tigerhu3180 profile - python coding challenges

First

Between Markers (simplified)

find

str

3

35

1

First1

All the Same

Any

typing.Any

List

typing.List

bool

7

30

1

First

First Word (simplified)

split

str

8

First

End Zeros

break

int

str

for

if

6

First

All Upper I

upper

bool

str

6

First

The Most Frequent

count

and

for

if

3

First

Backward String

str

6

First

Multiply (Intro)

5

First

Correct Sentence

upper

str

if

3

First

Remove All Before

index

typing.Iterable

Iterable

typing

in

2

First

Acceptable Password I

bool

str

len

1

First

Easy Unpack

else

len

if

2

First

Nearest Value

min

abs

set

lambda

list-comp

First

Number Length

int

str

len

1

First

Split Pairs

inline-if

list-comp

range

comprehension

else

First

Is Even

bool

not

int

First

Beginning Zeros

int

str

len

if

First

Replace First

typing.Iterable

Iterable

typing

list

First

Max Digit

max

list

int

str

First

Sort Array by Element Frequency

index

lambda

count

sorted

9

First

Days Between

date

datetime.date

datetime

abs

10

"Sun angle"

Sun Angle

inline-if

int

3

1

First

Between Markers

strip

find

elif

and

else

3

First

Date and Time Converter

re.split

r-string

format

re

inline-if

"Morse Decoder"

Morse Decoder

capitalize

join

list-comp

split

comprehension

First

Second Index

Exception

index

None

except

try

1

First

Bigger Price

pop

max

if-comprehension

append

list-comp

1

First

Pawn Brotherhood

chr

ord

break

in

list

2

"Popular Words" version2

Popular Words

update

replace

lower

split

for

First1

Even the Last

inline-if

sum

len

2

First

First Word

re.split

r-string

re

if-comprehension

list-comp

2

First

Right to Left

replace

join

1

First

Three Words

isalpha

False

True

split

else

First

Even the Last

math.ceil

ceil

math

inline-if

sum

First

Non-unique Elements

count

or

in

append

for

1

First

Inside Block

round

min

None

max

count

"Unix Match. Part 1" version2

Unix Match. Part 1

re.compile

compile

r-string

format

re

1

"Unix Match. Part 1"

Unix Match. Part 1

escape

re.escape

re.compile

compile

r-string

1

First

Find Sequence

Exception

pass

except

try

set

2

First

Can You Pass?

pop

set

lambda

while

if-comprehension

1

"Brackets"

Brackets

values

keys

pop

or

inline-if

5

First

Boolean Algebra

elif

and

if

3

2

First

Surjection Strings

combinations

itertools.combinations

all

itertools

zip

First

Ascending List

typing.Iterable

Iterable

bool

set

typing

1

First

Verify Anagrams

all

isalpha

set

lower

count

2

First

Digits Multiplication

if-comprehension

list-comp

comprehension

int

str

2

First

Common Words

sorted

join

if-comprehension

in

list-comp

17

First

Morse Clock

zfill

format

bin

enumerate

replace

7

2

"Call to Home"

Call to Home

math.ceil

ceil

values

keys

math

2

1

YAML. More Types

strip

dict

upper

continue

None

First

Caps Lock

upper

continue

inline-if

False

True

1

"Remove Accents"

Remove Accents

normalize

unicodedata.normalize

unicodedata

chr

all

2

First

Cipher Map

sorted

join

if-comprehension

list-comp

range

2

First

Pangram

all

upper

or

in

list-comp

5

2

First

Striped Words

re.split

upper

continue

re

break

3

"Conversion into CamelCase"

Conversion into CamelCase

upper

join

list-comp

split

comprehension

2

First

Follow Instructions

count

1

YAML. Simple Dict

strip

dict

continue

isdigit

not

"Bird Language"

Bird Language

inline-if

while

in

else

if

4

"Time Converter (24h to 12h)"

Time Converter (24h to 12h)

inline-if

elif

int

str

if

2

First

I Love Python!

