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ale1ster
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3273/ 3445
Last seen 3 years ago
Member for 10 years, 10 days
Difficulty Normal
Nothing to see here... Just another human being (even though I wouldn't like to believe so) ;)

Missions (139) / Solutions (150)
Best solutions / Newest solutions
Initiation
re.search()
Between Markers (simplified)
rf-string
escape
re.escape
f-string
re.search
2
2
map on indices
Easy Unpack
tuple
map
lambda
14
One-liner
Split Pairs
lambda
range
comprehension
len
re: [Quite documented]
First Word (simplified)
AttributeError
fullmatch
re.fullmatch
r-string
re
Operator
Multiply (Intro)
mul
operator.mul
operator
1
str.find
Between Markers (simplified)
find
str
1
Slicing and mult conditional
Correct Sentence
endswith
upper
Home
Regex boundaries
Three Words
r-string
bool
lambda
20
Indexing
Between Markers
find
None
inline-if
len
Set intersection
Pawn Brotherhood
set-comp
chr
ord
lambda
if-comprehension
re: [Quite documented]
Second Index
escape
re.escape
f-string
re.search
search
Batteries
Days Between
as
datetime.datetime
datetime
abs
2
Reinventing the wheel
Even the Last
lambda
inline-if
1
Simple re
Popular Words
escape
re.escape
IGNORECASE
re.IGNORECASE
findall
heapq
Bigger Price
heapq.nlargest
nlargest
heapq
get
lambda
1
Same as in simplified (mostly)
First Word
AttributeError
fullmatch
re.fullmatch
r-string
re
No counters
Non-unique Elements
dict-comp
count
if-comprehension
list-comp
comprehension
1
Simple re
Right to Left
join
comprehension
4
Electronic Station
Union - find
Can You Pass?
update
set-comp
map
set
lambda
2
2
Regex
Find Sequence
functools.reduce
reduce
functools
findall
re.findall
3
1
Translate-sort-reduce
Verify Anagrams
translate
ord
map
bool
lower
12
1
Made to look complex
Digits Multiplication
functools.reduce
reduce
functools
as
findall
Only brackets remain
Brackets
re.sub
sub
r-string
re
None
1
Naive
Brackets
functools.reduce
reduce
functools
findall
re.findall
Eval (downvote scapegoat)
Boolean Algebra
eval
format
9
Scientific Expedition
Folds and horses
Letter Queue
lambda
inline-if
len
2
4
Regexes all the way
Striped Words
findall
re.findall
r-string
format
re
3
14
Regex; one line
Secret Message
r-string
lambda
3
4
Nothing special
Remove Accents
combining
unicodedata.combining
normalize
unicodedata.normalize
unicodedata
4
1
Counter
The Most Wanted Letter
re.sub
sub
collections.Counter
Counter
dict
10
Readable
Call to Home
functools.reduce
reduce
functools
values
get
11
Rotate, map, filter
Cipher Map
functools.reduce
reduce
functools
zip
map
14
Zen!
I Love Python!
builtins.print
builtins
ImportError
eval
get
19
1
No re engine this time
Morse Clock
translate
zfill
format
ord
map
19
s///gx
Bird Language
r-string
Only str
The Hidden Word
ljust
splitlines
find
zip
replace
Variable arguments
Common Words
intersection
functools.reduce
reduce
functools
map
Set difference
Pangram
bool
set
not
lower
Simple re
YAML. Simple Dict
fullmatch
re.fullmatch
findall
re.findall
dict-comp
Self documenting
Absolute Sorting
abs
sorted
3
O'Reilly
(em)powering
Index Power
dict-comp
get
range
comprehension
len
2
7
Regex check paths
Xs and Os Referee
findall
re.findall
re
join
list-comp
3
8
MSB radix sort
Count Inversions
extend
values
map
min
max
4
2
Brute force :(
Cipher Crossword
setdefault
itertools.permutations
permutations
get
any
4
Defining inversions
Count Inversions
combinations
itertools.combinations
itertools
sum
comprehension
7
3
Hard to read :)
Determine the Order
chain
itertools.chain
union
update
copy
10
Powerset and generators
Loading Cargo
yield
functools.reduce
reduce
functools
format
11
Foldl
Flatten a List
type
lambda
inline-if
list
12
eval(s//g)
Flatten a List
eval
r-string
lambda
str
A little too complex
Median
sum
sorted
len
4
trying
Index Power
IndexError
except
try
2
Documented (itertools)
Frequency Sorting
itertools.repeat
repeat
from_iterable
itertools.from_iterable
groupby
Incinerator
Not Exactly ABCs
Army Units
class
getattr
hasattr
type
endswith
Mine
Summations
Moore Neighbourhood
max
sum
comprehension
2
1
Regex solution ;)
Disposable Teleports
functools.reduce
reduce
functools
findall
re.findall
3
2 ways :)
The Greatest Common Divisor
fractions.gcd
gcd
fractions
re.sub
sub
9
4
Recursion
Determinant
enumerate
lambda
inline-if
sum
list-comp
9
Simple enough
Achilles and the Tortoise
12
Logical
Binary Count
r-string
bin
lambda
len
Cheating, but no bin()
Binary Count
hex
functools.reduce
reduce
functools
dict-comp
max
Best Stock
max
lambda
Captain Obvious
Fizz Buzz
not
or
join
append
str
7
Seemed simpler...
