16
DeCooper
● 6 ● 15 ● 33
1374/ 1445
Dennis Koopman
Last seen 8 months ago
Member for 6 years, 11 months, 9 days
Difficulty Normal
I wanted to solve 50 CheckiO missions to improve my Python and algorithm skills. It proved to be more more effective and more fun than I thought, so I kept going.

Missions (94) / Solutions (95)
 Initiation
Easy Unpack
5
 998
The Most Frequent
20
 142 4
Correct Sentence
5
 420
Multiply (Intro)
5
 Home
Non-unique Elements
10
 2112 1
Even the Last
5
 5291
Three Words
5
 3967
Pawn Brotherhood
22
 1095 1
Right to Left
10
 569 3
Days Between
5
 1931
Bigger Price
15
 172 5
Second Index
16
 106 6
First Word
8
 1198
Date and Time Converter
8
 465
Morse Decoder
8
 454
Sun Angle
15
 Electronic Station
Digits Multiplication
8
 3544
Verify Anagrams
28
 441 2
Can You Pass?
40
 179
 Scientific Expedition
Morse Clock
37
 130 3
The Most Wanted Letter
8
 4943
Striped Words
15
 1772
The Hidden Word
20
 332
Common Words
8
 1628
Absolute Sorting
9
 845 2
Call to Home
20
 402
Bird Language
8
 1045
Letter Queue
8
 658
Secret Message
15
 4084
Pangram
8
 1194
Follow Instructions
8
 319
Conversion into CamelCase
8
 351
Conversion from CamelCase
8
 363
Time Converter (24h to 12h)
32
 217 3
 O'Reilly
Loading Cargo
40
 21
Median
10
 1164 1
Xs and Os Referee
12
 3808
Index Power
9
 667 2
Count Inversions
8
 917
Time Converter (12h to 24h)
15
 231
 Incinerator
Building Base
28
 164 2
Friends
15
 642
Party Invitations
15
 90
The Warriors
43
 46 7
 Mine
Binary Count
8
 2095
Fizz Buzz
5
 5388
Achilles and the Tortoise
14
 25 7
Cut Sentence
8
 158
Best Stock
14
 187 4
Caesar Cipher (encryptor)
14
 97 4
Caesar Cipher (decryptor)
8
 84
 Ice Base
Roman Numerals
36
 394 4
Feed Pigeons
8
 844
The Most Numbers
8
 3583
How to Find Friends
22
 339 1
Monkey Typing
8
 1758
Clock Angle
15
 213
Making Change
28
 23 2
Reverse Roman Numerals
15
 37
Long Repeat
14
 145 4
Morse Encoder
8
 227
 Alice In Wonderland
Transposed Matrix
15
 583
Multiplication Table
8
 254
Long Non Repeat
8
 245
The Fastest Horse
8
 147
Middle Characters
8
 138
 GitHub
Broken Clock
20
 3
The Most Frequent Weekdays
8
 346
Cookies
8
 138
Merge Intervals
12
 54 1
The Highest Building
10
 83 1
 Dropbox
Speech Module
8
 5075
Humpty Dumpty Form
15
 354
Worth of Words
5
 228
 PyCon TW
House Password
8
 358
Simple Areas
8
 424
 Storage
Saw the Stick
8
 318
 HubSpot
Restricted Sum
7
 581 1
The Hamming Distance
8
 1115
 Blizzard
Stair Steps
8
 155
The Angles of a Triangle
8
 1273
Unlucky Days
10
 73 3
String Conversion
15
 130
 Rock
Super Root
8
 202
 Shelter
Ghosts Age
8
 1115
ADFGVX Cipher
20
 103
The Nearest Square Number
8
 99
 Codeship
The Square Chest
8
 537
 Watchtower
Rotate Hole
8
 450
Vigenere Cipher
8
 145
 Escher
The Ship Teams
21
 14 11
Ground for the House
105
 1 69
Compass, Map and Spyglass
13
 44 3
The Stone Wall
10
 87 1