4

1

"Conversion from CamelCase"

Conversion from CamelCase

upper

None

lower

join

if-comprehension

First

The Hidden Word

splitlines

find

zip

enumerate

max

First

Letter Queue

join

in

append

split

else

First

Absolute Sorting

abs

lambda

sorted

2

First

Secret Message

upper

lower

if-comprehension

and

list-comp

1

First2

Cipher Map

sorted

join

if-comprehension

list-comp

range

First

The Most Wanted Letter

isalpha

set

lower

lambda

count

Second

Absolute Sorting

abs

sorted

First

Determine the Order

index

set

not

sorted

join

3

1

First

Reverse Every Ascending

extend

dict-comp

sort

not

inline-if

2

1

"The Flat Dictionary"

The Flat Dictionary

setdefault

isinstance

dict

inline-if

and

1

First

Count Inversions

sum

if-comprehension

range

comprehension

len

3

First

How Deep

isinstance

tuple

max

for

if

First

Frequency Sorting

lambda

count

sorted

True

3

"Time Converter (12h to 24h)"

Time Converter (12h to 24h)

re.split

zfill

r-string

re

elif

1

First

Median of Three

typing.Iterable

Iterable

typing

sorted

append

"Flatten a list" using simple regex

Flatten a List

findall

re.findall

re

list-comp

comprehension

4

1

First

Median

sorted

else

int

len

if

2

First

Xs and Os Referee

or

and

range

for

if

First

Index Power

inline-if

len

First

Geometry Figures

math.tan

tan

math.radians

radians

class

14

4

First

Army Battles

class

super

remove

while

False

5

Second readable solution optimized based on my first one, hope you can read my code clearly

The Warlords

class

hasattr

super

copy

dict-comp

1

3

First

The Lancers

class

hasattr

super

remove

inline-if

1

First

The Weapons

class

hasattr

super

copy

remove

First

The Vampires

class

hasattr

super

remove

inline-if

3

First

Straight Fight

class

hasattr

super

copy

remove

First

Dialogues

class

format

None

inline-if

join

2

First

Party Invitations

class

format

remove

append

for

1

First

The Warlords

class

hasattr

super

copy

remove

First

Building Base

class

format

4

First

The Healers

class

hasattr

super

remove

inline-if

2

First

Hacker Language

class

chr

any

bin

find

"Capital City"

Capital City

class

append

len

if

First

Every Person is Unique

class

datetime.strptime

strptime

capitalize

datetime.datetime

1

First

Microwave Ovens

class

rjust

zfill

inline-if

elif

First

Army Units

class

format

inline-if

First

Friends

class

remove

set

if-comprehension

in

3

First

Voice TV Control

class

type

in

else

int

1

"3 Chefs"

3 Chefs

class

super

format

First

Text Editor

class

inline-if

append

2

First

The Defenders

class

hasattr

super

remove

inline-if

First

Multicolored Lamp

class

if

1

First

The Warriors

class

super

while

False

and

2

First(tested wrong)

Fast Train

pass

continue

pop

abs

sum

1

3

First (too slow, no recommend)

Bigger Together

itertools.permutations

permutations

itertools

min

max

2

First

Chess Knight

extend

chr

add

ord

set

1

"Achilles and the tortoise"

Achilles and the Tortoise

4

"Caesar cipher (decryptor)"

Caesar Cipher (decryptor)

rfind

find

enumerate

isalpha

abs

First

Can Balance

enumerate

typing.Iterable

Iterable

typing

lambda

"Currency Style"

Currency Style

re.split

findall

re.findall

re

replace

"The greatest common divisor"

The Greatest Common Divisor

all

any

set

not

inline-if

1

First

What Is Wrong With This Family?

copy

remove

inline-if

in

False

First

Cut Sentence

shorten

textwrap.shorten

textwrap

False

len

1

First(using BFS and lambda)

