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  1. program chasing; (*50 punti*)
  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   begin
  28.                                                                if (dir='D') or (dir='L') then Bs:=-Bs;
  29.                                                                if (dir='R') or (dir='L') then T:= (abs(Dy-By))/Ds + (abs(Dx-Bx)) / (abs(Ds-Bs))
  30.                                                                                           else if (dir='U') or (dir='D') then T:= (abs(Dx-Bx))/Ds + (abs(Dy-By)) / ( abs(Ds-Bs)) ;
  31.                                                               end; 
  32.                                                         (* else T:=((abs(Dx-Bx) + abs(Dy-By)) / (abs (Ds+Bs)));*)
  33.  
  34.    WriteLn(ceil(T));
  35.  
  36. end.
Success #stdin #stdout 0s 5320KB
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https://ideone.com/UFzFOM
language:
Pascal (fpc 3.0.4)
created:
1 day ago
visibility:
public

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