53 lines
826 B
ObjectPascal
53 lines
826 B
ObjectPascal
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PROGRAM Hello;
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USES
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URadixSort;
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VAR
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filein : text;
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mychar : char;
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myseat, column, row, pass, i, n : integer;
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seats : array[0..1023] of LongInt;
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BEGIN
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myseat := 0;
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column := 0;
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row := 0;
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i := 0;
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assign(filein, 'input');
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reset(filein);
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repeat begin
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read(filein, mychar);
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case mychar of
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'F': row := row shl 1;
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'B': row := (row shl 1) or 1;
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'L': column := column shl 1;
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'R': column := (column shl 1) or 1;
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otherwise begin
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pass := row * 8 + column;
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seats[i] := pass;
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i := i + 1;
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row := 0;
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column := 0;
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end
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end;
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end;
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until eof(filein);
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close(filein);
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(* Thank god the wiki for this *)
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RadixSort(seats);
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for n := 1 to i do
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begin
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if seats[n] <> seats[n - 1] + 1 then
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myseat := seats[n] - 1
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end;
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writeln('Your seat is ', myseat);
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END.
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