Disposable Teleports

collections.deque

deque

collections

isdigit

set

"Caesar cipher (encryptor)"

Caesar Cipher (encryptor)

rfind

find

enumerate

isalpha

abs

1

First

Moore Neighbourhood

or

if-comprehension

in

and

list-comp

1

First

Best Stock

values

max

if-comprehension

list-comp

comprehension

2

"Binary count"

Binary Count

bin

count

First

Fizz Buzz

inline-if

and

str

if

"Oil Pie"

Oil Pie

Fraction

fractions.Fraction

fractions

abs

inline-if

3

"Identify Block"

Identify Block

keys

None

sorted

for

if

1

First

How to Find Friends

add

remove

set

while

in

8

First (thanks to hints from Sim0000 on forum)

Making Change

min

None

inline-if

while

if-comprehension

"Morse Encoder"

Morse Encoder

lower

join

append

split

for

2

First

Reverse Roman Numerals

not

while

for

if

1

First

Find Quotes

finditer

re.finditer

zip

re

list-comp

First

Clock Angle

min

abs

inline-if

list-comp

split

First

Counting Tiles

all

any

map

lambda

while

First

Monkey Typing

find

lower

for

if

3

2

"Largest Rectangle in a Histogram"

Largest Rectangle in a Histogram

min

max

append

list-comp

range

1

First

Long Repeat

Exception

except

try

max

append

1

First

Feed Pigeons

inline-if

while

append

2

First

Roman Numerals

while

for

1

First

The Most Numbers

min

max

inline-if

len

"Middle Characters"

Middle Characters

inline-if

len

5

17

"The fastest horse"

The Fastest Horse

dict-comp

index

min

set

max

5

First

Swap Nodes

chain

itertools.chain

itertools

inline-if

list-comp

"When is Friday?"

When is Friday?

datetime.strptime

strptime

datetime.datetime

datetime

inline-if

1

First

Zigzag Array

List

typing.List

typing

inline-if

sorted

First

The Shortest Knight's Path

itertools.product

product

chr

itertools

ord

First

IP Network: Route Summarization

ljust

zfill

bin

set

print

First

Digits Doublets

pop

or

while

and

append

First1

Long Non Repeat

find

max

append

else

len

2

First

Multiplication Table

bin

lambda

sum

append

list-comp

First

Transposed Matrix

List

typing.List

zip

typing

list-comp

First

The Cheapest Flight

pop

min

inline-if

sum

while

14

5

2

First2

The Most Frequent Weekdays

date

datetime.date

datetime

or

sorted

16

12

First

Evenly Spaced Trees

any

List

typing.List

zip

min

First

Merge Intervals

functools.reduce

reduce

functools

set

lambda

1

First

Shooting Range

round

min

abs

max

elif

First

Create Intervals

sorted

append

range

list

len

2

3

First

Painting Wall

combinations

itertools.combinations

insert

itertools

remove

First

The Highest Building

dict-comp

items

zip

enumerate

max

First

Expand Intervals

chain

itertools.chain

itertools

typing.Iterable

Iterable

Second

Long Repeat Inside

update

filter

values

keys

enumerate

First

Cookies

join

if-comprehension

in

list-comp

split

First

The End of Other

False

and

True

len

for

2

First

Open Labyrinth

collections.deque

deque

keys

collections

List

First

Hubspot Amulet

numpy.linalg

linalg

numpy.array

array

collections.deque

2

7

1

First

Count Squares

math.degrees

combinations

itertools.combinations

degrees

math.acos

2

"Simple hashlib"

Simple Hashlib

bytes

hashlib.new

new

hashlib

12

9

First

The Longest Palindromic

add

set

max

inline-if

and

15

First

The Best Number Ever

"Numbers Factory"

Numbers Factory

break

join

while

append

range

2

"Worth of words"

Worth of Words

update

max

lambda

sum

comprehension

First

Speech Module

join

elif

else

int

if

3

"Three Points Circle"

