49
Last seen 1 hour ago
Member for 10 years, 3 months, 1 day
Difficulty Normal
from Japan. hobby programmer. start Python from CheckiO.
Initiation
generator expression
Sum Numbers
2
50
2
count
All the Same
2
38
2
Counter
All the Same
3
28
4
str, len
Number Length
6
27
4
re.findall
End Zeros
6
25
5
iter
Split Pairs
6
5
1
one liner
The Most Frequent
9
4
1
First
Multiply (Intro)
10
20
3
split
First Word (simplified)
13
13
1
all
All the Same
28
12
1
slice
Replace First
32
11
1
strip
End Zeros
36
11
2
min with key
Nearest Value
38
9
1
reversed join
Backward String
42
18
1
First
The Most Frequent
47
7
0
First
Acceptable Password I
56
7
0
with
Easy Unpack
59
0
0
not any
All Upper I
64
8
1
First
Remove All Before
64
7
0
without capitalize
Correct Sentence
66
8
3
recursive
All the Same
68
1
1
lstrip
Beginning Zeros
84
6
1
First
Between Markers (simplified)
91
6
2
mod 2
Is Even
101
6
1
set
All the Same
102
0
2
eval
All the Same
103
0
0
re.findall
Beginning Zeros
113
5
1
First
Max Digit
138
5
1
Counter
The Most Frequent
158
3
0
zip
Split Pairs
192
3
2
sum
Count Digits
399
1
0
First
Sum Numbers
719
0
0
First
Easy Unpack
727
0
0
Home
First
Sun Angle
1
339
22
Japanese
Right to Left
1
124
19
one liner
Sort Array by Element Frequency
2
36
5
Second
Between Markers
2
22
3
61 chars
Duplicate Zeros
3
8
0
one liner
Missing Number
3
0
0
find & find
Second Index
5
32
0
First
Morse Decoder
8
23
0
pairwise, groupby, xor
Changing direction
10
6
0
re.search
First Word
12
21
1
recursive
Duplicate Zeros
17
3
0
re.search
Three Words
21
4
4
First
Pawn Brotherhood
34
5
2
difference of set
Missing Number
34
0
0
re.split & Counter
Popular Words
55
7
0
First
Split List
75
6
1
First
Three Words
79
1
1
First
Days Between
108
14
1
f-string
Date and Time Converter
108
4
1
First
Right to Left
182
0
0
First
Even the Last
268
0
0
First
Non-unique Elements
297
1
0
any all
Three Words
311
0
1
re.sub
Backward Each Word
327
1
0
Naive
Three Words
338
4
1
re
Between Markers
497
1
2
First
Sort Array by Element Frequency
633
0
0
First
Bigger Price
701
1
0
Counter
Popular Words
768
0
0
Electronic Station
First
Boolean Algebra
1
362
30
with comment
Acceptable Password V
1
120
16
replace
Brackets
1
96
12
with comment
Acceptable Password VI
1
92
11
Second
Inside Block
1
49
2
64 chars
Boolean Algebra
3
39
7
First
Verify Anagrams
4
19
0
re.sub
Brackets
6
12
4
one liner
Words Order
6
6
1
with comment
Acceptable Password II
7
18
1
eval eval
Boolean Algebra
8
20
1
BFS
Remove Brackets
8
13
4
re.match
Unix Match. Part 1
8
13
1
rindex
Sort by Extension
9
14
2
First
Acceptable Password V
10
10
4
First
Unix Match. Part 2
10
0
1
First
Inside Block
11
4
4
First
Can You Pass?
