45
Awesome Team
Masayuki Hayashi
Last seen 1 hour ago
Member for 8 years, 1 month, 25 days
Difficulty Normal
Initiation
recursion
Number Length
2
69
13
slice
Replace First
22
13
1
recursion
Max Digit
37
10
4
recursive solution
Is Even
41
0
0
reduce
All the Same
48
2
1
collections.Counter
The Most Frequent
62
6
0
bisect
Nearest Value
180
3
1
Modulo operation
End Zeros
217
3
0
str.ljust()
Split Pairs
359
1
0
findall
Count Digits
381
1
0
slice
Beginning Zeros
413
1
1
comprehension
Easy Unpack
508
1
0
re.fullmatch
Sum Numbers
720
0
0
Home
First
Date and Time Converter
2
81
7
re.match(ver.2)
Second Index
36
10
2
zip
Changing direction
40
0
0
max
Missing Number
46
0
0
min, max
Missing Number
53
0
0
First
First Word
122
6
0
list
Morse Decoder
125
4
0
Three words
Three Words
238
6
0
Right to Left
Right to Left
275
6
1
re.findall
Backward Each Word
319
1
0
Counter
Sort Array by Element Frequency
353
2
1
sorted
Bigger Price
356
3
0
math.ceil
Split List
364
1
1
Clear
Non-unique Elements
461
8
0
First
Pawn Brotherhood
729
2
2
First
Between Markers
762
0
0
First
Sun Angle
764
0
0
re.findall
Popular Words
829
0
0
Days Between
Days Between
1517
0
0
Even the last
Even the Last
2571
0
0
Second
Even the Last
2609
0
0
Electronic Station
zip
Surjection Strings
1
193
10
all
Ascending List
1
102
7
min(avail, needs)
Blood distribution
1
15
2
First
Inside Block
3
18
3
deque.popleft()
Cipher Dict
13
0
0
re.match()
Unix Match. Part 1
25
7
4
First
Can You Pass?
31
3
0
re.match()
Unix Match. Part 2
55
1
1
First
Mathematically Lucky Tickets
124
0
0
First
Verify Anagrams
132
8
0
re.search
Sort by Extension
180
1
0
Boolean Algebra
Boolean Algebra
217
3
2
re.sub
Acceptable Password II
237
1
0
Digits Multiplication
Digits Multiplication
316
4
1
First
Find Sequence
394
0
0
First
Brackets
926
0
0
Scientific Expedition
split('a')
Caps Lock
1
109
6
numpy.rot90
Nonogram Encode
1
0
0
comprehension
Follow Instructions
2
94
6
First
Bird Language
4
67
4
re.findall, match
Combining Celebrity Names
4
5
1
wfs
Water Sort Game
4
0
0
defaultdict
Convert and Aggregate
22
3
1
First
Call to Home
31
5
1
First
Morse Clock
65
5
1
fstring
Time Converter (24h to 12h)
129
5
1
split, join
Conversion into CamelCase
218
2
0
First
The Hidden Word
223
0
0
find
Goes Right After
233
1
1
isinstance
Sum by Type
273
0
1
re.findall
Conversion from CamelCase
321
0
0
First
Cipher Map
373
0
0
Secret Message
Secret Message
477
3
2
First
Letter Queue
603
0
2
First
Striped Words
658
0
0
First
The Most Wanted Letter
918
1
0
First
Pangram
1013
0
0
First
Absolute Sorting
1145
1
2
First
Common Words
1298
0
0
O'Reilly
heapq
The Final Stone
1
27
2
defaultdict(lambda: operating)
Lightbulb Operating
1
0
0
pop()
Sort Except Zero
2
52
9
yield
Remove All After
2
43
5
Counter
Ordinary Cardinals
2
6
0
ascii_lowercase, ascii_uppercase
String-2-Matrix
2
5
1
write on screen
The Hollow Diamond
2
4
1
comprehension
Lightbulb End Watching
3
34
1
recursive solution
How Deep
3
26
4
combinations
Grid Painting
5
0
0
chain
Matrix-2-String
8
0
0
First
Loading Cargo
