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How do I...

M

MisfitsFiend

Platinum Member
OK, I need to figure out what makes something up if anything.

Let's say I have a figure: $567.50

I need to see if any of the following combinations makes up that figure

$123.56, $543., $8.26, $69.78. (Some, all, or none)

Is there a formula of anything that I can use, or do I have to figure out the combinations myself?
 
I need to figure out where a number (A) came from. I have a list of numbers (B,C,D,E,F,G) that could possibly make up the number (A). However, it could be all of the numbers, a combination of some of the numbers, or none of the numbers at all.
 
Subtract each number (individually) from the total until you get a match.

That is assuming we're talking about addition (since this is money)
 
Oh another question, what is this for exactly? It seems like pretty low-end math for someone who can use a computer... No offense intended. Just curious about the application here.
 
Yes, by make up, I mean add. Basically, I need to see if parts of people's salaries make up a number that doesn't belong somewhere.

Not really. I think you have to just try and figure it out.
Click to expand...
🙁 I've been doing this and not getting far.
 
That sounds suspiciously like the "Bin Packing" problem, so no, there is no good method because Bin Packing, IIRC, is NP-complete (read: theoretically bad). Try 'em all is my advice.
 
You're saying you have known values A, B, C, D, etc and want to know which combination of those values sum to a given total value?

There's no trick to solving this. Use brute force trying every permutation.
 
You're saying you have known values A, B, C, D, etc and want to know which combination of those values sum to a given total value?

There's no trick to solving this. Use brute force trying every permutation.
Click to expand...
Yep, that's what I have been doing - except I have weeks worth of "missing" money that I have to find this way 🙁
 
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