Use a prefix sum to find the sum of the entire array [10, 20, 30, 40, 50] without re-summing
A medium Python interview practice problem on DataDriven. Write and execute real python code with instant grading.
- Domain
- Python
- Difficulty
- medium
Problem
Use a prefix sum to find the sum of the entire array [10, 20, 30, 40, 50] without re-summing. Build the prefix array and use prefix[-1] for the total. Print the prefix array and the total.
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