Chocolater profile - python coding challenges

Short

The Most Frequent

max

count

18

11

First

Replace First

typing.Iterable

Iterable

typing

list

if

Three cases

Nearest Value

index

min

abs

set

lambda

1

Lambda

Easy Unpack

lambda

2

First

Split Pairs

math.ceil

ceil

math

list-comp

range

First

Correct Sentence

islower

upper

str

if

First

Sun Angle

or

int

if

7

20

1

First

Split List

lambda

sorted

True

list

len

First

Morse Decoder

capitalize

join

split

comprehension

6

1

First

Three Words

isalpha

break

elif

split

else

4

1

First

Between Markers

find

in

else

str

len

2

First

Right to Left

replace

join

4

First

Pawn Brotherhood

index

join

in

elif

list

4

First

Even the Last

IndexError

pop

except

try

while

4

First

Date and Time Converter

re.split

r-string

re

split

int

First

Sort Array by Element Frequency

from_iterable

itertools.from_iterable

chain

itertools.chain

itertools

1

First

Second Index

find

None

inline-if

int

str

1

First

Popular Words

re.split

dict-comp

r-string

dict

re

First

Non-unique Elements

count

append

for

if

4

First

Bigger Price

remove

max

if-comprehension

list-comp

range

First

Days Between

date

datetime.date

datetime

abs

Neighbouring cells

Can You Pass?

while

in

and

len

for

3

1

Second

Ascending List

typing.Iterable

Iterable

bool

set

typing

7

First

Unix Match. Part 2

startswith

bool

not

or

join

Easy

Find Sequence

while

False

and

True

len

4

First

Brackets

math.ceil

ceil

math

pop

break

4

First

Surjection Strings

dict

bool

in

False

True

First

Verify Anagrams

all

replace

lower

count

False

4

First

Digits Multiplication

int

str

for

if

4

First

Ascending List

all

typing.Iterable

Iterable

bool

typing

Simple.

Boolean Algebra

or

and

else

if

First

Bird Language

IndexError

pop

except

try

print

4

First

Caps Lock

ascii_lowercase

string.ascii_lowercase

as

string

upper

6

First

Letter Queue

in

elif

for

if

3

One-liner

Conversion into CamelCase

title

join

split

comprehension

4

First

Conversion from CamelCase

re.split

r-string

isupper

re

lower

2

Not too hard

The Hidden Word

all

enumerate

replace

max

lower

Normal.

Cipher Map

sort

lower

lambda

print

elif

First

Pangram

upper

set

if-comprehension

in

list-comp

4

First

Absolute Sorting

abs

lambda

sorted

list

6

1

First

Time Converter (24h to 12h)

split

int

str

if

2

First

Follow Instructions

count

1

It works. Somehow...

Call to Home

pop

while

split

range

else

First

Secret Message

in

for

if

4

First

Morse Clock

zfill

format

replace

split

list

1

Easy

Common Words

remove

sort

count

join

while

2

Easy as pie.

Striped Words

upper

isalpha

break

isdigit

not

First

The Most Wanted Letter

isalpha

min

set

max

lower

1

First

How Deep

isinstance

max

comprehension

int

if

4

1

First

Median of Three

typing.Iterable

Iterable

typing

sorted

range

3

Fixed

How Deep

isinstance

max

comprehension

int

if

First

Reverse Every Ascending

from_iterable

itertools.from_iterable

chain

itertools.chain

itertools

First

Compress List

typing.Iterable

Iterable

typing

if-comprehension

list-comp

One

Frequency Sorting

count

sorted

True

First

Time Converter (12h to 24h)

in

split

int

str

if

First

Remove All After

index

typing.Iterable

Iterable

typing

in

First

Index Power

IndexError

except

try

int

4

That task is supposed to be elementary...

Count Inversions

range

len

for

if

Recursive way.

Flatten a List

type

else

int

for

if

Very simple.

Xs and Os Referee

elif

range

for

if

First

Median

math.floor

floor

math

sorted

else

First

Straight Fight

class

super

type

remove

min

10

3

1

Second

Voice TV Control

class

in

range

list

else

16

5

First

Every Person is Unique

class

while

elif

else

int

17

6

First

Microwave Ovens

class

zfill

pass

format

else

19

4

First

The Weapons

class

math.floor

floor

property

super

1

First

The Healers

class

super

type

while

False

2

1

First

The Vampires

class

super

while

False

and

3

1

First

Multicolored Lamp

class

6

1

First

The Warlords

class

math.floor

floor

property

super

Channels

Voice TV Control

class

in

range

list

else

2

First

Dialogues

class

re.sub

sub

r-string

format

2

First

The Defenders

class

super

while

False

and

3

1

First

Hacker Language

class

itertools.zip_longest

zip_longest

chain

itertools.chain

First

The Lancers

class

super

while

False

and

First

Text Editor

class

format

if

1

First

Geometry Figures

math.tan

tan

class

math.pi

pi

First

Party Invitations

class

format

remove

else

for

First

3 Chefs

class

str

1

I like it!