Three Points Circle

findall

re.findall

format

round

index

1

First

Humpty Dumpty Form

math.cos

cos

math.sin

sin

math.log

1

First

Friendly Number

format

round

abs

inline-if

and

1

"Digit Stack"

Digit Stack

pop

inline-if

in

elif

append

5

First

Ryerson Letter Grade

in

range

int

str

for

4

"Network Attack"

Network Attack

extend

filter

values

dict-comp

keys

1

First

Express Delivery

collections.deque

deque

dict-comp

keys

get

First

Double Substring

break

replace

max

count

inline-if

1

"Golden Pyramid" by using deque

Golden Pyramid

collections.deque

deque

collections

max

while

2

First (bubble sort)

Robot Sort

sorted

join

append

range

list

First

Calculate Islands

remove

abs

sorted

while

if-comprehension

2

"Simple Areas"

Simple Areas

math.pi

pi

math

sum

elif

1

First

House Password

upper

lower

or

inline-if

in

"Skew-symmetric matrix"

Skew-symmetric Matrix

all

if-comprehension

list-comp

range

comprehension

20

14

First

Hexagon Spiral

values

pop

abs

max

while

First

The Rows of Cakes

combinations

itertools.combinations

itertools

continue

set

4

First (using str.find )

Restricted Prime

find

while

False

True

else

1

First

Earth Distances

math.radians

radians

math.cos

cos

math.sin

First

Group Equal consecutive

dict-comp

items

not

inline-if

print

3

First

English to Braille Translator

isspace

chain

itertools.chain

zfill

keys

First

Square Spiral

keys

abs

not

while

in

First

Word Pattern

zfill

bin

isdigit

inline-if

join

First

Moria Doors

itertools.permutations

permutations

re.split

r-string

itertools

First

Saw the Stick

break

max

inline-if

sum

append

First

Weak Point

dict-comp

zip

enumerate

min

lambda

First(my strategy is to collect gems from near to far. It runs much faster than expected :D )

Inertia

clear

chain

itertools.chain

collections.deque

deque

11

First (first time have much confidence to put this solution in the speedy category)

Supply Line

chain

itertools.chain

collections.deque

deque

keys

1

"City's Happiness"

City's Happiness

filter

values

keys

remove

isalpha

4

9

First(TESTED WRONG)

Node Disconnected Users

keys

isalpha

set

inline-if

sum

3

First

Square Board

Tuple

typing.Tuple

dict-comp

enumerate

typing

First

Repeating Decimals

index

not

join

while

in

First

New Cities

isalpha

set

if-comprehension

in

append

First

Auto Painting

min

join

list-comp

range

list

Second

Node Disconnected Users

values

pop

sum

while

in

First

The Hamming Distance

zfill

bin

zip

sum

if-comprehension

4

"Restricted sum"

Restricted Sum

elif

else

len

if

1

2

First

Number Base

Exception

except

try

int

1

2

First

Useless Flights

chain

itertools.chain

combinations

itertools.combinations

float

First(using DFS)

Sudoku Solver

copy.deepcopy

deepcopy

copy

dict-comp

keys

5

First

Rectangles Union

zip

set

list-comp

range

list

First

The First Working Day

datetime.timedelta

timedelta

datetime.datetime

datetime

elif

First

Safe Coasts

itertools.product

product

any

itertools

remove

10

"String Conversion"

String Conversion

enumerate

pop

break

lambda

inline-if

"Weekend counter"

Weekend Counter

datetime.timedelta

timedelta

datetime

while

in

1

First

Radiation Search

remove

pop

set

max

lambda

"Stair steps" using deque

Stair Steps

collections.deque

deque

collections

max

while

First

Stressful Subject

any

isupper

isalpha

index

set

2

First

Min and Max

isinstance

dict-comp

float

get

items

3

First

Unlucky Days

datetime.strptime

zfill

strptime

datetime.datetime

format

First

The Angles of a Triangle

raise

math.degrees

degrees

math.acos

acos

First (using combinations)

