28
quarkov
● 11 ● 32 ● 56 Leader of the month
4384/ 4445
Alex Mahotin
Last seen 4 hours ago
Member for 6 years, 2 months, 2 days
Difficulty Normal
Engineer (3D modelling, 3D printing).

Missions (214) / Solutions (146)
 Initiation
Easy Unpack
5
 266
The Most Frequent
5
 620
Correct Sentence
10
 300 3
All the Same
22
 846 1
Multiply (Intro)
5
Between Markers (simplified)
13
 196 4
First Word (simplified)
276
 1 269
Nearest Value
18
 46 8
Split Pairs
18
 49 8
Replace First
5
Remove All Before
5
End Zeros
5
Number Length
7
 406 1
Backward String
5
 756
All Upper I
5
Beginning Zeros
8
 54
Max Digit
5
Sum Numbers
5
 56
Count Digits
5
 44
Acceptable Password I
5
Is Even
5
 69
 Home
Non-unique Elements
8
 8299
Even the Last
5
 5520
Three Words
5
 4193
Pawn Brotherhood
15
 3005
Right to Left
10
 563 3
Days Between
13
 245 6
Bigger Price
8
 193
Second Index
8
 1081
Between Markers
12
 356 2
First Word
8
 343
Popular Words
12
 370 2
Date and Time Converter
8
Morse Decoder
13
 180 3
Sun Angle
15
 69
Sort Array by Element Frequency
15
 146 5
Split List
15
 489
Backward Each Word
8
 498
 Electronic Station
Find Sequence
15
Brackets
73
 122 9
Digits Multiplication
8
 3745
Verify Anagrams
39
 193 5
Boolean Algebra
15
Inside Block
30
Unix Match. Part 1
30
Ascending List
8
 29
Surjection Strings
15
Remove Brackets
51
 7 15
Similar Triangles
30
Words Order
8
All Upper II
5
Sort by Extension
15
Acceptable Password II
8
Acceptable Password III
8
Acceptable Password IV
8
Acceptable Password V
8
Acceptable Password VI
8
 Scientific Expedition
The Most Wanted Letter
8
Striped Words
15
 989
The Hidden Word
51
 18 10
Common Words
8
 1805
Absolute Sorting
5
 2698
Cipher Map
20
 148
Remove Accents
8
Call to Home
20
Bird Language
8
 678
Letter Queue
8
I Love Python!
11
 308 4
Secret Message
15
 3997
Pangram
20
 141 7
Follow Instructions
10
 242 1
Conversion into CamelCase
13
 176 3
Conversion from CamelCase
10
 259 1
Time Converter (24h to 12h)
15
Caps Lock
8
YAML. Simple Dict
15
YAML. More Types
20
Sum by Type
8
Goes Right After
8
 O'Reilly
Median
8
 2934
Xs and Os Referee
12
Flatten a List
19
 426 2
Index Power
5
 4665
Frequency Sorting
22
 2 12
Time Converter (12h to 24h)
114
 2 78
Median of Three
8
 14
Reverse Every Ascending
12
 77 2
How Deep
49
 16 6
Replace Last
5
Compress List
19
 21 9
Remove All After
11
 79 4
Majority
12
 206 2
Chunk
8
Sort Except Zero
15
 Incinerator
Friends
15
 1139
3 Chefs
15
Multicolored Lamp
50
 2 14
Voice TV Control
41
 11 6
Text Editor
15
 25
The Warriors
22
 345 1
Army Battles
15
 27
The Defenders
15
 145
The Vampires
10
 83 1
 Mine
Binary Count
13
 391 3
Fizz Buzz
7
 1032 1
Achilles and the Tortoise
5
 348
Moore Neighbourhood
13
 103
Bigger Together
8
Best Stock
8
 190
Caesar Cipher (encryptor)
12
 183 2
Can Balance
50
 5 14
Escape
40
 Ice Base
Roman Numerals
15
Feed Pigeons
30
 1 5
The Most Numbers
8
 3786
How to Find Friends
15
 1428
Monkey Typing
8
Largest Rectangle in a Histogram
12
 123 2
Reverse Roman Numerals
66
 2 30
Long Repeat
8
Morse Encoder
8
Find Quotes
13
 106 3
 Alice In Wonderland
Transposed Matrix
47
 9 11
Multiplication Table
12
 80 2
Digits Doublets
15
 13
Long Non Repeat
14
 42 4
The Fastest Horse
12
 68 2
Middle Characters
14
 41 4
Zigzag Array
15
 21 5
Swap Nodes
20
Flood Area
22
 15 1
Tree Walker
40
 GitHub
Area of a Convex Polygon
33
 41 2
The End of Other
5
Shooting Range
8
 11
The Most Frequent Weekdays
8
Cookies
14
 4 4
Merge Intervals
21
 1 7
Create Intervals
8
Simplify Unix Path
40
Long Repeat Inside
8
The Highest Building
8
Expand Intervals
43
 2 7
Evenly Spaced Trees
16
 18 4
 Dropbox
Speech Module
10
 563 1
The Best Number Ever
5
Three Points Circle
22
 15 1
Numbers Factory
14
 1 4
Humpty Dumpty Form
15
The Longest Palindromic
14
 105 4
Worth of Words
10
 82 3
Text Formatting
16
 21 4
 PyCon TW
House Password
8
Calculate Islands
15
Simple Areas
8
Digit Stack
8
Double Substring
14
 38 4
Sum Consecutives
8
 Storage
Skew-symmetric Matrix
13
 10 6
The Rows of Cakes
15
Saw the Stick
8
 317
Word Pattern
5
Weak Point
5
 1040
Group Equal consecutive
20
 22 10
 Maya
Light Up
15
 HubSpot
Restricted Sum
12
 205 5
Number Base
15
 2507
The Hamming Distance
8
 1219
Node Disconnected Users
46
 10 6
New Cities
15
 90
City's Happiness
33
 20 2
Square Board
8
 10
Inscribe a Contour
40
Non Empty Lines
5
 Blizzard
Stair Steps
8
The Angles of a Triangle
22
 87 12
Weekend Counter
8
Min and Max
8
Unlucky Days
5
Stressful Subject
8
 435
Rectangles Union
17
 20 5
Permutation Index
32
 16 3
Reversed Permutation Index
15
 Rock
Super Root
12
 44 2
Berserk Rook
44
 1 5
Sort by Removing
15
 Shelter
Ghosts Age
8
Pattern Recognition
8
Completely Empty
20
The Nearest Square Number
23
 4 13
Four To The Floor
16
 Codeship
The Square Chest
8
Pearls in the Box
15
Probably Dice
83
 6 19
 Hermit
Simplification
60
 13
Fractions Addition
15
 57
Count Consecutive Summers
15
 Watchtower
Funny Addition
5
Broken Window
30
 Escher
The Ship Teams
10
 17 1
Ground for the House
15
 13
Compass, Map and Spyglass
15
 27 5
The Stone Wall
12
 6 2
Wild Dogs
22
 54 1
The Secret Room
18
 8 8
Keys and Locks
44
 2 8
Safe Code
8
Treasures
10
 4 1
The Stones
15
Card Game
14
 15 4
The Buttons
28
 15 2
Graphical Key
20
 26
Hypercube
15
The Tower
20
 Not On Map
Welcome Email by SendGrid
5
SendGrid Spam Reports
40
SendGrid Geo Stats
5
Most Wanted Letter
0
Correct WhatsUp
40