Fizz Buzz
filter
zip
map
None
bool
Ice Base
Graph search
How to Find Friends
setdefault
update
add
dict
map
2
6
Folding
Oil Pie
Fraction
fractions.Fraction
fractions
functools.reduce
reduce
2
5
Iterative :(
Feed Pigeons
itertools.takewhile
takewhile
itertools.count
itertools
lambda
5
1
Making mountains of molehills
Counting Tiles
itertools.product
product
math.ceil
ceil
functools.reduce
8
Folds and composition
Roman Numerals
functools.reduce
reduce
functools
as
dict-comp
12
1
Regex
Monkey Typing
r-string
format
map
bool
sum
Simple fold
The Most Numbers
functools.reduce
reduce
functools
min
max
Alice In Wonderland
BFS
The Shortest Knight's Path
chain
itertools.chain
itertools.product
product
as
6
Simple BFS
Digits Doublets
set-comp
extend
dict-comp
zip
pop
7
3
Zipping
Transposed Matrix
zip
map
lambda
list
8
Functional
Multiplication Table
bin
map
lambda
inline-if
sum
GitHub
Inefficient
Painting Wall
itemgetter
operator.itemgetter
operator
set-comp
any
5
Determinants
Area of a Convex Polygon
abs
sum
range
comprehension
len
8
Libraries
The End of Other
itertools.permutations
permutations
functools.reduce
reduce
endswith
Lookahead assertion
The End of Other
itertools.permutations
permutations
match
re.match
functools.reduce
Simple BFS
Open Labyrinth
heappush
heapq.heappush
heappop
heapq.heappop
heapq
Dropbox
No assignments :)
Humpty Dumpty Form
cmath.log
cmath.sqrt
cmath.pi
cmath
log
3
Checkio needs better tests
URL Normalization
U
re.U
re.sub
sub
functools.reduce
3
1
Complex numbers
Place Queens
itertools.permutations
permutations
combinations
itertools.combinations
set-comp
4
Hmmm
Three Points Circle
eval
re.sub
sub
as
r-string
5
Simple
Speech Module
filter
dict-comp
None
bool
not
10
Hmmmm...
Hubspot Amulet
fractions.gcd
gcd
fractions
itertools.product
product
13
decimal
Friendly Number
ROUND_DOWN
decimal.ROUND_DOWN
Decimal
decimal.Decimal
decimal
13
Too long
Simple Hashlib
hashlib.sha1
hashlib.sha224
hashlib.sha256
hashlib.sha384
hashlib.sha512
15
Generators
Numbers Factory
all
min
not
lambda
inline-if
PyCon TW
re: [Creative- Although the process is documented, the regex is not...]
Sum Consecutives
finditer
re.finditer
eval
re.sub
sub
2
Unreadable regex chain
Digit Stack
eval
r-string
lambda
inline-if
join
3
5
Unobfuscated...
Building Visibility
fromkeys
itemgetter
operator.itemgetter
operator
update
4
Array addressing
Simple Areas
lambda
len
7
Linear system
How Much Gold
Fraction
fractions.Fraction
fractions
reverse
next
10
Almost functional :(
Calculate Islands
from_iterable
itertools.from_iterable
chain
itertools.chain
itertools.product
11
2
Stepwise update
Network Attack
update
any
set
not
while
Memoizing
Golden Pyramid
get
max
not
inline-if
list-comp
Simple Bubblesort
Robot Sort
format
not
join
while
False
3
Too long
House Password
functools.reduce
reduce
functools
re.search
search
2
Obvious solution
Sum Consecutives
groupby
itertools.groupby
itertools
None
lambda
Storage
I want recursive regex patterns...
