• [C] Center

  • 时间限制: 1000 ms 内存限制: 65535 K
  • 问题描述
  • Everyone know the story that how Newton discovered the Universal Gravitation. One day, Newton walked
    leisurely, suddenly, an apple hit his head. Then Newton discovered the Universal Gravitation.From then
    on,people have sovled many problems by the the theory of the Universal Gravitation. What's more, wo also
    have known every object has its Center of Gravity.
    Now,you have been given the coordinates of three points of a triangle. Can you calculate the center
    of gravity of the triangle?


  • 输入
  • The first line is an integer n,which is the number of test cases.
    Then n lines follow. Each line has 6 numbers x1,y1,x2,y2,x3,y3,which are the coordinates of three points.
  • 输出
  • For each case, print the coordinate, accurate up to 1 decimal places.
  • 样例输入
  • 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
    
  • 样例输出
  • 3.0 2.7
    2.0 2.3
    
  • 提示
  • 来源
  • Hungar
  • 操作

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