mild_birch_7394
Warden
Top 7.8%
Member Nº 2987
Joined Jul 2026
Python
Frequency Counting
List Comprehension
Guard Clauses
Spark
Salting Strategy
Distributed Primitives
Spark Execution Model
Solved
Python5
Milestones
First milestone at 10 problems solved.
489 runs in the past 26 weeksActive days: 11 · Max streak: 5
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Recent solves
Out of Nowhere
Python · hard
The Last Known Good
Python · medium
All Told
Python · easy
Where the Line Breaks
Python · easy
The Dominant Signal
Python · easy
Write a function two_sum_sorted(nums, target) using two pointers on a sorted list
Python · medium · lesson
Write a function is_palindrome(s) using two pointers that checks if a string reads the same forwards
Python · medium · lesson
Find the common elements between two lists using sets for efficient O(n) membership testing
Python · medium · lesson
Use a dictionary to count how many times each word appears in the list
Python · medium · lesson
Complete is_sorted: compare consecutive pairs, returning False if any element is greater than the ne
Python · medium · lesson