
Count Chains
2
6
0
First
Making Change
3
0
1
Simple regex
Find Quotes
4
28
2
First
Counting Tiles
31
5
0
First
Colorful Disks
32
0
0
Second
Oil Pie
36
2
0
zip
Not in Order
56
0
0
namedtuple
Interesting, intersecting
57
0
0
Straightforward
When "k" is Enough!
67
0
0
itertools.groupby
Long Repeat
68
7
1
First
Reverse Roman Numerals
82
3
0
Line in
Correct Capital
89
0
0
First
Morse Encoder
97
3
0
First
Clock Angle
192
0
0
First
Largest Rectangle in a Histogram
211
0
2
Breadth First Search
How to Find Friends
668
0
0
First
Feed Pigeons
796
0
0
One-liner
Monkey Typing
1502
0
0
First
Roman Numerals
1807
0
0
First
The Most Numbers
2412
0
0
Alice In Wonderland
Plain and simple
Swap Nodes
1
36
7
numpy
Dangerous Bishops
2
0
0
numpy
Transposed Matrix
10
4
0
First
IP Network: Route Summarization
14
5
0
First
When is Friday?
47
4
0
First
Middle Characters
56
3
0
BFS
The Shortest Knight's Path
78
0
0
First
Zigzag Array
110
0
1
Max default
Long Non Repeat
113
1
1
BFS
Digits Doublets
113
0
1
First
The Fastest Horse
173
0
1
First
Multiplication Table
181
0
0
Second
Multiplication Table
182
0
0
GitHub
Reduce and gcd
Evenly Spaced Trees
2
22
1
sympy.geometry
Shooting Range
2
21
2
Breadth First Search
Open Labyrinth
2
3
0
First
Area of a Convex Polygon
6
15
0
OOP solution
Barcode Reader
21
0
0
Simple
Xs and Os Champion
25
0
0
First
The Cheapest Flight
28
3
0
First
Merge Intervals
29
4
0
chain from iterable
Expand Intervals
30
5
1
Transpose and count
The Highest Building
32
5
0
First
Power Supply
32
1
0
First
Painting Wall
34
2
0
First
Broken Clock
34
1
1
First
Cookies
83
1
1
First
Solution for Anything
96
2
0
First
The Most Frequent Weekdays
255
0
0
Second
The Most Frequent Weekdays
256
0
0
First
The End of Other
907
0
0
Dropbox
First
Place Queens
7
3
0
Sympy
Three Points Circle
27
0
0
Another solution with textwrap
Text Formatting
36
2
0
First
Friendly Number
43
7
0
First
Text Formatting
50
0
1
First
Common Tail
69
0
0
First
The Longest Palindromic
95
4
0
eval
Simple Hashlib
206
0
0
Straightforward
Humpty Dumpty Form
266
0
0
One-liner (kind of)
Worth of Words
278
0
0
First
Numbers Factory
376
0
0
First
Speech Module
906
0
0
PyCon TW
Numpy slices and namedtuple
Building Visibility
2
5
1
DP
Golden Pyramid
3
0
0
A* algorithm
Express Delivery
4
0
0
First
Robot Sort
5
5
0
First
Calculate Islands
6
0
0
First
Network Attack
7
0
0
Linalg inv
How Much Gold
10
0
0
First
Ryerson Letter Grade
14
6
0
itertools.groupby
Sum Consecutives
26
4
0
First
Double Substring
40
4
1
First
Digit Stack
71
3
1
First
Simple Areas
366
0
0
Bisect
House Password
2486
0
0
Storage
First
Square Spiral
1
0
1
First
Playfair Cipher
2
1
0
First
English to Braille Translator
2
0
0
Dijkstra
Digging a Canal
2
0
0
First
The Rows of Cakes
4
9
0
itertools groupby
Group Equal consecutive
12
16
0
First
Battle Dice
13
0
0
Object-oriented solution
Earth Distances
17
2
0
datetime
Working Hours Calculator
17
0
0
First
Weak Point
19
9
1
First
List Beautify
24
0
0
Restricted Erathostenes
