18
Weijun23
● 1 ● 5 ● 13
1771/ 1945
Weijun Zhou
Last seen 5 hours ago
Member for 2 months, 10 days
Difficulty Easy
Missions (192) / Solutions
 Strings and Integers
The Most Wanted Letter
8
Digits Multiplication
8
Three Words
5
Fizz Buzz
5
Bird Language
8
First Word
8
Correct Sentence
5
Conversion into CamelCase
8
Conversion from CamelCase
8
Middle Characters
8
Multiply (Intro)
5
Between Markers (simplified)
5
First Word (simplified)
5
End Zeros
5
Number Length
5
Backward String
5
Beginning Zeros
8
Max Digit
5
Sum Numbers
5
Is Even
5
Excel Column Number
8
Goes Right After (simplified)
6
Just Fizz!
8
Rectangle Perimeter
3
The Longest Word
6
Count Vowels
6
Convert To Title Case
9
Replace All Occurrences
9
Longest Substring of Unique Characters
12
Number With Exclamation
6
Count Substring Occurrences
9
Longest Common Prefix
9
Convert Date
9
Fuzzy String Matching
12
All Permutations
9
Find Remainder
6
Integer Sign Determination
3
Sum of Integers
9
Reverse Integer
9
Armstrong Number Checking
9
Maximum Among Three
6
Leap Year Checking
9
Quadratic Equation Roots
9
Count Divisibles in Range (simplified)
6
Perfect Number Checking
9
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
Right to Left
5
Index Power
5
All the Same
15
Follow Instructions
8
Frequency Sorting
8
Ascending List
8
Zigzag Array
8
Reverse Every Ascending
8
Replace First
5
Compress List
8
Remove All Before
5
Remove All After
5
Majority
8
Sort Except Zero
15
Backward Each Word
8
Words Order
8
Sort by Extension
15
Non Empty Lines
5
Stock Profit
5
Missing Number
15
Duplicate Zeros
8
 Look up in the Dict()
Golden Pyramid
8
The Flat Dictionary
20
Pawn Brotherhood
15
Boolean Algebra
15
Bigger Price
8
Best Stock
8
Popular Words
8
The Cheapest Flight
8
YAML. Simple Dict
15
YAML. List and Comments
20
Count Digits
5
Move Zeros
9
 Strings Theory
Speech Module
8
Brackets
30
House Password
8
Morse Clock
20
Striped Words
15
Friendly Number
8
Common Words
8
Pangram
8
Currency Style
8
The Longest Palindromic
8
Long Repeat
8
Long Repeat Inside
8
Second Index
8
Between Markers
8
The Nearest Square Number
8
Morse Encoder
8
Morse Decoder
8
Sun Angle
15
Chemical Analysis
12
Caps Lock
8
Surjection Strings
15
Remove Brackets
15
Text Formatting
8
Acceptable Password I
5
Acceptable Password II
8
Acceptable Password III
8
Acceptable Password IV
8
Acceptable Password V
8
Acceptable Password VI
8
Correct Capital
9
Long Pressed
12
Is String a Number?
15
Is String a Number? (Part II)
15
Fibonacci Poem
12
Reveal the Number
9
Working Hours Calculator
15
Count Morse
12
The Hollow Diamond
12
Staircase
12
Tricky String
9
Revorse the vewels
9
Champernowne Word
12
Collatz Ztalloc
9
Matrix-2-String
9
String-2-Matrix
9
 List, list and list again
Xs and Os Referee
12
Flatten a List
12
The Highest Building
8
Flatten a List (iterator version)
12
Flatten a List (generator version)
12
Median of Three
8
Sort Array by Element Frequency
8
Split Pairs
8
Split List
15
Replace Last
5
Sum by Type
8
Integer Palindrome
9
Sort Sorted Groups
9
When "k" is Enough!
9
Not in Order
9
Replace with Biggest
9
Matrix "Hatching"
12
List Beautify
12
Garland
12
Beat The Previous
9
Combining Celebrity Names
9
Postfix Evaluation
9
Colorful Disks
6
 Different kind of sets
Seven Segment
15
Expand Intervals
15
Shorter Set
5
 Ice Base
Radiation Search
15
Skew-symmetric Matrix
5
Transposed Matrix
15
Spaceship Landing Strip
15
The Best Number Ever
5
Three Points Circle
15
Calculate Islands
15
Pearls in the Box
15
Feed Pigeons
8
The Most Numbers
8
Digit Stack
8
Weak Point
5
The Greatest Common Divisor
8
Moria Doors
15
Caesar Cipher (encryptor)
8
15-puzzle Solvability
12
Exploring Wythoff Array
15
Count Divisibles in Range
6
Count And Say
9
Bishop vs Aliens
12
 GitHub
Roman Numerals
15
The Angles of a Triangle
8
Restricted Sum
5
Binary Count
8
Number Base
15
The Hamming Distance
8
Min and Max
8
How to Find Friends
15
Monkey Typing
8
I Love Python!
5
Secret Message
15
Moore Neighbourhood
8
Node Disconnected Users
20
New Cities
15
 Blizzard
Word Pattern
5