11
0
0
with comment
Acceptable Password IV
12
8
0
Arithmetic
Boolean Algebra
13
8
4
another eval
Boolean Algebra
19
5
1
SET
Boolean Algebra
24
4
0
dist
Similar Triangles
28
7
6
sorted
Verify Anagrams
31
2
0
Quadratic
Boolean Algebra
36
2
2
First
Remove Brackets
37
1
1
eval
Boolean Algebra
48
1
0
Recursive
Brackets
50
1
2
DICT
Boolean Algebra
51
2
0
First
Mathematically Lucky Tickets
75
0
0
any map
Acceptable Password III
86
3
0
rfind
Sort by Extension
96
3
1
one liner
All Upper II
98
4
0
any map
Acceptable Password II
100
3
0
side length ratio
Similar Triangles
107
2
2
zip, all
Ascending List
134
3
1
Second
Digits Multiplication
138
0
0
First
Acceptable Password IV
158
1
0
First
Digits Multiplication
206
0
0
First
Surjection Strings
236
0
0
First
Words Order
274
0
0
with comment
Acceptable Password III
292
0
0
First
Find Sequence
297
0
0
First
Brackets
488
0
0
Scientific Expedition
count
Follow Instructions
1
255
19
Counter
Call to Home
1
154
24
itertools.cycle
Caps Lock
1
32
2
First
Cipher Map
2
64
13
First
Bird Language
2
25
5
SET
Pangram
2
22
0
Infinite function generator
Caps Lock
2
16
2
max
Latest ISO datetime
2
10
0
Counter
Follow Instructions
3
61
4
translate 2
Striped Words
3
18
2
decorator
I Love Python!
4
23
0
Second
Morse Clock
5
8
5
O(n)
The Most Wanted Letter
7
8
0
First
Remove Accents
7
2
3
f-string
Time Converter (24h to 12h)
10
22
1
groupby, comprehensions
Nonogram Encode
17
0
0
First
Common Words
18
13
7
First
Letter Queue
34
0
0
First
The Hidden Word
37
0
0
First
Convert and Aggregate
38
0
0
datetime.fromisoformat
Latest ISO datetime
41
0
1
translate
Striped Words
46
0
1
First
Pangram
55
13
2
First
Absolute Sorting
75
2
2
First
Secret Message
81
2
0
generator
Sum by Type
103
3
0
filter
Sum by Type
104
3
1
sum
Follow Instructions
115
4
0
str.find
Goes Right After
115
3
0
First
Caps Lock
139
1
1
generator
I Love Python!
144
0
1
map capitalize
Conversion into CamelCase
166
3
0
First
Striped Words
308
0
0
re.findall
Conversion from CamelCase
322
0
0
re.sub
Conversion from CamelCase
323
0
3
First
Morse Clock
629
0
0
re.sub
Secret Message
669
2
0
Second
The Most Wanted Letter
746
1
1
First
The Most Wanted Letter
859
0
0
O'Reilly
f-string
Time Converter (12h to 24h)
1
179
14
Simple
Determine the Order
1
100
4
First
Sort Except Zero
1
69
7
np.matmul
Loading Cargo
1
13
0
First
Parse Array
1
7
4
from statics import median
Median of Three
2
42
2
statistics
Median
2
34
7
First
Integer Palindrome
2
9
0
another recursive
Flatten a List (iterator version)
2
0
0
combinations
Count Inversions
3
17
1
65 chars
Median
4
23
1
zip
Chunk
4
4
1
one liner
Frequency Sorting
6
5
1
groupby
Compress List
6
4
0
recursive
Flatten a List (iterator version)
6
1
0
make list, then yield
Flatten a List (iterator version)
7
1
0
one liner
How Deep
8
3
1
recursive
Sum of Digits
9
7
0
Recursive
Flatten a List
9
6
1
zip
Median of Three
11
9
0
numpy.median
Median
14
24
6
First
Reverse Every Ascending
21
8
0
Naive
Flatten a List
26
13
0
simple
The Final Stone
26
1
2
Second
