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Paul George
Last seen 12 days ago
Member for 11 years, 14 days
Difficulty Normal
Missions (162) / Solutions (165)
Best solutions / Newest solutions
Initiation
Short
All the Same
set
lambda
len
9
1
Home
One-liner
Days Between
as
datetime.datetime
datetime
abs
lambda
One-liner
Right to Left
replace
lambda
join
Staright-forward
Three Words
isdigit
False
True
split
else
One-liner
Pawn Brotherhood
repr
chr
ord
lambda
or
First
Non-unique Elements
count
for
if
2
First
Even the Last
enumerate
lambda
inline-if
sum
if-comprehension
Electronic Station
Brute force
Remove Brackets
values
pop
while
in
elif
2
One-liner
Unix Match. Part 1
replace
bool
lambda
16
Winding number
Inside Block
abs
True
range
len
for
First
Can You Pass?
pop
set
while
False
and
One-liner
Verify Anagrams
tuple
replace
set
lower
lambda
One-liner
Digits Multiplication
repr
functools.reduce
reduce
functools
map
Straight-forward
Boolean Algebra
not
or
if
Recursive (not optimized)
Mathematically Lucky Tickets
is
not
inline-if
False
and
Not especially proud, but it works
Mathematically Lucky Tickets
is
not
inline-if
False
and
13
Bruteforce
Find Sequence
False
True
range
else
len
With a stack
Brackets
pop
index
in
elif
False
Scientific Expedition
One-liner
Time Converter (24h to 12h)
format
lambda
int
8
Short
Conversion into CamelCase
capitalize
map
lambda
join
split
19
Straight forward
Cipher Map
zip
enumerate
join
if-comprehension
range
1
izip_longest
The Hidden Word
itertools.zip_longest
zip_longest
itertools
find
enumerate
First
Remove Accents
ord
lambda
inline-if
and
First
Call to Home
math.ceil
ceil
dict-comp
items
math
One-liner
Striped Words
lambda
len
First
Bird Language
inline-if
while
in
First
Letter Queue
inline-if
for
One-liner
Absolute Sorting
abs
lambda
sorted
One-liner shorter
Common Words
set
lambda
sorted
join
split
One-liner
Common Words
set-comp
lambda
sorted
join
if-comprehension
One-liner
Secret Message
re.sub
sub
re
lambda
Short
Pangram
set
lower
lambda
First
The Most Wanted Letter
collections.Counter
Counter
items
collections
ord
One-liner
Morse Clock
zfill
bin
enumerate
replace
lambda
O'Reilly
First
Time Converter (12h to 24h)
re.split
format
re
in
elif
One-liner
Count Inversions
index
min
lambda
inline-if
One-liner
Index Power
lambda
inline-if
len
one-liner
Flatten a List
isinstance
lambda
inline-if
int
First
Xs and Os Referee
set
not
inline-if
False
and
Second
Cipher Crossword
copy
enumerate
break
inline-if
in
16
Recursive
Cipher Crossword
copy.deepcopy
deepcopy
copy
enumerate
break
15
First
Loading Cargo
zfill
bin
min
abs
not
Get max and remove it
Determine the Order
filter
index
None
replace
not
One dirty line...
