The Sum of Its Parts

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

Domain

Python

Difficulty

medium

Seniority

L4

Problem

A monitoring export hands you `nums`, a sequence of per-interval integer deltas that can be positive, negative, or zero. Count how many contiguous stretches of `nums` sum to exactly `k`.

Summary

Somewhere in the stream, the deltas balance to your number. Count the runs that do.

Practice This Problem

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