Integer Palindrome
29
0
0
56 chars
Median
32
3
2
yield from
Flatten a List
33
3
0
First
Cipher Crossword
38
0
0
First
Determine the Order
46
0
0
First
Index Power
50
4
0
generator
Flatten a List
50
2
0
First
Count Inversions
54
2
0
First
Chunk
58
3
1
First
The Flat Dictionary
58
2
1
generator expression
Lightbulb Start Watching
58
2
0
zip(it, it)
Lightbulb Intro
80
3
1
sorted with key function
Frequency Sorting
88
4
0
First
Replace Last
89
4
1
stack
How Deep
95
1
0
First
Xs and Os Referee
97
2
1
naive 2nd
Flatten a List
132
6
0
First
Majority
146
3
1
First
Compress List
190
0
0
First
Remove All After
235
1
1
First
Loading Cargo
1306
0
0
Second
Loading Cargo
1307
0
0
First
Median
1826
0
0
Incinerator
class factory
3 Chefs
1
64
10
constant table
Geometry Figures
1
10
3
First
Building Base
2
144
12
metaclass
Capital City
2
24
1
First
Voice TV Control
2
19
0
First
Army Units
4
18
1
First
Party Invitations
4
9
0
abc
3 Chefs
5
17
1
table
Multicolored Lamp
6
27
1
ABC
Geometry Figures
6
10
1
First
Hacker Language
8
5
1
First
Text Editor
10
8
1
First
Every Person is Unique
12
7
1
ABC
Microwave Ovens
31
2
0
First
Friends
38
4
3
First
Microwave Ovens
38
1
0
dict
Geometry Figures
46
0
4
First
Capital City
57
0
6
First
3 Chefs
73
1
1
Mine
reduce
The Greatest Common Divisor
1
176
25
First
Currency Style
1
111
7
First
What Is Wrong With This Family?
1
70
12
First
Find Enemy
1
40
2
list comprehension
Matrix "Hatching"
1
13
2
one liner
Long Pressed
1
6
1
map
Caesar Cipher (decryptor)
3
16
5
Dynamic Programming
Fast Train
3
2
2
SET
Moore Neighbourhood
4
16
2
First
Bigger Together
5
21
0
recursive
Disposable Teleports
5
13
2
BFS
Fast Train
5
6
0
First
Aggregate by Operation
6
5
1
max with default parameter
Replace with Biggest
6
3
0
First
Escape
7
6
1
First
The Einstein Problem-Lite
10
5
2
First
Chemical Analysis
11
0
0
First
Domino Chain
14
4
1
get, union
Switch Keys to Values
15
3
1
First
Achilles and the Tortoise
16
0
0
First
Color Map
18
4
1
while, slice
Fibonacci Poem
20
0
1
zip_longest, groupby
Long Pressed
21
1
0
Traverse tree from root
What Is Wrong With This Family?
23
7
1
set.union
Chess Knight
24
3
0
enumerate with start parameter
Replace with Biggest
26
0
0
stack
Adjacent Letters
27
0
1
deque
Chess Knight
28
2
0
O(n)
Long Pressed
30
0
0
First
Can Balance
42
3
0
First
Moore Neighbourhood
51
1
0
for loop
The Greatest Common Divisor
53
5
1
from python 3.9 :-)
The Greatest Common Divisor
53
0
0
First
Binary Count
77
2
2
First
Determinant
98
0
0
First
Cut Sentence
134
0
0
First
Disposable Teleports
152
0
0
recursive
The Greatest Common Divisor
156
1
1
key parameter
Best Stock
177
4
0
map
Caesar Cipher (encryptor)
180
2
0
First
Fizz Buzz
284
0
1
Ice Base
First
Monkey Typing
1
861
83
First
How to Find Friends
1
314
36
split
Find Quotes
1
129
3
First
Clock Angle
1
97
2
First
Morse Encoder
1
66
0
Short
Counting Tiles
1
17
4
O(n)
Largest Rectangle in a Histogram
1
16
1
min max
Interesting, intersecting
1
10
0
sympy expand
Write Quadratic Equation
1
9
1
one liner
When "k" is Enough!
