32
Nocturne13
● 11 ● 34 ● 49
5830/ 6195
Artur Alexandrov
Last seen 11 days ago
Member for 1 year, 6 months, 5 days
Difficulty Easy
Missions (375) / Solutions (161)
 Strings and Integers
The Most Wanted Letter
8
Digits Multiplication
8
Three Words
5
Fizz Buzz
5
Bird Language
8
Cut Sentence
8
First Word
8
Correct Sentence
5
Conversion into CamelCase
8
Conversion from CamelCase
8
Middle Characters
8
Multiply (Intro)
9
 42 2
Between Markers (simplified)
5
First Word (simplified)
5
End Zeros
5
Number Length
5
 676
Backward String
5
All Upper I
5
Beginning Zeros
8
Max Digit
5
Sum Numbers
5
Goes Right After
8
Is Even
13
 118 6
Excel Column Number
8
 61
Goes Right After (simplified)
6
Just Fizz!
27
 18 10
Rectangle Perimeter
3
The Longest Word
6
 2
Count Vowels
21
 2 13
Convert To Title Case
14
 15 2
Replace All Occurrences
9
 8
Longest Substring of Unique Characters
12
Number With Exclamation
6
Count Substring Occurrences
9
 45
Longest Common Prefix
9
Convert Date
9
 41
Fuzzy String Matching
12
 39
All Permutations
9
 20
Find Remainder
8
 24 1
Integer Sign Determination
3
Sum of Integers
14
 17 2
Reverse Integer
18
 2 4
Armstrong Number Checking
14
 26 2
Maximum Among Three
14
 3 6
Leap Year Checking
14
 18 2
Quadratic Equation Roots
9
 3
Count Divisibles in Range (simplified)
16
 1 8
Perfect Number Checking
9
 26
Variable: Declaration and Value Setting
1
Variables with Expression Values
2
Empty Function
2
Take and Return Argument
2
 List but not the least
Non-unique Elements
8
Median
8
Even the Last
5
Absolute Sorting
5
 3138
Right to Left
5
Index Power
5
Easy Unpack
5
The Most Frequent
5
All the Same
15
Follow Instructions
8
Frequency Sorting
8
Ascending List
8
Zigzag Array
8
 82
Reverse Every Ascending
8
 186
Replace First
5
Compress List
8
Remove All Before
5
 113
Remove All After
5
Majority
8
Chunk
8
Sort Except Zero
15
 723
Backward Each Word
8
Words Order
8
Sort by Extension
15
 252
Non Empty Lines
5
Stock Profit
5
Changing direction
15
 57
Missing Number
34
 6 6
Duplicate Zeros
8
 Look up in the Dict()
Golden Pyramid
8
Verify Anagrams
15
 1864
The Flat Dictionary
20
Pawn Brotherhood
44
 213 8
Boolean Algebra
15
What Is Wrong With This Family?
20
Bigger Price
8
Best Stock
8
Popular Words
8
The Cheapest Flight
8
 15
How Deep
15
YAML. Simple Dict
15
 114
YAML. More Types
20
 84
YAML. List and Comments
20
YAML. Complex Structure
30
Count Digits
5
Aggregate by Operation
12
 16
Move Zeros
9
Switch Keys to Values
9
 72
 Strings Theory
Speech Module
8
 5292
Brackets
30
 1932
House Password
8
 10312
Morse Clock
20
Striped Words
15
 1998
Friendly Number
8
Common Words
12
 568 2
Letter Queue
8
 798
Pangram
8
 1559
Currency Style
12
 7 2
Stressful Subject
8
 478
Long Repeat
8
Long Non Repeat
8
 246
Double Substring
8
Second Index
8
 1645
Between Markers
8
 1109
The Nearest Square Number
8
 201
Morse Encoder
8
 448
Morse Decoder
10
 423 1
Sun Angle
32
 344 3
Chemical Analysis
12
 6
Caps Lock
8
 177
Surjection Strings
15
Text Formatting
8
All Upper II
5
 570
Acceptable Password I
5
Acceptable Password II
8
Acceptable Password III
8
Acceptable Password IV
8
Acceptable Password V
8
Acceptable Password VI
8
Sum of Digits
9
 104
One Switch Strings
9
 19
Adjacent Letters
15
 14
Correct Capital
14
 32 2
Long Pressed
12
 13
Is String a Number?
