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  1. program chasing;
  2. Uses Math;
  3.  
  4. var
  5.      Bs, Bx, By, Ds, Dx, Dy : LongInt;
  6.      dir                       : Char;
  7.      T : real;
  8. begin
  9. (*
  10.     assign(input,  'input.txt');  reset(input);
  11.     assign(output, 'output.txt'); rewrite(output);
  12. *)
  13.  
  14.     ReadLn(Dx, Dy, Ds);
  15.  
  16.     ReadLn(Bx, By, Bs);
  17.  
  18.     ReadLn(dir);
  19.  
  20.     T := 0;
  21.  
  22.    if (dir='D') or (dir='L')  then Bs:=-Bs;
  23.    if (Dx<Bx) and (Ds<Bs) and (dir='R') then T:=-1
  24.                                         else if (Dx>Bx) and (Ds<Bs) and (dir='L') then T:=-1
  25.                                                 else if   (Dy>By) and (Ds<Bs) and (dir='D') then T:=-1
  26.                                                     else if (Dy<By) and (Ds<Bs) and (dir='U') then T:=-1
  27.                                                          else T:=((abs(Dx-Bx) + abs(Dy-By)) / (abs (Ds+Bs)));
  28.  
  29.    WriteLn(round(T));
  30.  
  31. end.
  32.  
Success #stdin #stdout 0.01s 5308KB
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https://ideone.com/czIgJn
language:
Pascal (fpc 3.0.4)
created:
20 hours ago
visibility:
public

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