1
6
0
First
Making Change
2
64
4
Newton method
Feed Pigeons
2
50
1
First
Largest Rectangle in a Histogram
2
43
1
O(n)
Long Repeat
2
27
1
First
Identify Block
2
9
1
state machine
Reveal the Number
5
5
1
rotate numbers
Identify Block
6
8
0
First
Oil Pie
7
2
2
replace
Roman Numerals
8
13
2
sum zip
Not in Order
8
5
1
First
Write Quadratic Equation
11
3
0
re
Is String a Number? (Part II)
15
2
0
full search
One Switch Strings
15
0
0
dictionary of set
How to Find Friends
16
15
1
set
Count Chains
22
3
0
split two parts
Reveal the Number
22
0
0
Counter
When "k" is Enough!
25
1
0
First
Move Zeros
29
0
0
isdigit
Is String a Number?
31
0
0
one liner
Is String a Number?
32
0
0
capitalize, upper, lower
Correct Capital
47
0
1
BFS
How to Find Friends
58
0
0
Recursive
Roman Numerals
84
0
0
First
Counting Tiles
156
0
0
First
Reverse Roman Numerals
181
0
0
First
The Most Numbers
192
0
0
Second
How to Find Friends
196
2
1
First
Long Repeat
400
1
0
First
Feed Pigeons
510
0
0
First
Roman Numerals
1110
0
0
Alice In Wonderland
First
Middle Characters
1
152
6
~n:n+1
Middle Characters
1
22
2
strptime
When is Friday?
2
53
2
iter
Swap Nodes
2
24
7
date.weekday()
When is Friday?
6
19
2
min, max
The Fastest Horse
6
12
1
inversion
15-puzzle Solvability
7
1
0
First
Flood Area
11
2
0
Second
Transposed Matrix
16
2
0
Recursive
Tree Walker
19
2
1
First
Digits Doublets
26
0
0
First
IP Network: Route Summarization
29
2
0
First
The Shortest Knight's Path
29
0
0
First
Multiplication Table
39
0
0
Second
Multiplication Table
40
0
0
iter, zip_longest
Swap Nodes
75
1
0
First
Zigzag Array
95
0
0
First
Long Non Repeat
125
0
0
First
Transposed Matrix
689
0
0
GitHub
First
Solution for Anything
1
321
12
First
Broken Clock
1
41
4
namedtuple
Shooting Range
1
40
3
Second
Barcode Reader
1
12
0
First
Power Supply
2
15
1
First
Shooting Range
2
12
0
BFS with defaultdict
The Cheapest Flight
4
22
0
dict
Paper Dice
4
2
1
First
Painting Wall
5
11
4
First
Barcode Reader
5
4
0
First
Xs and Os Champion
8
0
0
for else
Barcode Reader
10
1
1
First
Cookies
11
8
0
First
The Most Frequent Weekdays
12
14
3
First
Merge Intervals
13
6
0
First
Create Intervals (generator version)
13
1
0
First
Long Repeat Inside
14
5
1
heapq
Power Plants
23
0
0
First
Simplify Unix Path
30
0
2
yield from
Expand Intervals
31
5
0
gcd
Evenly Spaced Trees
31
1
1
any
Searchlights
43
0
0
First
Area of a Convex Polygon
48
1
0
First
Create Intervals
72
2
1
First
The End of Other
88
0
0
max
The Highest Building
106
0
0
First
Open Labyrinth
790
0
0
Dropbox
First
Friendly Number
1
91
14
Third
Three Points Circle
1
88
16
multiple of 45
Hubspot Amulet
1
20
0
Fast
Numbers Factory
1
19
2
First
Nonogram Row
1
8
1
recursive candidate keys generator
Grille Cipher Attack
1
6
1
getattr
Simple Hashlib
2
8
5
zip, reversed
Common Tail
3
15
1
eval
Calculator-I
5
6
1
Naive
Simple Hashlib
5
5
1
zip_longest
Scytale Encryption
6
5
1
First
Scytale Encryption
7
5
1
First
Place Queens
7
0
0
re.sub
URL Normalization
