15 lines
372 B
ObjectPascal
15 lines
372 B
ObjectPascal
##
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var a := new Stack<real>;
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var b := new Dictionary<string, (real, real) -> real>;
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b['+'] := (x, y) -> y + x;
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b['-'] := (x, y) -> y - x;
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b['*'] := (x, y) -> y * x;
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b['/'] := (x, y) -> y / x;
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b['^'] := (x, y) -> y ** x;
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foreach var c in '3 4 2 * 1 5 - 2 3 ^ ^ / +'.Split do
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begin
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if c in b then a.Push(b[c](a.Pop, a.Pop))
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else a.Push(c.ToReal);
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println(c, a);
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end;
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