好得很程序员自学网

<tfoot draggable='sEl'></tfoot>

CodeforcesRound#195(Div.2)AVasilytheBearandTrian

Vasily the bear has a favorite rectangle , it has one vertex at point (0,?0) , and the opposite vertex at point ( x ,? y ) . Of course, the sides of Vasya's favorite rectangle are parallel to the coordinate axes. Vasya also loves triangles

Vasily the bear has a favorite rectangle , it has one vertex at point (0,?0) , and the opposite vertex at point ( x ,? y ) . Of course, the sides of Vasya's favorite rectangle are parallel to the coordinate axes.

Vasya also loves triangles, if the triangles have one vertex at point B ?=?(0,?0) . That's why today he asks you to find two points A ?=?( x 1 ,? y 1 ) and C ?=?( x 2 ,? y 2 ) , such that the following conditions hold:

the coordinates of points: x 1 , x 2 , y 1 , y 2 are integers. Besides, the following inequation holds: x 1 ? x 2 ; the triangle formed by point A , B and C is rectangular and isosceles ( is right); all points of the favorite rectangle are located inside or on the border of triangle ABC ; the area of triangle ABC is as small as possible.

Help the bear, find the required points. It is not so hard to proof that these points are unique.

查看更多关于CodeforcesRound#195(Div.2)AVasilytheBearandTrian的详细内容...

  阅读:40次