15
 79
Is String a Number? (Part II)
30
 4 4
Fibonacci Poem
15
Calculator-I
15
Calculator-II
15
Reveal the Number
9
 6
Working Hours Calculator
35
 2 7
Schedule Mode Builder
15
 1
Count Morse
12
Tricky String
9
 2
Revorse the vewels
9
 1
 List, list and list again
Loading Cargo
40
 1580
Determine the Order
30
Cipher Crossword
30
Xs and Os Referee
12
 4665
Flatten a List
12
Count Inversions
8
 2187
Color Map
20
Most Efficient Cutting
8
The Highest Building
8
 79
Flatten a List (generator version)
12
Median of Three
8
Sort Array by Element Frequency
8
Split Pairs
8
 670
Split List
15
 436
Replace Last
5
Sum by Type
8
 212
Convert and Aggregate
15
 92
Integer Palindrome
9
Nonogram Encode
15
 7
When "k" is Enough!
15
 14
Not in Order
9
 61
Replace with Biggest
9
 5
Toothpicks
15
Ulam–Warburton Automaton
12
Ulam-Warburton Automaton Hex
12
Garland
12
Beat The Previous
9
 33
Combining Celebrity Names
9
 3
Postfix Evaluation
9
 3
 Different kind of sets
The End of Other
7
 323 1
Mind Switcher
30
Berserk Rook
20
Friends
15
Power Supply
20
Merge Intervals
9
 115
Create Intervals
8
 235
Expand Intervals
15
 80
Square Board
8
Nearest Value
8
 582
Boundary Blocks
30
Hexagonal Islands
20
Shorter Set
5
 77
 Mine
Funny Addition
5
Stair Steps
8
Bats Bunker
30
Express Delivery
60
Parse Array
30
Simple Areas
8
 509
Super Root
8
Can You Pass?
40
Inside Block
30
The Einstein Problem-Lite
15
Unix Match. Part 1
30
 49
Unix Match. Part 2
40
 81
Common Tail
9
 4
Interesting, intersecting
22
 8 3
Latest ISO datetime
9
Checking Perfect Power
12
 4
Grid Painting
15
 Ice Base
Skew-symmetric Matrix
5
 149
Transposed Matrix
15
 58
Counting Tiles
8
 286
The Best Number Ever
11
 84 4
Three Points Circle
15
 47
The Hidden Word
20
 434
Feed Pigeons
8
The Most Numbers
10
 1087 1
Network Attack
8
Digit Stack
8
 1087
Weak Point
5
 46
The Greatest Common Divisor
25
 8 15
Moria Doors
15
 399
Largest Rectangle in a Histogram
8
 197
Caesar Cipher (encryptor)
8
 470
Similar Triangles
59
 78 4
Peaceable Queens
15
 1
15-puzzle Solvability
12
 1
 The Game is Worth it!
The Shortest Knight's Path
30
The Square Chest
8
8 Puzzle
30
Snake Lite
30
Minesweeper
20
Sudoku Solver
15
Digits Doublets
15
Unfair Dice
20
Probably Dice
30
Battle Dice
30
Magic Domino
20
Life Counter
30
Texas Referee
30
Find Enemy
30
Domino Chain
8
Magic with 5 cards
30
The Final Stone
16
 39 1
Rolling 🎲!
