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Language: Friend or Foe?
Description Luke has a bit of trouble telling the difference between star systems in the Rebel Alliance and those in the Empire. He has a list of the After destroying the friendly planet Endor, Luke has had to admit he needs the help of his targeting computer. His computer, being an early model, can only compute the truth value of the inequality
Where Input Input consists of several test cases followed by -1 -1. Each test case first gives the number of Alliance systems, followed by a line for each system giving the integer coordinates -100 ≤ Output For each test case, output a single line containing Sample Input 2 -93 48 -92 -62 12 -32 8 51 98 -61 -3 72 81 95 25 22 89 43 -99 100 -2 -96 -18 45 -63 36 -21 -8 71 -24 42 -1 -1 Sample Output 83.000000 65.000000 -27.000000 -62.000000 Source Waterloo Local Contest, 2007.9.23 |

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