PyPE solution to PE problem 20
Registered by
Scott Armitage
PyPE solution to PE problem 20
Blueprint information
- Status:
- Complete
- Approver:
- None
- Priority:
- Undefined
- Drafter:
- None
- Direction:
- Needs approval
- Assignee:
- None
- Definition:
- Approved
- Series goal:
- None
- Implementation:
-
Implemented
- Milestone target:
- None
- Started by
- Scott Armitage
- Completed by
- Scott Armitage
Whiteboard
ProjectEule
===
n! means n * (n - 1) * ... * 3 * 2 * 1
Find the sum of the digits in the number 100!
Solution
--------
We have a (relatively) efficient factorial function already, so we simply
brute-force calculate 100! and sum the digits.
Answer
------
648
(?)
