35
yoichi
● 10 ● 32 ● 46
7495/ 7695
Yoichi NAKAYAMA
Last seen 10 months ago
Member for 10 years, 3 months
Difficulty Normal
Missions (332) / Solutions (354)
 Initiation
Easy Unpack
5
 728
The Most Frequent
10
 282 1
Correct Sentence
11
 216 4
All the Same
15
 1373
Multiply (Intro)
63
 2 56
Between Markers (simplified)
173
 1 166
First Word (simplified)
5
 794
Nearest Value
12
 232 2
Split Pairs
14
 142 4
Replace First
11
 159 4
Remove All Before
7
 459 1
End Zeros
9
 299 2
Number Length
9
 286 2
Backward String
110
 2 103
All Upper I
19
 27 12
Beginning Zeros
10
 422 1
Max Digit
12
 140 5
Sum Numbers
9
 333 2
Count Digits
7
 388 1
Acceptable Password I
38
 2 31
Is Even
9
 294 2
 Home
Non-unique Elements
8
 1966
Even the Last
35
 91 28
Three Words
10
 89 3
Pawn Brotherhood
28
 685 2
Right to Left
5
 315
Days Between
5
 163
Bigger Price
8
 1197
Second Index
8
 1077
Between Markers
13
 264 3
First Word
10
 649 1
Popular Words
17
 56 7
Date and Time Converter
18
 41 8
Morse Decoder
13
 178 3
Sun Angle
15
 781
Sort Array by Element Frequency
16
 109 6
Split List
50
 14 14
Backward Each Word
8
 507
Changing direction
32
 12 5
Missing Number
15
 39
Duplicate Zeros
12
 16 3
 Electronic Station
Find Sequence
15
 352
Brackets
30
 562
Digits Multiplication
8
 316
Verify Anagrams
49
 91 13
Can You Pass?
40
 78
Boolean Algebra
15
 147
Ascending List
15
 73 5
Surjection Strings
43
 37 7
Remove Brackets
59
 4 23
Similar Triangles
117
 2 53
Words Order
10
 194 1
All Upper II
5
 284
Sort by Extension
32
 89 3
Acceptable Password II
8
 336
Acceptable Password III
8
 276
Acceptable Password IV
10
 164 1
Acceptable Password V
13
 81 3
Acceptable Password VI
17
 21 7
 Scientific Expedition
Morse Clock
20
 687
The Most Wanted Letter
8
 962
Striped Words
15
 371
The Hidden Word
20
 189
Common Words
8
 294
Absolute Sorting
5
 297
Cipher Map
20
 41
Remove Accents
12
 70 2
Call to Home
20
 23
Bird Language
8
 108
Letter Queue
8
 52
I Love Python!
5
 235
Secret Message
15
 267
Pangram
13
 322 3
Follow Instructions
10
 237 1
Conversion into CamelCase
211
 1 198
Conversion from CamelCase
8
 326
Time Converter (24h to 12h)
150
 2 114
Caps Lock
21
 14 11
YAML. Simple Dict
28
 63 2
YAML. More Types
52
 9 11
Sum by Type
22
 11 12
Goes Right After
10
 224 1
Convert and Aggregate
15
 45
Latest ISO datetime
9
 31
 O'Reilly
Loading Cargo
40
 1347
Determine the Order
30
 145
Median
16
 308 6
Cipher Crossword
30
 30
Xs and Os Referee
34
 52 13
Parse Array
30
Flatten a List
12
 120
The Flat Dictionary
46
 26 6
Index Power
5
 289
Count Inversions
8
 126
Frequency Sorting
8
 231
Time Converter (12h to 24h)
44
 5 8
Flatten a List (iterator version)
12
 2 4
Flatten a List (generator version)
12
 9 2
Median of Three
12
 98 2
Reverse Every Ascending
12
 78 2
How Deep
110
 1 74
Replace Last
9
 184 2
Compress List
27
 7 17
Remove All After
5
 311
Majority
17
 47 7
Chunk
10
 103 1
Sort Except Zero
28
 158 2
Lightbulb Intro
22
 134 1
Lightbulb Start Watching
15
 104
Lightbulb End Watching
36
 18 4
Multiple Lightbulbs
20
 45
The Final Stone
12
 46
Integer Palindrome
9
 38
Sum of Digits
9
 52
 Incinerator
Building Base
36
 35 4
Friends
45
 10 9
Every Person is Unique
32
 41 3
3 Chefs
28
 56 2
Geometry Figures
32
 23 3
Capital City
28
 35 2
Multicolored Lamp
57
 9 21
Microwave Ovens
36
 18 4
Voice TV Control
15
 93
Hacker Language
36
 18 4
Dialogues
15
 93
Party Invitations
15
 70
Army Units
36
 20 4
Text Editor
15
 104
The Warriors
43
 48 7
Army Battles
15
 233
The Defenders
15
 158
The Vampires
13
 41 3
 Mine
Determinant
8
 124
Disposable Teleports
15
 194
Binary Count
8
 268
Fizz Buzz
5
 174
Achilles and the Tortoise
5
 149
The Greatest Common Divisor
8
 190
Moore Neighbourhood
8
 127
Currency Style
8
 39
What Is Wrong With This Family?
