24
Awesome Team
Arnaldo Mandel
Last seen 4 hours ago
Member for 3 years, 2 months, 10 days
Difficulty Advanced
Initiation
Plain
Split Pairs
34
1
0
Almost brute force
Between Markers
39
10
0
Basic recursion
Flatten a List (iterator version)
42
0
0
Hashall
All the Same
134
7
0
Index and try
Goes Right After
152
3
1
Faster
All the Same
326
0
0
Convert to ints
Pawn Brotherhood
378
5
1
Recursion
Flatten a List
845
0
0
Zip
Sort Array by Element Frequency
902
0
0
Just hash them
Non-unique Elements
1634
2
1
Home
Pairwise twice
Changing direction
1
19
2
Some brute force, polylog time
Ugly Numbers
3
5
2
Long one liner
Atbash Cipher
7
0
0
Sort first
Missing Number
9
5
0
First
Xs and Os Referee
67
12
1
Just split
Split List
227
0
0
Simple
Conversion into CamelCase
263
2
0
Some cases
Cut Sentence
290
0
1
Walrus
Sun Angle
343
3
0
Use re
Beginning Zeros
368
2
1
Silly
Time Converter (24h to 12h)
372
2
1
Electronic Station
Heap
The Final Stone
3
2
2
Direct solution
Acceptable Password II
23
9
2
Direct solution
Acceptable Password IV
27
7
4
Side proportions
Similar Triangles
34
7
4
No tricks
Surjection Strings
48
7
1
Using eval
Boolean Algebra
50
12
0
Convert to regex
Unix Match. Part 1
85
3
0
Simple
Conversion from CamelCase
96
5
1
Direct solution
Acceptable Password V
109
3
1
Convert to regexp
Unix Match. Part 2
152
0
3
Just sort
Sort by Extension
217
1
1
math.prod does the work
Digits Multiplication
253
6
1
Direct solution
Acceptable Password VI
436
0
2
Counter
Verify Anagrams
1857
0
0
Scientific Expedition
BFS
Water Sort Game
2
0
0
Re
Combining Celebrity Names
6
3
2
Eval
Aggregate by Operation
42
0
0
One liner
Common Words
44
16
0
Sets
Pangram
47
16
1
Direct
Sum by Type
99
4
1
Enumerate
Caps Lock
132
2
1
Counter
Follow Instructions
226
2
0
Transpose
The Hidden Word
490
0
0
Trivial
Absolute Sorting
4076
0
3
O'Reilly
Direct
All Roads Lead to Rome!
2
0
0
Recursion, f'course
Cut Into Squares
4
0
0
Iterative
Cut Into Squares
5
0
0
No tricks
Reverse Every Ascending
6
3
0
Casting
Majority
7
7
0
One liner
Lightbulb Intro
36
0
0
Recursion
How Deep
50
0
0
Trivial
Chunk
59
0
0
Use former
Lightbulb Start Watching
66
2
0
Adjust parity
Lightbulb End Watching
71
0
1
Recursion
The Flat Dictionary
72
2
0
Overkill
Median of Three
87
3
0
Zip
Compress List
94
0
0
Side effect
Replace Last
124
0
0
Tricky ordering
Frequency Sorting
125
0
0
One at a time
Determine the Order
161
0
0
Basic
Remove All After
206
0
0
Could do in linear time, who cares?
Median
312
1
0
Sort and merge
Sort Except Zero
440
0
0
Mine
Linear time
Garland
1
18
1
Logical
Sum of Digits
2
27
5
Groupby
Count And Say
2
5
2
Greedy
Garland
3
8
0
Just integers
Close Enough
3
0
0
Casting out nines
Sum of Digits
5
15
2
except OverflowError
e+pi
5
0
1
Simple search
Tricky String
6
3
0
Brute force
Champernowne Word
6
1
0
First
Matrix-2-String
6
0
0
Trivial
Correct Capital
7
9
1
Generalized, more e's and pi's
e+pi
7
0
2
Slightly simplified
Tricky String
8
3
0
Finally correct
e+pi
9
0
4
Using log
Checking Perfect Power
9
0
0
Ord
String-2-Matrix
9
0
0
Pure
Matrix-2-String
12
0
0
Collect and sort
Sort Sorted Groups
16
0
0
No tricks
Convert and Aggregate
17
4
0
One liner
Reverse Integer
19
4
2
Three liner
The Hollow Diamond
20
0
0
Casting out nines II
Sum of Digits
51
0
3
Basic
Bigger Together
140
0
0
Recursive
Binary Count
273
5
0
First
Achilles and the Tortoise
478
0
0
Direct
Best Stock
624
1
0
Ice Base
One liner
Ordinary Cardinals
1
13
0
Use a stack
Adjacent Letters
1
9
1
Findall
Long Pressed
3
0
0
Direct
The Brick Factory Problem
3
0
0
Essentially one-liner
Frogs Collision
5
0
0
Simpler
Ordinary Cardinals
6
3
0
Accumulate
Colorful Disks
8
0
0
Pairwise
Colorful Disks
9
0
0
Just so
Count Divisibles in Range
10
0
0
Dict dispatch
Postfix Evaluation
11
0
0
Linear on the size of the rectangle
Matrix "Hatching"
20
0
0
Some math
Feed Pigeons
27
2
1
Groupby
Long Repeat
63
8
1
Simple
Long Repeat
82
7
1
Trivial
The Most Numbers
282
5
0
One liner
Find Quotes
414
0
0
Alice In Wonderland
Recursive
Backspace Apply
1
1
0
Cached recursion (new)
Count Domino Tilings
2
1
0
From corners
Bishop vs Aliens
2
1
0
Kesteleyn
Count Domino Tilings
3
0
1
Recursive
The Cookie Monster
3
0
0
By layers
Ulam-Warburton Automaton Hex
9
3
3
Just count
When "k" is Enough!