Median
math.floor
floor
math
sum
sorted
Incinerator
First
Friends
class
functools.reduce
reduce
functools
remove
12
First
Building Base
class
str
Mine
One-liner
Caesar Cipher (encryptor)
chr
ord
lambda
join
list-comp
1
Recursive
Color Map
set-comp
map
enumerate
set
max
4
2
One-liner (3.3)
Achilles and the Tortoise
lambda
15
One-liner
Achilles and the Tortoise
lambda
14
One-liner
Binary Count
bin
lambda
count
1
Golf
Moore Neighbourhood
lambda
sum
if-comprehension
range
list
11
1
First
Fizz Buzz
not
lambda
inline-if
and
str
Recursive (back to school)
Determinant
copy.deepcopy
deepcopy
copy
enumerate
pop
Short
Disposable Teleports
replace
set
not
inline-if
if-comprehension
2
4
Ice Base
First
Identify Block
tuple
zip
map
min
None
Recursive
Long Repeat
max
if
First
Clock Angle
round
map
abs
split
list
One-liner
The Most Numbers
min
max
lambda
inline-if
One-liner
Monkey Typing
lower
lambda
sum
in
comprehension
First
Feed Pigeons
max
while
Explore
How to Find Friends
pop
set
while
False
and
6
Recursive, no if
Roman Numerals
inline-if
int
str
len
First
Counting Tiles
math.ceil
ceil
math
elif
range
Alice In Wonderland
One-liner
Zigzag Array
lambda
list-comp
range
list
comprehension
8
One-liner
Multiplication Table
bin
enumerate
lambda
sum
comprehension
BFS
Digits Doublets
repr
zip
sum
while
if-comprehension
Iterative one-liner
Transposed Matrix
list-comp
range
comprehension
len
Explore tree
The Shortest Knight's Path
index
while
and
int
for
GitHub
One-liner
Cookies
strip
dict-comp
lambda
list-comp
split
14
frozenset
Paper Dice
frozenset
set-comp
values
dict-comp
tuple
2
Commented
Shooting Range
abs
inline-if
and
int
if
max depth minmax
Xs and Os Champion
zip
map
enumerate
max
lambda
14
One-liner 2
The End of Other
endswith
any
lambda
comprehension
One-liner
The End of Other
any
find
lambda
comprehension
First
Area of a Convex Polygon
abs
len
if
First
Open Labyrinth
class
values
keys
continue
or
Dropbox
DFS
Place Queens
set-comp
find
abs
set
lambda
First
Humpty Dumpty Form
min
max
inline-if
Second
Simple Hashlib
eval
lambda
17
One-liner
Simple Hashlib
eval
lambda
6
One-liner
Numbers Factory
functools.reduce
reduce
functools
lambda
if-comprehension
9
First 4 digit prime sequence
The Best Number Ever
or
print
while
False
and
First
Three Points Circle
math.cos
cos
math.asin
asin
math.sqrt
First
Speech Module
strip
and
int
str
if
PyCon TW
One-liner
Digit Stack
not
lambda
inline-if
int
12
1
Floyd-Warshall
Express Delivery
collections.defaultdict
defaultdict
float
collections
enumerate
Recursive
Digit Stack
not
inline-if
int
if
9
Lambdas
Simple Areas
math.pi
pi
math.sqrt
sqrt
math
8
Ugly
Robot Sort
repr
index
min
join
while
One-liner
How Much Gold
items
lambda
sum
in
comprehension
3
1
One-liner
Golden Pyramid
max
lambda
inline-if
list-comp
range
4
Go to the closest unknown point if no solution
Dark Labyrinth
next
items
enumerate
not
inline-if
6
First
Calculate Islands
add
remove
sort
while
if-comprehension
First
House Password
islower
isupper
isdigit
False
and
Storage
47 moves history
Forgetful Prisoner
ljust
zfill
float
items
bin
5
O(1) do the maths
Hexagon Spiral
map
abs
max
sum
list
2
1
count equations
The Rows of Cakes
combinations
itertools.combinations
collections.Counter
Counter
items
O(1)
Square Spiral
pow
abs
int
7
Simple
English to Braille Translator
zfill
math.ceil
ceil
update
dict-comp
First
Saw the Stick
math.sqrt
sqrt
math
while
range
1
l != 1
Restricted Prime
yield
chr
float
any
ord
17
Dot product
Earth Distances
findall
re.findall
float
re
sum
1
One-liner
Word Pattern
repr
zfill
bin
isalpha
lambda
Hubert Farnsworth Algorithm
Mind Switcher
popitem
items
break
inline-if
sum
Straightforward
Moria Doors
strip
isalpha
min
set
max
Amachua shorter 2
Weak Point
zip
map
index
min
lambda
1
Amachua shorter
Weak Point
zip
index
min
lambda
sum
Short
Weak Point
zip
enumerate
min
lambda
sum
Dijkstra
Digging a Canal
float
enumerate
None
not
while
18
Iterative
Skew-symmetric Matrix
enumerate
False
True
for
if
HubSpot
Steak Stack
Auto Painting
rindex
map
inline-if
join
while
First
Number Base
except
try
int
One-liner
The Hamming Distance
zfill
bin
zip
lambda
sum
First
Restricted Sum
inline-if
Blizzard
One-liner
Rectangles Union
set
lambda
range
comprehension
len
4
1
Quotes
Palindromic Palindrome
lambda
11
1
Bruteforce
Sudoku Solver
copy.deepcopy
deepcopy
set-comp
copy
zip
4
Flood
Safe Coasts
set-comp
enumerate
pop
break
replace
Simple
Min and Max
gt
operator.gt
lt
operator.lt
operator
2
One-liner
Stair Steps
max
lambda
inline-if
One-liner
Weekend Counter
lambda
sum
in
list-comp
range
Second
The Angles of a Triangle
math.degrees
degrees
math.acos
acos
round
First
The Angles of a Triangle
math.degrees
degrees
math.acos
acos
round
3
Spread, with an optimization
Radiation Search
pop
while
and
append
list-comp
Bruteforce...
