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Re:C题样例是不是错的 [ Topic ] 2009-09-05 15:19:31 team480
4
0 0
0 1
-1 9
4 28

这个样例的话我可以选择(0,0) (-1,9) (4,28)三个坐标，得到的面积显然不止2
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University of Science and Technology of China
Online Judge for ACM/ICPC
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