8
4
0
one dimensional
Rotating Grille Cipher
9
1
1
Counter, heapq
Huffman Encode
11
0
0
pairwise, chain
Sort Sorted Groups
12
0
1
split, format
Text Formatting
16
5
1
iter and zip_longest
Scytale Encryption
20
2
1
max, key, default
The Longest Word
21
0
1
Recursive
On the same path
22
1
1
First
Three Points Circle
23
2
0
textwrap and zip_longest
Scytale Encryption
23
1
0
First
The Longest Palindromic
33
0
0
First
Hubspot Amulet
33
0
0
First
Humpty Dumpty Form
49
0
0
translate
Atbash Cipher
53
0
1
First
Worth of Words
76
3
1
Python
The Best Number Ever
115
0
0
First
Numbers Factory
193
0
0
First
Speech Module
2604
0
0
PyCon TW
First
Dark Labyrinth
1
41
8
groupby
Sum Consecutives
1
10
0
BFS
Unfair Districts
2
5
2
First
Network Attack
3
28
7
One liner
Golden Pyramid
7
5
3
One liner 2nd
Golden Pyramid
8
4
2
First
Express Delivery
11
2
0
54 chars
House Password
12
13
7
original table
Ryerson Letter Grade
12
8
1
Second
Calculate Islands
15
5
3
union and find
Fused Cubes
22
0
0
First
Digit Stack
24
2
2
dict
Simple Areas
25
0
3
First
Robot Sort
32
0
5
Exhaustive
Golden Pyramid
38
0
0
First
Sum Consecutives
49
2
1
union and find
Calculate Islands
52
3
1
Second
Simple Areas
56
0
0
First
Building Visibility
59
0
0
First
How Much Gold
62
0
0
First
Double Substring
89
1
0
First
Calculate Islands
100
0
0
First
House Password
301
1
1
Storage
First
Weak Point
1
312
16
direct calculation
Square Spiral
1
95
4
62 chars
Word Pattern
1
24
5
43chars
Exec Quine
1
17
1
First
Earth Distances
1
16
0
random
Forgetful Prisoner
1
5
0
First
Moria Doors
2
33
1
Second
Skew-symmetric Matrix
2
7
0
First
Mind Switcher
3
15
3
76 chars
Word Pattern
4
9
2
deque
Digging a Canal
4
0
2
First
Hexagon Spiral
4
0
0
First
Battle Dice
5
1
5
72 chars
Word Pattern
6
6
2
First
Haunted House
6
0
0
3 point lines
The Rows of Cakes
8
0
0
First
Square Spiral
9
0
0
groupby
Group Equal consecutive
11
16
0
First
Restricted Prime
12
4
0
First
Digging a Canal
12
0
0
First
Playfair Cipher
13
0
0
78 chars
Word Pattern
14
0
0
77 chars
Word Pattern
15
0
2
First
English to Braille Translator
16
1
0
First
The Rows of Cakes
20
0
0
First
Saw the Stick
35
0
0
Second
The Rows of Cakes
57
0
2
First
Skew-symmetric Matrix
304
0
0
Maya
proof by contradiction
Net Game
3
4
1
First
Light Up
12
0
0
always return to start
Inertia
19
0
3
Greedy search using Dijkstra
Inertia
20
0
0
HubSpot
Second
Auto Painting
2
24
4
First
Repeating Decimals
2
16
0
divmod
Square Board
3
17
2
incremental search
Workout
3
4
0
First
Expected Dice
3
0
0
First
Node Disconnected Users
5
9
1
generator expression
Non Empty Lines
6
10
0
75 chars (python 3.8 :=)
Univocalic davasaan
6
5
1
union and find
Triangular Islands
7
5
0
one liner
Number Base
8
12
3
Dijkstra
Supply Line
12
3
1
timedelta
Weekly Calendar
13
3
0
dynamic programming
Team Play
15
1
0
rotate all points
Inscribe a Contour
18
0
0
82 chars
Univocalic davasaan
20
0
2
Second
New Cities
29
2
0
First
Auto Painting
32
0
0
Happy birthday!
