19 lines
479 B
YAML
19 lines
479 B
YAML
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title: Find the sum of digits in 100!
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url: http://projecteuler.net/problem=20
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desc: |
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n! means n * (n - 1) * ... 3 * 2 * 1
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For example, 10! = 10 * 9 * ... * 3 * 2 * 1 = 3628800,
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and the sum of the digits in the number 10! is 3 + 6 + 2 + 8 + 8 + 0 + 0 = 27.
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Find the sum of the digits in the number 100!
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solution: Bruteforce
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solutions:
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solve.php:
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desc: Basic solution
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language: php
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solve.rb:
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desc: Basic solution
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language: ruby
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