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@@ -223,7 +223,7 @@ struct line_v:line//线段
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if(o[1] < t[0] || t[1] < o[0])
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return line_v(point(0,0),point(0,0));
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- return line_v(point::min(t[0],o[0]),point::max(t[1],o[1]));
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+ return line_v(point::max(t[0],o[0]),point::min(t[1],o[1]));
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}
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bool empty()const
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