12
9
1
merge elapsed time
Multiple Lightbulbs
17
2
0
First
Cipher Crossword
21
1
0
re.match()
Time Converter (12h to 24h)
22
8
1
itertools.groupby
Compress List
28
8
0
recursion
Sum of Digits
31
2
1
Counter
Lightbulb More
37
0
0
itertools.groupby
Frequency Sorting
40
7
0
deque
Reverse Every Ascending
44
4
1
First
The Flat Dictionary
48
3
0
comprehension
Lightbulb Intro
58
4
0
comprehension
Lightbulb Start Watching
59
2
1
Count Inversions
Count Inversions
69
4
0
First
Determine the Order
96
0
1
Second
Xs and Os Referee
374
3
0
Xs and Os Referee
Xs and Os Referee
730
1
0
First
Flatten a List
799
0
0
median
Median
1133
1
0
Index Power
Index Power
2271
0
1
Incinerator
First
Army Units
6
14
0
First
Text Editor
22
4
0
First
Party Invitations
47
1
0
First
Every Person is Unique
59
1
2
First
Friends
446
0
0
First
Building Base
573
0
0
Mine
Cube coordinates
Ulam-Warburton Automaton Hex
1
18
1
re.sub(ver.2)
Cut Sentence
2
74
5
Second
Bigger Together
2
53
2
First
Determinant
2
19
1
Track Tooth Ends
Toothpicks
2
10
2
slice
Staircase
2
3
0
get vector
Find Enemy
3
10
0
recursion
Adjacent Letters
3
9
1
defaultdict
Switch Keys to Values
6
5
1
set, slice
Count Morse
6
5
1
Memoization and Recursion
Cut Into Squares
6
0
1
zip_longest
"Lunar" Multiply
6
0
0
string.ascii_lowercase
Caesar Cipher (encryptor)
7
15
0
First
Currency Style
7
10
1
zip
Matrix "Hatching"
7
1
0
First
Domino Chain
8
8
0
match, Counter
Chemical Analysis
8
0
0
dictionary
What Is Wrong With This Family?
9
10
1
First
Disposable Teleports
9
7
0
straightforward
Postfix Evaluation
10
0
0
set object
Chess Knight
13
5
1
while health:
Escape
14
1
1
First
The Einstein Problem-Lite
15
2
2
skip long-pressed
Long Pressed
20
1
0
reversed
Replace with Biggest
33
0
0
First
Can Balance
38
4
0
First
Achilles and the Tortoise
46
4
0
First
Color Map
54
0
0
string.ascii_lowercase
Caesar Cipher (decryptor)
80
0
0
First
Binary Count
209
6
0
Fizz Buzz
Fizz Buzz
415
3
0
First
Moore Neighbourhood
443
2
0
First
Best Stock
673
0
0
Ice Base
f-strings
Write Quadratic Equation
2
11
1
First
Oil Pie
3
25
3
numpy.rot90
Identify Block
3
13
1
defaultdict
Cleaning Robot
4
0
0
re.findall
Count And Say
5
1
0
recursion with index and max
Colorful Disks
6
0
0
First
Counting Tiles
9
15
0
First
Making Change
17
3
0
filterfalse
Move Zeros
20
2
0
sum
Not in Order
20
0
1
re.sub, search
Reveal the Number
20
0
0
yield
When "k" is Enough!
30
0
0
list
Morse Encoder
42
6
2
First
Largest Rectangle in a Histogram
55
4
0
First
Clock Angle
62
1
0
First
Feed Pigeons
78
6
0
recursion
Reverse Roman Numerals
100
2
0
First
How to Find Friends
172
3
0
Monkey Typing
Monkey Typing
217
3
0
re.findall
Long Repeat
544
0
0
First
Roman Numerals
608
2
0
The Most Numbers
The Most Numbers
767
1
0
Alice In Wonderland
stacks
Flood Area
3
8
1
Try 4 directions
Bishop vs Aliens
4
0
0
recursive solution
Tree Walker
5
9
1
Counter, numpy.argmin
The Fastest Horse
5
0
0
chain
Swap Nodes
6
13
0
count inversions
15-puzzle Solvability
6
1
0
comprehension
Zigzag Array
15
6
2
weekday()
When is Friday?
