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Single Line Expression (Posted on 2008-01-27) Difficulty: 1 of 5
Give a single line "C type" expression to evaluate (-1)k using only +,-,* and % operators.

See The Solution Submitted by Praneeth    
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Whole numbers? | Comment 3 of 5 |
Are we to assume that k is an integer?
  Posted by Erik O. on 2008-01-28 09:48:32
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