All Challenges

Combine Lists
Today's Challenge
Easy

Released: 2025-04-28
10 points
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Filter Map By Value Range
Medium

Released: 2025-04-27
5 points
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Check ID Format
Easy

Released: 2025-04-26
5 points
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Calculate Average
Easy

Released: 2025-04-25
5 points
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Simple Calculator
Easy

Released: 2025-04-24
5 points
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Fizz Buzz
Easy

Released: 2025-04-23
5 points
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Convert to Uppercase
Easy

Released: 2025-04-22
5 points
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Calculate Power
Medium

Released: 2025-04-21
7 points
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Find Largest Integer
Easy

Released: 2025-04-20
5 points
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Sum of Integers
Easy

Released: 2025-04-19
5 points
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Count Vowels
Easy

Released: 2025-04-18
5 points
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Rotate String
Easy

Released: 2025-04-17
5 points
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Get Map Keys
Easy

Released: 2025-04-16
5 points
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Check Number Range
Easy

Released: 2025-04-15
5 points
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Sum Array Elements
Easy

Released: 2025-04-14
5 points
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Find Set Intersection
Easy

Released: 2025-04-13
5 points
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Filter Map By Key
Easy

Released: 2025-04-12
5 points
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Reverse Integer
Easy

Released: 2025-04-11
5 points
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Capitalize String
Easy

Released: 2025-04-10
5 points
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Find Second Largest
Easy

Released: 2025-04-09
5 points
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Find Element Index
Easy

Released: 2025-04-08
5 points
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Join Strings
Easy

Released: 2025-04-07
5 points
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Determine Season
Easy

Released: 2025-04-06
5 points
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Retrieve Sorted Values
Easy

Released: 2025-04-05
5 points
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Check Age Group
Easy

Released: 2025-04-04
5 points
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Find List Median
Easy

Released: 2025-04-03
5 points
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Calculate Discount
Easy

Released: 2025-04-02
5 points
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Count Map Elements
Easy

Released: 2025-04-01
5 points
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Print Multiplication Table
Easy

Released: 2025-03-31
5 points
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Check Leap Year
Easy

Released: 2025-03-30
5 points
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Trim Whitespace
Easy

Released: 2025-03-29
5 points
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Calculate Age
Easy

Released: 2025-03-28
5 points
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Calculate Circle Properties
Easy

Released: 2025-03-27
5 points
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Format Phone Number
Easy

Released: 2025-03-26
5 points
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Print Number Pattern
Easy

Released: 2025-03-25
5 points
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Filter Map By Value
Easy

Released: 2025-03-23
5 points
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Check Product SKU
Easy

Released: 2025-03-22
5 points
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Decimal to Integer Casting
Easy

Released: 2025-03-21
5 points
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Basic Map Operations
Easy

Released: 2025-03-20
5 points
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Find List Average
Easy

Released: 2025-03-19
5 points
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Frequency Counter
Easy

Released: 2025-03-18
5 points
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Find Duplicates
Easy

Released: 2025-03-17
5 points
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Check Temperature
Easy

Released: 2025-03-15
5 points
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Generate Fibonacci Sequence
Medium

Released: 2025-03-14
5 points
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Grade Calculator
Medium

Released: 2025-03-13
5 points
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Format Currency
Easy

Released: 2025-03-12
5 points
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Count Frequency
Easy

Released: 2025-03-11
5 points
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Create Person
Easy

Released: 2025-03-10
5 points
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Filter Odd Numbers
Easy

Released: 2025-03-09
5 points
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Is Divisible By 3 And 5
Easy

Released: 2025-03-08
5 points
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Number Guessing Game
Easy

Released: 2025-03-07
5 points
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Car Rental System
Hard

Released: 2025-03-06
5 points
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Fixed Size Queue
Medium

Released: 2025-03-05
5 points
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Calculate Factorial
Easy

Released: 2025-03-04
5 points
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Track Animal Migrations
Hard

Released: 2025-03-03
5 points
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Find Keys By Pattern
Medium

Released: 2025-03-02
5 points
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Concatenate Strings
Easy

Released: 2025-03-01
5 points
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Merge Maps
Medium

Released: 2025-02-28
7 points
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Is Map Empty
Easy

Released: 2025-02-27
5 points
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Is List Empty
Easy

Released: 2025-02-26
5 points
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Is One
Easy

Released: 2025-02-25
5 points
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Is Zero
Medium

Released: 2025-02-24
5 points
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Is Negative
Easy

Released: 2025-02-23
5 points
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Is Positive
Easy

Released: 2025-02-22
5 points
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Is Odd Number
Easy

Released: 2025-02-21
5 points
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First Non-Repeating Character
Hard

Released: 2025-02-20
5 points
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Sum Even Numbers
Easy

Released: 2025-02-19
5 points
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Is Palindrome
Medium

Released: 2025-02-18
5 points
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Group Contacts by State
Easy

Released: 2025-02-17
5 points
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Convert State Names
Easy

Released: 2025-02-16
5 points
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Find Longest Sequence of Zeros
Hard

Released: 2025-02-15
5 points
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Validate Password Rules
Medium

Released: 2025-02-14
5 points
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Calculate Rating Score
Hard

Released: 2025-02-13
5 points
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Count Even Numbers
Easy

Released: 2025-02-12
5 points
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Find Maximum Number
Easy

Released: 2025-02-11
5 points
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Sort Names Alphabetically
Easy

Released: 2025-02-10
5 points
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Split Array By Values
Easy

Released: 2025-02-09
5 points
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Find Common Elements
Medium

Released: 2025-02-08
5 points
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Calculate Net Pay
Easy

Released: 2025-02-07
5 points
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Create Days of Week Map
Easy

Released: 2025-02-06
5 points
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Map Contains Key
Easy

Released: 2025-02-05
5 points
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Count Character Occurrences
Medium

Released: 2025-02-04
5 points
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Reverse String
Easy

Released: 2025-02-02
5 points
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Sum Two Integers
Easy

Released: 2025-02-01
5 points
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