Next Birthday
40
1
0
First
New Cities
55
0
1
First
The Hamming Distance
83
0
0
First
Number Base
134
0
0
First
Restricted Sum
265
0
0
Blizzard
Dynamic programming
String Conversion
1
10
2
without branch
The First Working Day
1
9
0
set of square
Rectangles Union
2
22
1
First
String Conversion
2
20
2
forward recursive
String Conversion
2
5
0
Recursive
Stair Steps
2
5
0
Second
Stressful Subject
3
8
0
backward recursive
String Conversion
3
5
0
First
Safe Coasts
4
6
1
scipy.sparse.csgraph.minimum_spanning_tree
Connect Stars
5
0
0
sorted
Min and Max
7
12
0
Second
Radiation Search
7
7
8
First
Unlucky Days
8
18
0
union
Connect Stars
8
3
1
one liner
Weekend Counter
9
4
1
Second
String Conversion
10
5
0
heapq
Min and Max
14
4
5
BFS with defaultdict
Useless Flights
17
0
0
Kruskal's algorithm
Connect Stars
18
0
0
divmod
Reversed Permutation Index
23
1
1
First
Sudoku Solver
25
0
0
First
Palindromic Palindrome
31
0
0
sum of factorial
Permutation Index
32
0
0
iter
Min and Max
40
24
4
First
Stressful Subject
62
5
2
First
The First Working Day
70
0
0
First
Min and Max
226
3
18
First
Weekend Counter
267
0
0
First
The Angles of a Triangle
291
0
0
First
Spaceship Landing Strip
329
0
0
Second
Spaceship Landing Strip
330
0
0
First
Radiation Search
401
0
0
Second
The Angles of a Triangle
415
0
0
Rock
First
Parity Bit Generator
1
40
3
log then Halley
Super Root
1
20
2
permutations
Most Efficient Cutting
1
16
2
Counter
Home Coming
1
6
1
First
Crossword Solver
1
1
1
First
Life Counter
2
18
0
First
Black Holes
2
12
0
log then Newton
Super Root
3
8
1
First
Chicken Hunt
3
1
1
First
Family Gifts
3
0
0
67 chars
Parity Bit Generator
4
10
5
Newton method
Super Root
4
5
6
First
Berserk Rook
5
6
3
ast
Count Comprehensions
5
1
0
union and find
Hexagonal Islands
6
4
1
map
Parity Bit Generator
6
2
0
generator
Fibonacci Spiral's End
7
5
1
First
Count Comprehensions
8
0
0
more simple
Water Jars
12
0
0
binary search
Super Root
19
0
0
First
Web Log Sessions
20
0
0
BFS
River Crossing
21
0
0
Recursive
Greedy Number
31
0
0
First
Water Jars
33
0
0
First
CheckSum
75
0
0
First
Sort by Removing
80
0
1
Shelter
First
ADFGVX Cipher
1
39
4
Second
ADFGVX Cipher
1
34
9
right-hand rule
The Lantern Festival
3
11
1
First
Climbing Route
4
3
1
First
AMSCO Cipher
7
0
0
First
Seven Segment
8
13
1
DFS revised
One line Drawing
8
5
1
not list trick
Completely Empty
11
8
1
First
Completely Empty
16
7
0
First
Pattern Recognition
23
0
0
BFS with Counter
Halloween Monsters
25
1
2
First
The Nearest Square Number
28
3
3
divide four rectangles
Four To The Floor
31
0
0
divide two rectangles
Four To The Floor
32
0
0
hexagon generator
Landing Site
35
0
0
use any
Pattern Recognition
41
0
0
First
Ghosts Age
149
0
0
Codeship
First
Texas Referee
1
23
5
fast
Unfair Dice
1
18
1
bi-direction
8 Puzzle
1
4
2
Random Solver
Magic Domino
1
1
2
Recursive
The Territory of Go
