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这次的赛题有没讲解呀?好多不会

3492: Area Coordinates I

scu1183 | 2009-11-24 13:12:24 | delete | edit
哎……“一个三角形,多个测试的O点... ” 我这是读的什么题呀? 恼火哟 
baihacker | 2009-11-23 23:16:22 | delete | edit
这个题...直接用叉积算面积,然后相比,求绝对值,按要求输出就行了.
题目里面写得明显了,一个三角形,多个测试的O点... 
baihacker | 2009-11-23 23:14:06 | delete | edit
http://www.lsxk.org/wForum/disparticle.php?boardName=ACM_ICPC&ID=10428&pos=6 
scu1183 | 2009-11-23 23:09:43 | delete | edit
就这题吧,WA了八次,仍然WA。 需要被讲解 

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