Saw the Stick
functools.reduce
reduce
functools
lambda
inline-if
2
Repetitive
Exec Quine
format
lambda
2
1
Set coverage
The Rows of Cakes
random.sample
sample
complex
frozenset
random
4
Ulam spiral coordinate system
Square Spiral
math.floor
floor
math.sqrt
sqrt
math
6
No comment
Weak Point
zip
map
enumerate
min
lambda
11
Upper triangular transformation
Skew-symmetric Matrix
any
list-comp
range
comprehension
len
12
2
Downvote as needed:P
Restricted Prime
exec
globals
locals
chr
format
13
Regex primes ;)
Restricted Prime
exec
globals
locals
r-string
format
1
On-the-fly lambdas
Word Pattern
re.sub
sub
as
r-string
bin
HubSpot
Long division
Repeating Decimals
next
format
map
enumerate
set
2
3
Just another m//
Auto Painting
as
findall
re.findall
r-string
format
4
Fold
The Hamming Distance
functools.reduce
reduce
functools
format
zip
13
Obfuscation
Number Base
chain
itertools.chain
reversed
functools.reduce
reduce
1
S&M
Restricted Sum
eval
lambda
join
str
Unoriginal
Number Base
ValueError
except
try
int
Blizzard
Verbatim DP
Stair Steps
max
lambda
inline-if
False
True
3
2
Recursive :)
Sudoku Solver
values
dict-comp
pop
min
None
3
1
Just being lazy
Weekend Counter
datetime.timedelta
timedelta
yield
functools.reduce
reduce
4
Folds and short-circuiting binops
Min and Max
zip
map
lambda
or
inline-if
9
Stolen
Palindromic Palindrome
lambda
9
1
Twisted
Radiation Search
set-comp
dict-comp
pop
max
lambda
9
Linear dominion :P
Spaceship Landing Strip
pop
max
not
or
while
9
No comment
Safe Coasts
union
update
set-comp
map
min
10
Simple
The Angles of a Triangle
math.degrees
degrees
math.acos
acos
as
Rock
An arithmetic approach
Water Jars
extend
min
max
not
or
1
Libraries and comprehensions
Web Log Sessions
groupby
itertools.groupby
datetime.strptime
strptime
datetime.timedelta
3
Inefficient
CheckSum
isalnum
ord
map
enumerate
lambda
4
Complex nums again
Berserk Rook
complex
set-comp
find
min
max
4
9
Binary search
Super Root
not
inline-if
while
6
4
Shelter
Heuristic and backtracking
One line Drawing
dict-comp
get
any
remove
map
2
5
Fixpoints and folds
Pattern Recognition
eval
re.sub
sub
functools.reduce
reduce
3
Obfuscation (scary enough?)
Ghosts Age
itertools.takewhile
takewhile
itertools.count
math.log
log
17
Codeship
BFS (no heuristic)
The 88th Puzzle
pop
while
list-comp
comprehension
2
Heuristic (disprove it!)
The 88th Puzzle
pop
while
append
list-comp
comprehension
2
2
Simple BFS
8 Puzzle
re.subn
subn
heappush
heapq.heappush
heappop
2
Gen function coefficient
Probably Dice
operator.add
mul
operator.mul
Fraction
fractions.Fraction
5
1
Playing it safe :)
Minesweeper
next
functools.reduce
reduce
functools
as
5
Obfuscated but quite simple
Behind 2048
zip
map
enumerate
not
lambda
6
4
Simple
The Square Chest
itertools.starmap
starmap
set-comp
itertools
tuple
17
Hermit
Nothing to see here
The Good Radix
filter
ord
bool
max
lambda
5
Mainly lists
Mono Captcha
map
lambda
inline-if
join
if-comprehension
10
Randomly fails ;)
Colder-Warmer
random.choice
choice
math.hypot
hypot
random
11
1
Watchtower
Gift wrapping
Convex Hull
index
min
break
lambda
while
3
Peano (kind of)
Funny Addition
lambda
inline-if
6
2
Sets and filters
Number Guess
issubset
filter
dict-comp
map
pop
6
1
Not proud...
Numbered Triangles
itertools.permutations
permutations
itertools.product
product
as
6
Odds and (approximate) ends
Bag of Santa Claus
add
break
max
False
and
7
Hmmm... Randomness
Bulls and Cows
itertools.product
product
set-comp
as
findall
7
Simple
Rotate Hole
all
lambda
if-comprehension
list-comp
range