Building Base

class

str

2

First

The Warriors

class

while

False

True

if

1

#New_Paradigm

Friends

class

type

tuple

remove

set

First

Caesar Cipher (encryptor)

string.index

ascii_lowercase

string.ascii_lowercase

as

string

5

20

2

Easy peasy

Binary Count

bin

count

str

8

5

First

Chemical Analysis

re.split

yield

findall

re.findall

islower

10

Like Supply Line, but with sectors

Find Enemy

index

not

lambda

sorted

while

16

4

1

First

Caesar Cipher (decryptor)

string.index

ascii_lowercase

string.ascii_lowercase

as

string

17

4

First

Escape

not

or

elif

False

and

Recursive

Fast Train

functools.lru_cache

lru_cache

decorator

functools

tuple

First

Chess Knight

index

abs

set

sorted

if-comprehension

2

DFS

Domino Chain

functools.lru_cache

lru_cache

decorator

functools

tuple

Second

Can Balance

min

typing.Iterable

Iterable

typing

sum

3

Short

Bigger Together

itertools.permutations

permutations

itertools

min

max

Good algorithm - good program.

What Is Wrong With This Family?

while

elif

else

len

if

2

First

Can Balance

typing.Iterable

Iterable

typing

sum

range

Fudgest code I've ever made.

Currency Style

all

pop

isdigit

count

or

Basic Recursion

Determinant

enumerate

pop

elif

list-comp

comprehension

Simple cowsay - fixed

Cut Sentence

enumerate

break

elif

and

split

BFS

Disposable Teleports

all

any

not

or

while

First

Best Stock

itemgetter

operator.itemgetter

operator

items

max

3

Take that, Zeno!

Achilles and the Tortoise

First

Fizz Buzz

elif

else

str

if

4

Limited solution.

The Greatest Common Divisor

fractions.gcd

gcd

fractions

min

range

First

Moore Neighbourhood

len

if

Moving and comparing

Identify Block

any

None

set

not

while

2

1

First

Reverse Roman Numerals

continue

while

len

if

5

fractions

Oil Pie

Fraction

fractions.Fraction

fractions

abs

sum

First

Counting Tiles

math.hypot

hypot

math.ceil

ceil

filter

First

Morse Encoder

lower

join

list-comp

split

comprehension

1

First

Clock Angle

min

abs

split

int

if

First

Find Quotes

re.split

r-string

re

if-comprehension

list-comp

First

The Most Numbers

min

max

list-comp

comprehension

else

4

First

Roman Numerals

while

if

5

First

Feed Pigeons

while

else

if

1

First

Largest Rectangle in a Histogram

max

range

else

for

if

Generator

Long Repeat

except

try

max

if-comprehension

in

Easy af.

How to Find Friends

remove

in

split

range

list

Short

Monkey Typing

lower

if-comprehension

in

list-comp

comprehension

Second

The Fastest Horse

index

min

max

count

list-comp

1

70

1

First

Digits Doublets

pop

count

and

True

list-comp

9

6

Peaks and layers

Flood Area

startswith

endswith

all

any

index

17

1

First

Tree Walker

type

values

items

not

or

1

Second

Tree Walker

type

values

sum

in

list

First

Long Non Repeat

in

split

else

len

for

4

Second

Long Non Repeat

set

max

if-comprehension

list-comp

range

3

First

Zigzag Array

List

typing.List

typing

list-comp

range

2

First

Swap Nodes

range

len

for

First

When is Friday?

date

datetime.date

datetime

list-comp

split

1

First

IP Network: Route Summarization

ljust

startswith

zfill

all

bin

1

Short

The Fastest Horse

type

is

index

min

max

First

Middle Characters

int

len

Easy

Multiplication Table

bin

or

and

else

int

Short

Transposed Matrix

list-comp

range

comprehension

len

for

I don't really know how that works... But it does!

Power Supply

remove

break

count

in

and

4

First

Long Repeat Inside

max

if-comprehension

in

list-comp

range

13

7

First

Simplify Unix Path

filter

remove

pop

None

break

16

2

3

Generate Vertices

Searchlights

math.cos

cos

math.sin

sin

math.pi

18

Draw-O-Matic

Xs and Os Champion

index

count

print

and

range

Gcd

Evenly Spaced Trees

any

List

typing.List

min

break

2

Class and some bruteforce.