Spaceship Landing Strip
continue
max
and
range
len
Rock
First
Super Root
or
while
and
if
Sets
Life Counter
collections.defaultdict
defaultdict
set-comp
add
items
4
DFS with heuristic
Crossword Solver
copy.deepcopy
deepcopy
copy
all
tuple
11
BFS
Water Jars
float
continue
min
in
int
9
First
CheckSum
isalnum
reversed
ord
enumerate
isalpha
14
Shelter
Follow border
The Lantern Festival
repr
add
map
enumerate
pop
Straight-forward
Pattern Recognition
all
enumerate
range
comprehension
len
Eulerian algo
One line Drawing
functools.reduce
reduce
functools
tuple
index
Codeship
Explore
Eaten Go Stones
set-comp
remove
enumerate
pop
not
5
recursion, lambdas
Pearls in the Box
lambda
count
inline-if
and
len
12
First
Texas Referee
issubset
collections.defaultdict
defaultdict
yield
any
9
Second
Snake Lite
next
tuple
enumerate
set
not
12
1
Obfuscated
Probably Dice
math.factorial
factorial
mul
operator.mul
operator
8
1
Straightforward
Behind 2048
zip
map
not
lambda
inline-if
Corrected
Minesweeper
enumerate
elif
False
and
True
3
1
Naive
Minesweeper
enumerate
print
elif
False
and
9
A*
Snake Lite
class
values
keys
continue
index
18
A* implementation
8 Puzzle
class
copy.deepcopy
deepcopy
copy
values
2
27
Test all combinations of squares
The Square Chest
continue
max
not
False
and
Hermit
One-liner (Bretschneider + Al-Kashi)
Strawberry Fields
round
lambda
2
Fraction class
Fractions Addition
itertools.starmap
starmap
Fraction
fractions.Fraction
fractions
Explore
Network Loops
functools.reduce
reduce
functools
dict-comp
pop
Two-liner
Mono Captcha
lambda
sum
if-comprehension
range
comprehension
14
Class
Simplification
repr
class
itertools.zip_longest
zip_longest
eval
5
Short and Brute
Break Rings
union
combinations
itertools.combinations
functools.reduce
reduce
7
2
First
Colder-Warmer
min
max
or
inline-if
range
6
Short
The Good Radix
pass
except
try
not
range
Triangulation
Ore In The Desert
set
inline-if
print
and
list-comp
Ugly brute force
Anagrams By Stacks
while
elif
split
for
if
13
Watchtower
Short and basic
Bulls and Cows
repr
rjust
set-comp
zip
map
8
One-liner
Rotate Hole
all
lambda
if-comprehension
list-comp
range
19
4 lines
Vigenere Cipher
chr
all
ord
zip
enumerate
10
First
Numbered Triangles
itertools.permutations
permutations
itertools
enumerate
max
1
Straightforward
Number Guess
remove
pop
set
range
list
2
1
Brute + Heuristic
Magic Square
copy.deepcopy
deepcopy
copy
remove
enumerate
11
Strange calculus
Funny Addition
math.sqrt
sqrt
math
range
int
Angle check solution
Convex Hull
round
index
or
print
while