school assignment

Apr 20, 2012 at 7:34pm
hello i need help on this question "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."
i am really crop in the for loop. i really need help.
Apr 20, 2012 at 7:42pm
Use modulus(%) to check for remainders in your loop iterating from 1 to 1000. For example (pseudo code):

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2
3
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loop {
   if i % 3 = 0 then sum += i;
   if i % 5 = 0 then sum += i;
} i++


That should get you started. Do you have any code so far?



Apr 20, 2012 at 8:00pm
no i don't, tanks this really should help me , but u can still help me out in total cos am over exhausted and i need to submit it tomorrow
Apr 20, 2012 at 8:33pm
Just translate the pseudo-code above to C++ syntax and spit out the value of sum at the end. I unknowingly did most of it for you already.
Apr 20, 2012 at 8:47pm
yeah i got it all tanks so much
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