Open Labyrinth

class

not

while

elif

else

3

Second

Simplify Unix Path

remove

break

not

count

join

Union of sets.

Painting Wall

remove

enumerate

while

in

elif

1

First

Expand Intervals

from_iterable

itertools.from_iterable

chain

itertools.chain

itertools

4

First

Merge Intervals

pop

while

elif

and

else

1

First

The Cheapest Flight

tuple

remove

List

typing.List

index

Short

Cookies

join

split

for

if

1

First

The Highest Building

index

in

range

len

for

1

First

Create Intervals

tuple

or

sorted

range

len

Second

Power Supply

from_iterable

itertools.from_iterable

copy.deepcopy

deepcopy

chain

Heron's formula

Area of a Convex Polygon

math.sqrt

sqrt

math

pop

while

1

First

The Most Frequent Weekdays

calendar.isleap

isleap

calendar

date

datetime.date

First

The End of Other

endswith

any

if-comprehension

range

list

Eval

Simple Hashlib

eval

4

21

DFS

On the same path

typing.Union

Union

Tuple

typing.Tuple

List

First

The Longest Palindromic

max

else

len

if

10

Bruteforce

Hubspot Amulet

and

range

for

if

re

Worth of Words

as

findall

re.findall

r-string

find

My Mona Lisa

Friendly Number

ljust

round

IndexError

abs

except

First

Humpty Dumpty Form

math.log

log

math.asin

asin

math.pi

First

Numbers Factory

while

and

else

if

First

Speech Module

elif

if

1

Nice and speedy

Double Substring

except

try

max

count

if-comprehension

4

First

Ryerson Letter Grade

in

range

int

str

for

Sort by y, sort by x

Building Visibility

sort

enumerate

None

break

lambda

First

Digit Stack

pop

in

elif

and

int

3

Finally!

Network Attack

break

or

print

while

elif

1

Rays and triangle

How Much Gold

Fraction

fractions.Fraction

fractions

all

or

1

Two indexes

Sum Consecutives

break

while

len

if

NIce

Double Substring

max

count

if-comprehension

and

list-comp

1

12

Surprisingly easy

Golden Pyramid

max

range

list

comprehension

len

1

Not so hard.

Calculate Islands

enumerate

pop

break

max

not

Clear.

Simple Areas

math.pi

pi

math.sqrt

sqrt

round

First

House Password

islower

isupper

isdigit

in

False

2

First

English to Braille Translator

zfill

ascii_lowercase

string.ascii_lowercase

string

bin

Large

Playfair Cipher

insert

IndexError

isalpha

pop

index

That was... interesting.

Restricted Prime

while

False

True

int

if

Second

Restricted Prime

while

False

True

int

if

First

Group Equal consecutive

not

else

for

if

1

So easy

Weak Point

index

min

sum

list-comp

range

1

First

Word Pattern

zfill

format

isalpha

False

True

Piece of cake

Moria Doors

re.sub

sub

enumerate

re

set

Easy.

Saw the Stick

while

int

if

Simple and clear

Skew-symmetric Matrix

False

True

range

len

for

First

Supply Line

difference_update

discard

difference

itertools.product

product

2

10

1

4 sides

Square Board

Tuple

typing.Tuple

typing

int

if

First

Repeating Decimals

index

while

in

str

if

First

The Hamming Distance

zfill

format

zip

sum

comprehension

8

First

Auto Painting

all

break

not

count

while

First

Number Base

ValueError

except

try

int

4

Recursive functions in a nutshell.

Restricted Sum

else

len

if

Neighbours

Safe Coasts

tuple

replace

while

in

and

9

5

More readable but a bit slower version.

Safe Coasts

tuple

continue

abs

replace

except

1

First

The First Working Day

datetime.timedelta

timedelta

date

datetime.date

datetime

1

First

Sudoku Solver

discard

copy.deepcopy

deepcopy

copy

keys

Count all squares

Rectangles Union

from_iterable

itertools.from_iterable

chain

itertools.chain

Tuple

A faster version

Safe Coasts

tuple

continue

abs

replace

except

First

Unlucky Days

date

datetime.date

datetime

range

for

1

2

First

The Angles of a Triangle

math.degrees

degrees

math.acos

acos

float

5

Neighbouring details

Radiation Search

any

max

not

while

in

Recursive

Stair Steps

max

else

len

if

1

regexp

Stressful Subject

re.compile

compile

match

re.match

re

date and monthrange

Weekend Counter

calendar.monthrange

monthrange

calendar

break

replace

Arithmetic average.

