Practice, deliberately.
695 questions across data, programming, and theory. Pick a track, ship a streak.
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Programming questions
162 total · 0 solvedQuestion
Points
Difficulty
FizzBuzz· Loops
python10 pts
easy
FizzBuzz
Loopspython10 pts
Easy
Reverse a String· Strings
python10 pts
easy
Reverse a String
Stringspython10 pts
Easy
Check Palindrome· Strings
python10 pts
easy
Check Palindrome
Stringspython10 pts
Easy
Two Sum· Hash Maps
python10 pts
easy
Two Sum
Hash Mapspython10 pts
Easy
Count Word Frequency· Dictionaries
python10 pts
easy
Count Word Frequency
Dictionariespython10 pts
Easy
Fibonacci Sequence· Recursion
python10 pts
easy
Fibonacci Sequence
Recursionpython10 pts
Easy
Remove Duplicates· Lists / Sets
python10 pts
easy
Remove Duplicates
Lists / Setspython10 pts
Easy
Flatten Nested List· Lists
python10 pts
easy
Flatten Nested List
Listspython10 pts
Easy
Is Anagram· Strings
python10 pts
easy
Is Anagram
Stringspython10 pts
Easy
Sum of Digits· Math
python10 pts
easy
Sum of Digits
Mathpython10 pts
Easy
Celsius to Fahrenheit· Math
python10 pts
easy
Celsius to Fahrenheit
Mathpython10 pts
Easy
Count Vowels· Strings
python10 pts
easy
Count Vowels
Stringspython10 pts
Easy
Find Maximum in List· Lists
python10 pts
easy
Find Maximum in List
Listspython10 pts
Easy
Title Case Converter· Strings
python10 pts
easy
Title Case Converter
Stringspython10 pts
Easy
List Intersection· Sets
python10 pts
easy
List Intersection
Setspython10 pts
Easy
Valid Parentheses· Stacks
python25 pts
medium
Valid Parentheses
Stackspython25 pts
Med
Binary Search· Binary Search
python25 pts
medium
Binary Search
Binary Searchpython25 pts
Med
Merge Sorted Arrays· Two Pointers
python25 pts
medium
Merge Sorted Arrays
Two Pointerspython25 pts
Med
Group Anagrams· Hash Maps
python25 pts
medium
Group Anagrams
Hash Mapspython25 pts
Med
Longest Common Prefix· Strings
python25 pts
medium
Longest Common Prefix
Stringspython25 pts
Med
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