22
8
1
First
Digits Doublets
33
1
0
First
Long Non Repeat
49
3
0
First
IP Network: Route Summarization
68
0
0
First
The Shortest Knight's Path
72
0
0
First
Transposed Matrix
74
4
0
slice
Middle Characters
92
1
2
First
Multiplication Table
151
0
0
GitHub
list of 11 patterns
Paper Dice
1
1
1
chain
Expand Intervals
2
29
6
numpy.argmax
The Highest Building
4
3
0
in any lights
Searchlights
5
5
0
recursion & memoization
Power Plants
6
4
6
First
Barcode Reader
8
2
0
First
Broken Clock
9
6
3
split, join
Simplify Unix Path
15
2
2
Dijkstra, heapq
The Cheapest Flight
16
5
3
re.search()
Cookies
17
6
0
First
The Most Frequent Weekdays
25
8
0
First
Long Repeat Inside
28
3
0
First
Xs and Os Champion
29
0
0
comprehension
Evenly Spaced Trees
34
1
1
recursion
Create Intervals
39
4
2
First
Power Supply
42
0
1
First
Area of a Convex Polygon
54
1
0
while loop
Merge Intervals
61
0
0
First
Shooting Range
80
0
0
First
Painting Wall
90
0
0
First
Solution for Anything
94
2
1
First
Open Labyrinth
165
2
0
First
The End of Other
290
1
0
Dropbox
First
Nonogram Row
1
0
0
eval
Worth of Words
2
13
0
numpy.rot90
Rotating Grille Cipher
2
3
1
First
Text Formatting
3
15
1
combinations
Count Squares
3
3
0
str.maketrans
Atbash Cipher
4
12
0
findall, pop()
Revorse the vewels
6
0
1
First
Friendly Number
9
22
0
combinations
Tricky String
10
2
0
chain
Sort Sorted Groups
11
0
2
First
Hubspot Amulet
12
2
1
First
Place Queens
13
1
0
Counter, heapq
Huffman Encode
13
0
0
comprehension
Scytale Encryption
14
3
1
dictionary
On the same path
14
3
1
sorted()
The Longest Word
22
0
2
longest_palindromic
The Longest Palindromic
25
15
1
First
URL Normalization
50
0
0
First
Simple Hashlib
87
2
0
First
Humpty Dumpty Form
122
1
0
First
Three Points Circle
204
0
0
First
Numbers Factory
340
0
1
First
Speech Module
872
0
0
PyCon TW
First
Ryerson Letter Grade
2
22
2
First
Robot Sort
3
15
2
First
Express Delivery
9
4
0
First
Unfair Districts
9
1
0
First
Network Attack
15
5
0
itertools.groupby()
Sum Consecutives
16
5
0
First
Dark Labyrinth
17
0
0
First
How Much Gold
24
2
2
Second
Golden Pyramid
32
8
0
First
Double Substring
72
2
0
First
Building Visibility
111
0
0
First
Calculate Islands
139
0
0
First
Digit Stack
180
1
0
First
Simple Areas
334
0
0
First
Golden Pyramid
360
0
0
House password
House Password
1296
1
0
Storage
First
Forgetful Prisoner
3
2
0
First
Playfair Cipher
4
7
1
datetime, combinations
Schedule Mode Builder
4
0
0
First
Battle Dice
9
0
0
First
Mind Switcher
11
4
1
First
Restricted Prime
12
6
0
rjust
List Beautify
14
0
0
First
Earth Distances
15
2
1
First
Square Spiral
23
2
1
First
Hexagon Spiral
26
0
0
First
Exec Quine
41
0
0
First
Saw the Stick
43
3
0
First
Digging a Canal
45
0
0
First
English to Braille Translator
53
0
0
First
The Rows of Cakes
89
0
0
First
Word Pattern
164
0
2
First
Moria Doors
210
0
0
First
Skew-symmetric Matrix
396
0
0
First
Weak Point
464
0
0
Maya
First
Signpost
1
13
4
numpy.rot90
Unruly
1
0
0
sympy.factorint
Find Rectangles
1
0
0
HubSpot
zip
Team Play
1
37
2
First
Repeating Decimals
1
2
1
Calendar.monthdatescalendar
Weekly Calendar
2
7
0
splitlines
Non Empty Lines
4
12
0
lambda and max
Univocalic davasaan
4
0
0
Set Objects
Supply Line
6
7
1
First
Supply Stations
8
0
0
modulo
Square Board
9
5
0
calendar.isleap
Next Birthday
12
3
1
use set object
Node Disconnected Users
13
5
4
while
Workout
16
0
0
use 'New Cities'
City's Happiness
23
1
0
First
Auto Painting
25
2
0
brute force
Expected Dice
26
0
0
use set object
New Cities
57
0
0
First
Restricted Sum
144
7
2
First
Number Base
428
2
1
First
The Hamming Distance
744
0
0
Blizzard
import cheapest_flight
Useless Flights
1
15
1
divmod
Reversed Permutation Index
2
9
0
comprehension
Permutation Index
4
6
3
First
String Conversion
6
3
0
First
Sudoku Solver
8
4
2
recursion
Checkers Capture
8
0
0
comprehension
Rectangles Union
12
7
0
First
The First Working Day
14
5
0
First
Stair Steps
17
7
2
First
Spaceship Landing Strip
21
2
1
First
Safe Coasts
24
2
0
First
Weekend Counter
34
4
1
First
Radiation Search
36
1
0
First
Unlucky Days
71
3
0
First
Palindromic Palindrome
91
0
0
re.search
Stressful Subject
213
1
0
First
Min and Max
407
1
0
First
The Angles of a Triangle
627
0
0
Rock
recursion
Greedy Number
1
5
0
recursion
Most Efficient Cutting
2
11
2
comprehension
Sort by Removing
2
11
1
Counter
Home Coming
3
5
0
memoization and recursion
All Roads Lead to Rome!
