Created
May 14, 2011 05:49
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| 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. | |
| ---------- | |
| $ perl -e '$a = 0; foreach $x (1..999) { if (($x % 3 == 0) || ($x % 5 == 0)) { $a += $x; } } print "$a\n"; ' | |
| 233168 |
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