计算几何 6 和 1.
http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=3726
http://www.cppblog.com/aswmtjdsj/archive/2011/10/17/158526.html
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某岛
… : "…アッカリ～ン . .. . " .. .
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