Super Root

while

else

if

11

7

1

Remove waters, Group the rest

Hexagonal Islands

typing.Set

Set

chain

itertools.chain

any

19

Really?

Parity Bit Generator

chr

bin

pop

count

or

1

3

Hard

Web Log Sessions

itemgetter

operator.itemgetter

operator

sort

enumerate

Game of life.

Life Counter

any

pop

break

not

or

Checking directions

Berserk Rook

index

break

set

not

in

Really?2.0

Parity Bit Generator

chr

format

pop

count

join

First

CheckSum

ord

isalpha

isdigit

or

sum

lights and river

The Lantern Festival

set

not

or

while

if-comprehension

6

3

1

Relative Axial Coordinates

Fortress Cannons

from_iterable

itertools.from_iterable

chain

itertools.chain

itertools.product

8

2

Another one-liner

The Nearest Square Number

math.sqrt

sqrt

round

math

10

9

Interesting task.

AMSCO Cipher

pop

index

or

join

while

PEP version.

AMSCO Cipher

pop

index

not

or

join

Long

One line Drawing

combinations_with_replacement

itertools.combinations_with_replacement

set-comp

as

itertools

Short

Seven Segment

islower

all

upper

isupper

lower

2

A little too clumsy.

ADFGVX Cipher

sort

enumerate

isalpha

pop

isdigit

First

The Nearest Square Number

math.sqrt

sqrt

round

math

Image recognition basics

Pattern Recognition

all

range

comprehension

len

for

Groupes and dames V2.0

The Territory of Go

all

any

remove

while

in

Groups and dames

Eaten Go Stones

all

any

remove

while

in

lru_cache saves the day yet again.

Probably Dice

functools.lru_cache

lru_cache

decorator

functools

None

5

1

Fast

Pearls in the Box

round

count

sum

list-comp

range

4

Big

Behind 2048

all

any

continue

break

not

3 matrices

The Square Chest

all

tuple

List

typing.List

set

3

Check all

Count Consecutive Summers

any

if-comprehension

list-comp

range

comprehension

6

12

1

Second

Count Consecutive Summers

any

if-comprehension

list-comp

range

comprehension

7

12

1

First

Fractions Addition

Fraction

fractions.Fraction

fractions

elif

int

1

Joining tags

Keywords Finder

startswith

enumerate

lower

sorted

join

First

The Good Radix

ascii_uppercase

string.ascii_uppercase

string

isalpha

index

1

Done.

Vigenere Cipher

index

count

while

range

len

15

3

lru_cache is magic!

DNA Common Sequence

functools.lru_cache

lru_cache

decorator

functools

None

First

Compare Functions

is

None

except

try

and

1

Two functions

Wall Keeper

any

remove

break

not

while

Pattern recognition

Bacteria Colonies

continue

IndexError

min

abs

except

How is that "simple" ?

Rotate Hole

pop

range

len

for

if

4

Permutations

Numbered Triangles

itertools.permutations

permutations

itertools

remove

pop

1

First

Funny Addition

while

DFS

Graphical Key

update

copy

set

max

sum

7

4

Eval

Safe Code

eval

replace

if-comprehension

split

range

11

6

3

Fixed

Safe Code

eval

re.search

search

r-string

any

19

4

1

First

Compass, Map and Spyglass

dict

enumerate

isalpha

abs

max

6

2

Axes

The Tower

combinations

itertools.combinations

reversed

yield

any

Simple

Hypercube

abs

bool

lower

if-comprehension

and

1

Vectors

Wild Dogs

math.sqrt

sqrt

round

math

enumerate

4

1

Get, standartise, search

The Tower

chain

itertools.chain

itertools

tuple

enumerate

Groups and dames V3.0

The Buttons

any

remove

pop

sum

sorted

Turning

Keys and Locks

all

pop

print

join

while

1

Cards and hands

Card Game

remove

sort

break

or

if-comprehension

First

Ground for the House

any

break

while

split

range

4

Slow

The Stones

update

all

index

min

break

Worth

Treasures

remove

break

not

lambda

sum

2

First

The Secret Room

index

lambda

sorted

elif

and

1

Short

The Stone Wall

min

lambda

if-comprehension

list-comp

split

First

The Ship Teams

sorted

and

else

for

if

First

Most Wanted Letter

ascii_lowercase

string.ascii_lowercase

as

string

max

19

2