Perl Skills Test

© 2005 A.P. Lawrence

Answer

4 1 -4

While it can speed up calculations that don't need to be floating point, the "use integer" pragma also affects the result of modulo on negative numbers. With "use integer", the "%" works like it does with positive numbers. The pragma also affects bitwise operations, so you may need to be aware of these side effects if you invoke it.

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