3
0
0
my first DP
Family Dinner
5
3
0
combinations
Garland
6
0
0
shuffle & shuffle
Family Gifts
8
0
0
First
Water Jars
9
2
0
First
Life Counter
10
4
0
First
Black Holes
11
1
2
yield
Hexagonal Islands
11
0
0
First
Chicken Hunt
12
0
0
re.finditer
Count Comprehensions
21
0
0
First
Parity Bit Generator
22
4
0
First
Crossword Solver
22
0
0
First
CheckSum
44
1
2
First
Berserk Rook
68
0
1
First
Web Log Sessions
76
0
0
First
Super Root
193
0
0
Shelter
First
Climbing Route
2
5
0
First
AMSCO Cipher
3
22
0
intersection, issubset, union
Seven Segment
4
17
2
math.sqrt, cell, floor
The Nearest Square Number
6
11
0
First
ADFGVX Cipher
6
6
0
First
The Lantern Festival
6
1
0
set operation
Landing Site
11
1
1
recursive solution
Delivery Drone
12
0
0
First
Pattern Recognition
13
4
1
First
One line Drawing
22
1
1
Counter
Halloween Monsters
23
2
2
First
Completely Empty
80
0
0
First
Ghosts Age
88
4
3
Codeship
First
Snake Lite
1
9
2
numpy.roll
Rolling 🎲!
1
8
2
First
Eaten Go Stones
2
9
0
First
Bats Bunker
3
8
2
First
The 88th Puzzle
3
7
2
use Set Objects
The Territory of Go
3
5
1
re.match, len
Reversi: Othello Moves
3
0
0
First
Unfair Dice
10
4
0
First
Texas Referee
10
3
2
breath-first search
8 Puzzle
11
2
1
First
Minesweeper
11
2
1
First
Magic Domino
17
0
0
First
Behind 2048
48
0
0
First
The Square Chest
49
3
0
Pearls in the box
Pearls in the Box
116
1
0
First
Probably Dice
130
0
0
Hermit
fractions.Fraction
Fractions Addition
1
26
2
re.findall
Backspace Apply
1
0
0
First
Colder-Warmer
2
12
2
First
Mono Captcha
3
13
1
acos, degrees
Strawberry Fields
4
7
1
datetime.weekday
Birthday Party
8
1
0
First
Reverse Engineer
8
0
0
First
Anagrams By Stacks
11
1
0
slice
Stock Profit
12
2
0
First
Network Loops
17
2
1
ascii_uppercase
Excel Column Number
17
0
0
sorted
Shorter Set
23
1
0
First
Simplification
23
0
0
First
Keywords Finder
41
0
1
First
The Good Radix
57
1
0
First
Count Consecutive Summers
89
2
2
First
Break Rings
129
0
0
low accuracy
Ore In The Desert
155
0
0
Watchtower
recursive solution
Broken Window
3
2
0
First
Convex Hull
5
5
1
First
Number Guess
5
4
3
First
Ethernet Ring Dimensioning
7
4
0
Find blocks that overlap the areas
Boundary Blocks
8
0
0
First
Bulls and Cows
12
2
0
First
Compare Functions
14
3
1
First
Wall Keeper
16
1
1
First
Bacteria Colonies
17
1
0
First
DNA Common Sequence
28
0
0
First
Vigenere Cipher
36
1
1
First
Numbered Triangles
52
0
0
First
Magic Square
63
0
0
First
Funny Addition
144
4
0
First
Rotate Hole
214
0
0
Escher
First
Graphical Key
1
2
0
First
Compass, Map and Spyglass
2
42
3
First
Card Game
6
9
0
reduce(or_)
Ground for the House
6
1
2
numpy.rot90
Keys and Locks
6
1
0
numpy.rot90, argmax
The Stone Wall
6
0
0
keys()
The Ship Teams
11
12
2
First
The Stone Wall
12
8
0
First
The Secret Room
17
4
1
Counter
The Tower
18
0
1
dictionary
The Stones
24
3
0
First
The Buttons
24
0
0
Second
Keys and Locks
42
0
0
First
Safe Code
52
0
1
Not On Map
Counter
Aggregate and Count
4
0
0
recursion
Base change - Position System
5
0
0