Restricted Prime
35
2
1
numpy
Skew-symmetric Matrix
54
0
0
First
Word Pattern
191
0
0
First
Saw the Stick
224
0
0
First
Moria Doors
237
0
0
HubSpot
First
Weekly Calendar
4
6
1
OOP solution (verbose)
Supply Line
20
3
0
First
Non Empty Lines
73
0
0
First
Auto Painting
84
0
0
First
The Hamming Distance
370
1
0
First
Restricted Sum
1037
0
0
Try - except
Number Base
1746
0
0
Blizzard
scipy.ndimage
Radiation Search
1
8
2
numpy
Rectangles Union
5
0
0
First
Sudoku Solver
10
4
1
First
The First Working Day
13
5
1
Kruskal
Connect Stars
17
0
0
First
Stressful Subject
44
7
1
Straightforward
The First Working Day
50
1
1
First
String Conversion
70
0
2
Straightforward
Unlucky Days
226
0
0
First
Weekend Counter
423
0
0
First
Min and Max
785
0
0
First
The Angles of a Triangle
828
0
0
Rock
numpy
Life Counter
2
3
1
lambertw
Super Root
5
0
0
OOP with dataclasses
Web Log Sessions
10
3
1
Second
CheckSum
15
4
0
First
CheckSum
22
3
1
First
Most Efficient Cutting
25
0
0
DFS
Water Jars
35
0
0
First
Berserk Rook
48
1
1
First
Sort by Removing
88
0
1
Reduce
Parity Bit Generator
202
0
0
Shelter
First
AMSCO Cipher
2
1
0
First
ADFGVX Cipher
2
0
0
Clear solution with numpy
Pattern Recognition
5
1
1
First
Completely Empty
8
10
0
Brute force with counters
Halloween Monsters
33
0
0
First
The Nearest Square Number
35
3
1
Euler trail
One line Drawing
67
0
0
First
Seven Segment
138
0
0
First
Ghosts Age
483
0
0
Codeship
Polynomial coefficients
Probably Dice
1
84
7
First
Bats Bunker
2
1
1
label and binary_dilation from scipy.ndimage
Eaten Go Stones
4
0
0
Compact solution with scipy.ndimage
Eaten Go Stones
5
0
0
Second
Unfair Dice
15
3
1
First
The 88th Puzzle
19
1
1
OOP with enums and __lt__
Texas Referee
22
1
0
Brute force
Unfair Dice
23
1
2
First
The Square Chest
50
3
0
Second
The Square Chest
66
2
0
First
Pearls in the Box
228
0
0
Hermit
Cyclic quadrilateral angle
Strawberry Fields
13
1
0
First
Fractions Addition
35
1
1
Regex
Keywords Finder
46
0
0
Second
The Good Radix
181
0
0
Watchtower
Commented solution with label and generic_filter from scipy.ndimage
Boundary Blocks
2
8
1
With numpy and scipy.ndimage (again)
Bacteria Colonies
3
3
2
OOP brute
Magic Square
3
0
0
numpy.roll
Rotate Hole
4
0
0
First
Vigenere Cipher
9
5
0
First
DNA Common Sequence
26
0
0
Simple but inefficient
Bulls and Cows
27
0
0
Jarvis march
Convex Hull
43
0
0
First
Compare Functions
67
0
1
First
Numbered Triangles
75
0
0
First
Funny Addition
430
0
0
Escher
Compact solution with numpy and scipy.ndimage
The Buttons
1
10
6
BFS
Hypercube
1
0
0
numpy
Compass, Map and Spyglass
3
8
2
numpy matrix
Ground for the House
5
2
2
numpy
Ground for the House
8
1
1
Rotate with numpy
Keys and Locks
9
0
0
First
Graphical Key
18
0
0
First
The Secret Room
21
3
0
Opposite sides
The Tower
23
0
0
First
Treasures
25
3
0
Find index of maximum zeros in transposed matrix
The Stone Wall
42
3
0
First
Safe Code
53
0
2
First
Wild Dogs
63
0
0
First
The Ship Teams
134
2
1
Not On Map
defaultdict
Aggregate and Count
74
0
0