11
3
2
Using formula
Ulam–Warburton Automaton
12
2
1
First
Nearest Value
17
3
0
Brute force
Ulam–Warburton Automaton
17
0
0
First
Bigger Price
21
13
0
Tail recursion off
Backspace Apply
28
0
0
First
Backward Each Word
32
1
0
Simple
Duplicate Zeros
47
0
0
Trivial
Easy Unpack
56
10
1
BFS
The Shortest Knight's Path
148
0
0
Count and sort
The Most Wanted Letter
194
6
2
Lazy recursion
Middle Characters
292
0
4
Using guards
Words Order
542
0
0
Pairwise
Ascending List
564
0
1
Basic
Correct Sentence
1077
0
0
First
First Word
1483
0
1
As suggested
Days Between
2351
0
0
Counter
The Most Wanted Letter
2822
0
1
GitHub
Following specs piecemeal
Simplify Unix Path
4
5
0
Simple
Evenly Spaced Trees
16
5
1
Reversed
Common Tail
23
0
1
Just works
Merge Intervals (iterator version)
26
0
6
Chain ranges
Expand Intervals
27
6
1
Takewhile
Common Tail
30
0
2
re+walrus
Long Repeat Inside
47
3
1
Transpose and sum
The Highest Building
48
0
0
New re+walrus
Long Repeat Inside
62
2
4
No tricks
Merge Intervals
99
0
0
No tricks
Create Intervals
214
0
0
First
Solution for Anything
333
0
0
Sort reversed
The End of Other
1133
0
0
Dropbox
Direct
Collatz Ztalloc
2
1
0
Squeezing
Revorse the vewels
3
0
1
Basic recursion
On the same path
3
0
0
Recursive
Checkers Capture
5
0
0
Simple
Interesting, intersecting
9
2
0
Direct
Exploring Wythoff Array
12
0
0
More pythonic
Revorse the vewels
12
0
0
Recursive
Count Morse
14
3
1
Forgiveness
Switch Keys to Values
20
2
2
Dot product
Fibonacci Spiral's End
20
0
0
Regex
Is String a Number? (Part II)
24
0
0
FSM
Reveal the Number
24
0
0
First
Is String a Number?
28
0
0
Line by line
Fibonacci Poem
29
0
0
Inverted list
Switch Keys to Values
30
0
0
Second, simplified
Interesting, intersecting
34
0
0
Lazy
Place Queens
65
0
0
Hash and count
Popular Words
149
5
0
First
The Longest Palindromic
154
3
1
Add up
Count Digits
285
0
0
Direct
Simple Hashlib
326
0
0
First
Max Digit
348
0
0
First
Sum Numbers
437
0
0
Simple
Numbers Factory
645
0
0
Fizz buzz
Speech Module
1204
0
0
First
Three Words
4743
0
0
Storage
Trivial
Latest ISO datetime
39
0
1
HubSpot
Trivial
Is Even
9
5
1
Direct
Non Empty Lines
13
8
0
Simple
Team Play
35
0
0
Direct solution
All Upper II
63
6
0
Indexing
Fizz Buzz
389
4
1
Trivial
Right to Left
3459
0
0
First
Even the Last
6135
0
0
Blizzard
No frills
Move Zeros
13
4
0
Recursive
Knapsack Problem
13
0
0
Recursive
Sum of Distinct Cubes
16
0
0
Quick
Stair Steps
21
0
0
First
Unlucky Days
425
0
0
Rock
Traditional
Replace with Biggest
3
0
0
Straightforward FSM
Rolling 🎲!
4
8
1
Keep state
Rolling 🎲!
12
3
0
Better state
Rolling 🎲!
14
2
1
Stupid
Replace with Biggest
27
0
0
Linear
Replace with Biggest
30
0
0
Codeship
Sylvester's Theorem
The Centrifuge Problem
3
0
0
Hermit
Strip and join
Integer Palindrome
5
6
1
More general
Integer Palindrome
22
2
1
Just numbers
Integer Palindrome
40
0
0
Watchtower
Recursive
Exploring Calkin-Wilf Tree
3
0
1
Iterative
Exploring Calkin-Wilf Tree
4
0
1
Heap
Exploring Calkin-Wilf Tree
6
0
1
Not On Map
Looping over the list
Aggregate and Count
22
0
2
What's the point?
Length of the String
137
0
0
