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Math Puzzle (SOLVED by harold aptroot!)

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41 Posts 8 Posters 0 Views 1 Watching

S supercat9
Here's a smaller approach:
```
        y = x + 7 \* (1 / (x \* x + 1))
```
Assuming integer division, and assuming numbers don't overflow, this should work nicely. The expression x*x is never negative, so x*x+1 is always positive and never zero. The expression 1/q is one when q=1, and zero if q>1; I don't think things can get any simpler than that.
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AspDotNetDev

wrote on last edited by

#41

Very nice. And easily verifiable. I like. :thumbsup:

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