20
Cut Sentence
16
 32 6
Bigger Together
10
 44 1
Domino Chain
12
 19 2
Best Stock
10
 483 1
Caesar Cipher (encryptor)
8
 385
Caesar Cipher (decryptor)
8
 78
Chess Knight
32
 25 3
Can Balance
39
 22 5
Escape
20
 56
Aggregate by Operation
12
 33
Adjacent Letters
15
 26
Long Pressed
12
 25
Switch Keys to Values
9
 26
Replace with Biggest
9
 38
Matrix "Hatching"
12
 15
 Ice Base
Roman Numerals
48
 159 12
Counting Tiles
8
 179
Feed Pigeons
8
 632
The Most Numbers
8
 279
How to Find Friends
48
 25 12
Oil Pie
8
 24
Monkey Typing
8
 333
Clock Angle
22
 50 1
Making Change
22
 29 1
Largest Rectangle in a Histogram
16
 3 6
Reverse Roman Numerals
28
 103 2
Long Repeat
126
 1 116
Identify Block
44
 10 5
Morse Encoder
8
 211
Find Quotes
84
 2 74
Move Zeros
9
 30
One Switch Strings
9
 55
Correct Capital
9
 43
When "k" is Enough!
15
 55
Is String a Number?
15
 38
Is String a Number? (Part II)
15
 28
 Alice In Wonderland
Transposed Matrix
15
 714
The Shortest Knight's Path
30
 39
Multiplication Table
10
 91 1
Digits Doublets
32
 16 3
IP Network: Route Summarization
15
 43
Long Non Repeat
10
 91 1
The Fastest Horse
8
 186
When is Friday?
26
 12 16
Middle Characters
10
 98 1
Zigzag Array
20
 7 10
Swap Nodes
48
 28 7
Flood Area
15
 23
YAML. List and Comments
20
 11
 GitHub
Solution for Anything
39
 39 5
Open Labyrinth
74
 53 10
The End of Other
5
 202
Painting Wall
20
 51
Xs and Os Champion
15
 12
Broken Clock
20
 11
The Most Frequent Weekdays
8
 171
Cookies
8
 124
Power Supply
33
 28 2
Merge Intervals
14
 42 2
Create Intervals
28
 10 18
Simplify Unix Path
50
 23 1
Long Repeat Inside
13
 31 3
Barcode Reader
15
 7
The Highest Building
14
 43 4
Paper Dice
20
 7
Create Intervals (iterator version)
9
 4
Create Intervals (generator version)
9
 2
Merge Intervals (iterator version)
9
 10
Merge Intervals (generator version)
9
 8
Expand Intervals
32
 67 3
The Cheapest Flight
10
 46 1
Evenly Spaced Trees
13
 22 3
 Dropbox
Speech Module
8
 2702
The Best Number Ever
5
Three Points Circle
15
 235
Numbers Factory
8
 245
URL Normalization
20
 32
Hubspot Amulet
20
 49
Humpty Dumpty Form
22
 111 1
Friendly Number
8
 45
Simple Hashlib
9
 80 2
Place Queens
41
 1 6
The Longest Palindromic
8
 39
Worth of Words
14
 26 7
On the same path
15
 29
Atbash Cipher
10
 18 3
Common Tail
9
 34
 PyCon TW
House Password
10
 1108 1
Building Visibility
15
 8 5
Calculate Islands
28
 56 2
Golden Pyramid
13
 8 3
Simple Areas
8
 30
Network Attack
12
 51 2
Digit Stack
12
 83 2
Robot Sort
8
 74