29
 5 8
Checkers Capture
12
 1
R-mahjong Ⅰ: break hand into sets
12
Archipelago
15
 GitHub
Find Sequence
15
Roman Numerals
15
 3361
Solution for Anything
15
Open Labyrinth
30
Numbers Factory
8
 76
The Angles of a Triangle
8
 1506
Ghosts Age
8
 1285
Restricted Sum
5
 1753
Binary Count
12
 585 2
Number Base
32
 381 3
The Hamming Distance
8
 1618
Min and Max
8
How to Find Friends
15
 138
Monkey Typing
8
 2333
I Love Python!
7
 142 1
Secret Message
32
 584 3
Moore Neighbourhood
8
Break Rings
60
 Dropbox
Determinant
8
 76
Anagrams By Stacks
60
Colder-Warmer
30
How Much Gold
15
 195
Restricted Prime
8
Achilles and the Tortoise
5
 387
Simplification
60
Playfair Cipher
15
Clock Angle
15
 392
 Everything is Object
Army Units
15
The Warriors
15
Army Battles
15
The Defenders
15
The Vampires
8
The Lancers
20
The Healers
20
Straight Fight
20
The Weapons
15
The Warlords
30
OOP 1: First Look at Class and Object
5
OOP 2: Class Attributes
5
OOP 3: Initializing
5
OOP 4: Adding Methods
5
OOP 5: Parent - Child
5
OOP 6: Overriding Methods
5
OOP 7: Adding Parameters
5
 Master of the Time Stone
Weekend Counter
8
Days Between
12
 335 5
Broken Clock
20
Unlucky Days
5
 424
When is Friday?
8
 273
Group Equal consecutive
8
 223
Weekly Calendar
15
Next Birthday
15
 Maya
Net Game
15
Inertia
8
Unruly
8
Find Rectangles
20
Train Tracks
40
House of Mirrors
40
Roll the cube
40
 HubSpot
Ore In The Desert
60
The Good Radix
8
Palindromic Palindrome
30
Bulls and Cows
20
Repeating Decimals
8
Bag of Santa Claus
8
Oil Pie
8
 223
Exec Quine
20
The Lantern Festival
20
Earth Distances
15
Dark Labyrinth
20
Permutation Index
15
Reversed Permutation Index
15
 Blizzard
Convex Hull
15
Mathematically Lucky Tickets
15
Painting Wall
20
Simple Hashlib
5
 331
Word Pattern
5
 61
Shooting Range
8
AMSCO Cipher
20
Vigenere Cipher
8
Identify Block
20
Worth of Words
5
 418
 Rock
Caesar Cipher (decryptor)
8
 27
Supply Line
30
Find Quotes
8
 420
Sum Consecutives
8
 166
Halloween Monsters
15
On the same path
15
Fused Cubes
30
Sort by Removing
20
 66 1
Greedy Number
20
 44
 Shelter
Reverse Engineer
60
Remove Accents
8
Ethernet Ring Dimensioning
15
Unfair Districts
15
Simplify Unix Path
40
Fractions Addition
15
 37
Chess Knight
15
Swap Nodes
20
 159
Escape
20
Inscribe a Contour
20
Univocalic davasaan
5
Stacking Cubes
25
Atbash Cipher
12
 16 5
Scytale Encryption
8
Grille Cipher Attack
60
 Codeship
Magic Square
15
Hexagon Spiral
20
Family Gifts
30
Cookies
10
 100 1
The Fastest Horse
8
 283
River Crossing
30
Workout
25
Backspace Apply
9
 2
 Hermit
CheckSum
5
Ryerson Letter Grade
5
 41
Broken Window
30
Write Quadratic Equation
22
 1 3
 Watchtower
Playfair Cipher Attack
60
 Escher
The Ship Teams
8
 426
Ground for the House
15
 49
Compass, Map and Spyglass
8
 29
The Stone Wall
8
 37
Wild Dogs
15
 18
The Secret Room
8
 138
Keys and Locks
15
 11
Safe Code
8
 112
Treasures
8
The Stones
15
Card Game
8
 Not On Map
Most Wanted Letter
0
Length of the String
5