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Running Distinct Count

A medium Python interview practice problem on DataDriven. Write and execute real python code with instant grading.

Domain
Python
Difficulty
medium
Seniority
L3

Problem

Given a list, return a list of the same length where position i is the count of distinct values among values[0..i] inclusive.

Summary

New values keep appearing. Track the count.

Practice This Problem

Solve this Python problem with real code execution. DataDriven runs your Python code in a real environment and grades it automatically.

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