cfc 第五次练习

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#	Origin	Title
A	POJ 1269	Intersecting Lines
B	POJ 1654	Area
C	POJ 1113	Wall

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Run ID	Username	Prob	Result	Time (ms)	Mem (MB)	Length	Lang	Submit Time

{"id":338611,"title":"cfc 第五次练习","type":0,"openness":0,"authStatus":1,"begin":1572210000000,"end":1572814800000,"createTime":1572196372000,"started":true,"ended":true,"managerId":201025,"managerName":"Inkspace","fav":false,"description":{"format":"MD","content":""},"announcement":"# 计算几何专项\n这次开了一周,但不管开多久都是可以随时提交的,大家尽量挤点时间的做,因为也没有什么其他强制要求的任务,所以应该是可以完成的.\n每次出题不是为了把大家难倒,而是考虑到知识的全面性,让大家都了解到算法都涵盖哪些方面,每个方面下又有哪些小的分支,所以每次都出的是不一样的方向,如果不会做也要尽量的看懂别人是怎么做的,补上相应做题所需要的知识\n这次要让一个人来写个博客了,顺便讲一讲题(\nA 判断两条线是否相交\nB 计算多边形面积\nC 凸包问题\n","problems":[{"pid":10935,"title":"Intersecting Lines","oj":"POJ","probNum":"1269","num":"A","publicDescId":3158362253436896,"publicDescVersion":1712954077000,"properties":[{"title":"Time limit","content":"1000 ms","spoiler":false},{"title":"Mem limit","content":"10000 kB","spoiler":false},{"title":"Source","content":"\u003cdiv class\u003d\"ptx\" lang\u003d\"en-US\"\u003e\u003ca href\u003d\"http://poj.org/searchproblem?field\u003dsource\u0026amp;key\u003dMid-Atlantic+1996\"\u003eMid-Atlantic 1996\u003c/a\u003e\u003c/div\u003e","spoiler":true}],"weight":1,"submitTips":"The contest is too ancient. New submissions will be considered out of the contest.","submitMethods":[true,true,true]},{"pid":17797,"title":"Area","oj":"POJ","probNum":"1654","num":"B","publicDescId":3155512810166442,"publicDescVersion":1713047043000,"properties":[{"title":"Time limit","content":"1000 ms","spoiler":false},{"title":"Mem limit","content":"10000 kB","spoiler":false},{"title":"Source","content":"\u003cdiv class\u003d\"ptx\" lang\u003d\"en-US\"\u003e\u003ca href\u003d\"http://poj.org/searchproblem?field\u003dsource\u0026amp;key\u003dPOJ+Monthly--2004.05.15+Liu+Rujia%40POJ\"\u003ePOJ Monthly--2004.05.15 Liu Rujia@POJ\u003c/a\u003e\u003c/div\u003e","spoiler":true}],"weight":1,"submitTips":"The contest is too ancient. New submissions will be considered out of the contest.","submitMethods":[true,true,true]},{"pid":17056,"title":"Wall","oj":"POJ","probNum":"1113","num":"C","publicDescId":3153271453978217,"publicDescVersion":1712834124000,"properties":[{"title":"Time limit","content":"1000 ms","spoiler":false},{"title":"Mem limit","content":"10000 kB","spoiler":false},{"title":"Source","content":"\u003cdiv class\u003d\"ptx\" lang\u003d\"en-US\"\u003e\u003ca href\u003d\"http://poj.org/searchproblem?field\u003dsource\u0026amp;key\u003dNortheastern+Europe+2001\"\u003eNortheastern Europe 2001\u003c/a\u003e\u003c/div\u003e","spoiler":true}],"weight":1,"submitTips":"The contest is too ancient. New submissions will be considered out of the contest.","submitMethods":[true,true,true]}],"problemsHash":"a2692978e8e428a6d9f84f26646534b7","privatePeerContestIds":[],"enableTimeMachine":true,"sumTime":true,"penalty":1200,"partialScore":false,"customizedWeight":false,"showPeers":false,"clonedFromId":0}