Jamie AshtonChallenge 1:
'If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3,5,6 and 9. The sum of these multiples is 23.
Find the sum of all the multiples of 3 or 5 below 1000.'
Simple solution in MATLAB:
Simple solution in C:
Both programs return the answer as 233,168.
Conclusion: A very simple first challenge, to ease me into things.
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It would make it more interesting to eliminate the mod operation which is more costly than adds and subtracts on most machines.
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