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2026-04-26 19:23:06
重心在哪里
Time Limit:
1000ms
Memory Limit:
32768KB
64-bit integer IO format:
%lld
Java class name:
Main
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Description
每个人都知道牛顿发现万有引力的故事。自从牛顿发现万有引力后,人们用万有引力理论解决了非常多的问题。不仅如此,我们也知道了每个物体都有自己的重心。
现在,给你三角形三个顶点的坐标,你能计算出三角形的重心吗?
Input
题目包含多组测试数据。第一行输入一个正整数n,表示测试数据的个数,当n=0时,输入结束。
接下来n行,每行包含6个数字x1,y1,x2,y2,x3,y3,表示三角形三个顶点的坐标。
Output
对于每组输入,输出重心的坐标,结果保留1位小数。
Sample Input
2 1.0 2.0 3.0 4.0 5.0 2.0 1.0 1.0 4.0 1.0 1.0 5.0 0
Sample Output
3.0 2.7 2.0 2.3
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