Most Efficient Cutting

combinations

itertools.combinations

itertools

sum

sorted

8

4

First

Garland

combinations

itertools.combinations

update

itertools

set

20

"Black holes"

Black Holes

math.sin

sin

combinations

itertools.combinations

math.acos

First

Super Root

while

True

else

if

1

First

Berserk Rook

pop

min

set

max

lambda

"CheckSum"

CheckSum

ord

isalpha

isdigit

or

inline-if

1

"Parity Bit Generator"

Parity Bit Generator

chr

bin

count

join

if-comprehension

1

First

Completely Empty

Exception

except

try

False

True

4

15

1

First

Climbing Route

functools.lru_cache

lru_cache

itertools.permutations

permutations

collections.deque

17

"ADFGVX Cipher"

ADFGVX Cipher

values

dict-comp

keys

zip

isalpha

1

"Seven Segment"

Seven Segment

combinations

itertools.combinations

values

islower

itertools

2

"The Nearest Square Number"

The Nearest Square Number

min

abs

lambda

while

True

First(practice for list slice)

Pattern Recognition

append

list-comp

range

comprehension

len

First

Ghosts Age

while

in

append

else

if

4

"Eaten Go Stones"

Eaten Go Stones

remove

pop

inline-if

while

if-comprehension

14

"The square chest"

The Square Chest

extend

all

min

set

sorted

3

"Pearls in the box"

Pearls in the Box

float

round

replace

count

sum

"Break Rings"

Break Rings

combinations

itertools.combinations

itertools

max

or

4

3

First

Fractions Addition

Fraction

fractions.Fraction

fractions

format

or

First

Colder-Warmer

random.choice

choice

random

itertools.product

product

what a mess!

Mono Captcha

clear

copy.deepcopy

deepcopy

copy

items

First

Count Consecutive Summers

break

count

append

range

for

1

Second

Count Consecutive Summers

break

lambda

or

sum

range

First

The Good Radix

enumerate

max

inline-if

while

list-comp

omg, what am i doing....

Broken Window

itertools.permutations

permutations

Tuple

typing.Tuple

set-comp

4

2

1

First

Bacteria Colonies

remove

pop

min

max

lambda

1

First

Vigenere Cipher

dict-comp

zip

enumerate

break

while

1

"Ethernet ring dimensioning"

Ethernet Ring Dimensioning

values

dict-comp

dict

find

min

"Rotate Hole"

Rotate Hole

insert

all

pop

set

append

3

First

Compare Functions

Exception

raise

is

None

except

First

Numbered Triangles

combinations

itertools.combinations

copy

dict-comp

keys

"Funny Addition"

Funny Addition

sum

First

Hypercube

heappush

heapq.heappush

heappop

heapq.heappop

heapq

6

7

1

First

Compass, Map and Spyglass

enumerate

abs

max

in

for

11

8

First

The Stones

all

inline-if

False

True

list-comp

16

6

1

First(hope you can understand what I am doing through my comment -- TO ME FROM THE FUTURE)

Card Game

set

max

sorted

and

append

3

1

First

Graphical Key

collections.deque

deque

yield

decorator

collections

First

The Tower

collections.Counter

Counter

collections

map

join

First

The Buttons

splitlines

strip

remove

enumerate

pop

First

Treasures

update

format

items

break

lambda

1

First

Keys and Locks

splitlines

strip

zip

enumerate

pop

First

Safe Code

startswith

re.split

eval

r-string

all

First

Wild Dogs

combinations

itertools.combinations

math.sqrt

sqrt

filter

First

The Secret Room

strip

index

lambda

sorted

while

1

First

Ground for the House

zip

min

max

if-comprehension

list-comp

2

1

First

The Stone Wall

filter

values

keys

enumerate

min

"The Ship Teams"

The Ship Teams

items

or

sorted

append

else

2