renurtt

Untitled

Oct 20th, 2020
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  1. class Circle:
  2.     def __init__(self, r_i, x_i, y_i, vx_i, vy_i) -> None:
  3.         super().__init__()
  4.         self.vy = vy_i
  5.         self.vx = vx_i
  6.         self.y = y_i
  7.         self.x = x_i
  8.         self.r = r_i
  9.  
  10.     def touches(self, circle):
  11.         if ((self.x - circle.x) ** 2 + (self.y - circle.y) ** 2) ** (1 / 2) <= (circle.r + self.r):
  12.             return True
  13.         return False
  14.  
  15.  
  16. N, T, dt = map(int, input().split())
  17. circles = []
  18. for i in range(N):
  19.     r_i_inp, x_i_inp, y_i_inp, vx_i_inp, vy_i_inp = map(int, input().split())
  20.     circles[i] = Circle(r_i_inp, x_i_inp, y_i_inp, vx_i_inp, vy_i_inp)
  21.  
  22. collisions_number = 0
  23. for time in range(0, T + 1, dt):
  24.     for i in range(N):
  25.         circles[i].x += circles[i].vx
  26.         circles[i].y += circles[i].vy
  27.  
  28.     for i in range(N):
  29.         for j in range(i + 1, N):
  30.             if circles[i].touches(circles[j]):
  31.                 collisions_number += 1
  32.  
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