Double Substring
16
 21 6
Ryerson Letter Grade
5
 62
Sum Consecutives
12
 46 2
 Storage
Skew-symmetric Matrix
5
 326
The Rows of Cakes
43
 7 7
Saw the Stick
8
 112
Restricted Prime
8
 126
Word Pattern
5
 51
Square Spiral
28
 19 2
Weak Point
5
 216
Exec Quine
53
 3 12
Playfair Cipher
15
 50
Moria Doors
28
 26 2
Earth Distances
32
 11 3
English to Braille Translator
28
 12 2
Group Equal consecutive
14
 54 4
List Beautify
12
 11
 HubSpot
Restricted Sum
5
 343
Auto Painting
15
 62
Number Base
15
 204
The Hamming Distance
8
 225
Repeating Decimals
8
 15
Square Board
8
 32
Univocalic davasaan
16
 6 9
Non Empty Lines
5
 83
Team Play
22
 10 3
Workout
20
 7 1
Weekly Calendar
43
 3 7
Next Birthday
43
 4 7
 Blizzard
Radiation Search
15
 527
Stair Steps
8
 145
Spaceship Landing Strip
36
 14 4
The Angles of a Triangle
8
 321
Weekend Counter
8
 306
Min and Max
10
 40 1
Unlucky Days
5
 149
String Conversion
15
 139
Stressful Subject
56
 2 46
The First Working Day
18
 5 11
Rectangles Union
17
 13 7
Useless Flights
37
 6 3
Permutation Index
22
 29 1
Reversed Permutation Index
15
 42
 Rock
Water Jars
15
 59
CheckSum
10
 25 3
Web Log Sessions
15
 51
Super Root
8
 27
Berserk Rook
37
 18 3
Life Counter
54
 3 2
Parity Bit Generator
12
 41 2
Most Efficient Cutting
8
 36
Home Coming
27
 5 3
Sort by Removing
15
 3
Count Comprehensions
13
 6 1
Greedy Number
20
 20
 Shelter
Ghosts Age
8
 163
Pattern Recognition
8
 42
AMSCO Cipher
20
 29
ADFGVX Cipher
33
 25 2
Completely Empty
74
 2 33
The Nearest Square Number
8
 76
Seven Segment
15
 224
Halloween Monsters
22
 28 1
 Codeship
The Square Chest
8
 314
Pearls in the Box
15
 89
Probably Dice
30
 112
Texas Referee
77
 2 13
Magic with 5 cards
30
 13
Ugly Numbers
20
 29
 Hermit
The Good Radix
8
 161
Mono Captcha
39
 5 5
Keywords Finder
44
 3 8
Break Rings
135
 10 16
Network Loops
15
 30
Fractions Addition
15
 55
Count Consecutive Summers
49
 5 13
Shorter Set
5
 40
Birthday Party
5
 15
Stock Profit
0
 39
Excel Column Number
5
 4 3
Unique Email Addresses
9
 36
Backspace Apply
9
 20
 Watchtower
Funny Addition
14
 17 7
Number Guess
8
 63
Numbered Triangles
20
 174
Rotate Hole
10
 115 1
Bag of Santa Claus
8
 26
Vigenere Cipher
10
 28 1
DNA Common Sequence
25
 4
Bacteria Colonies
20
 29
Compare Functions
8
 20
Broken Window
30
 9
 Escher
The Ship Teams
10
 177 1
Ground for the House
15
 30
Compass, Map and Spyglass
14
 40 4
The Stone Wall
15
 27 5
 Not On Map
Welcome Email by SendGrid
5
Most Wanted Letter
0
 20 2
Aggregate and Count
38
 4 10