2
5
1
Short
Minesweeper
2
3
0
Exhaustive
Unfair Dice
2
2
0
We love comprehensions
Magic with 5 cards
5
2
1
First
Snake Lite
7
0
1
Third
Behind 2048
9
0
4
First
The 88th Puzzle
10
2
1
Generator
Unfair Dice
14
0
0
Generator & sum of subset
The Square Chest
15
8
1
First
Minesweeper
19
0
0
First
Bats Bunker
25
0
0
First
Pearls in the Box
26
1
2
make table
Ugly Numbers
30
0
2
First
Probably Dice
67
2
2
First
8 Puzzle
75
0
0
Generator
Probably Dice
104
0
0
First
The Square Chest
286
0
0
Hermit
combination
Break Rings
1
171
7
Third
Anagrams By Stacks
1
19
2
eval
Simplification
1
15
3
RPN
Reverse Engineer
1
4
2
First
Count Consecutive Summers
2
57
3
First
Network Loops
2
16
6
First
Strawberry Fields
3
7
1
BFS
Stacking Cubes
5
5
1
Short
Colder-Warmer
5
3
0
while, index
Backspace Apply
8
5
1
max max
Stock Profit
8
3
0
First
Keywords Finder
11
1
7
Counter
Simplification
12
0
0
len of set
Unique Email Addresses
13
3
1
Fraction
Fractions Addition
14
3
0
heapq BFS
Break Rings
15
1
0
Second
Anagrams By Stacks
17
0
0
First
Mono Captcha
24
0
0
First
Colder-Warmer
28
0
0
weekday, timedelta
Birthday Party
31
0
0
First
Anagrams By Stacks
32
0
0
while, index 2
Backspace Apply
41
0
0
difference_update
Shorter Set
55
0
0
First
Ore In The Desert
82
0
0
First
The Good Radix
108
0
0
Watchtower
First
Bag of Santa Claus
1
19
5
magic numbers 70,21,15
Number Guess
1
18
0
First
Ethernet Ring Dimensioning
1
12
0
First
Rotate Hole
1
11
6
7 steps solver
Bulls and Cows
1
9
1
First
Wall Keeper
1
8
1
O(1)
Wall Keeper
1
6
2
np.matmul
Wall Keeper
1
4
2
First
Bacteria Colonies
2
22
1
68 chars
Rotate Hole
2
11
0
Short
Bulls and Cows
2
5
1
wo trig
Convex Hull
2
4
1
2 liner
Wall Keeper
2
1
0
First
DNA Common Sequence
3
10
2
Second
Vigenere Cipher
3
7
2
Second
Bulls and Cows
5
5
0
defaultdict
DNA Common Sequence
5
4
6
First
Vigenere Cipher
12
0
0
First
Bulls and Cows
14
0
0
union and find
Boundary Blocks
22
0
0
First
Magic Square
23
0
0
First
Compare Functions
24
1
0
First
Number Guess
50
0
0
First
Convex Hull
53
0
0
First
Numbered Triangles
53
0
0
First
Funny Addition
390
0
0
Escher
6 line
Card Game
1
32
1
combinations
Wild Dogs
2
34
3
table
The Secret Room
2
9
1
re.search & eval
Safe Code
3
12
2
scipy linprog
Treasures
3
3
0
for-else
Card Game
4
11
0
speech module
The Secret Room
6
9
1
Dynamic Programming
The Stones
7
11
2
BFS
Graphical Key
8
4
1
comment one by one
Compass, Map and Spyglass
10
9
0
Counter
The Tower
13
1
1
recursive search (DFS)
Hypercube
17
2
1
First
Keys and Locks
19
4
0
Recursive
The Buttons
19
1
0
exaustive search
Treasures
26
3
1
min, max
Ground for the House
52
4
0
Second
Ground for the House
56
4
0
comment one by one
The Stone Wall
67
2
3
sort with generator expression
The Ship Teams
136
2
0
Not On Map
one liner
Length of the String
7
0
0
First
Aggregate and Count
61
0
1
First
Length of the String
124
0
0