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61 lines
785 B
61 lines
785 B
CONST
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m = 7,
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n = 85;
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VAR
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x, y, z, q, r;
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PROCEDURE multiply;
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VAR a, b;
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BEGIN
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a := x;
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b := y;
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z := 0;
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WHILE b > 0 DO BEGIN
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IF ODD b THEN z := z + a;
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a := 2 * a;
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b := b / 2;
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END
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END;
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PROCEDURE divide;
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VAR w;
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BEGIN
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r := x;
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q := 0;
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w := y;
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WHILE w <= r DO w := 2 * w;
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WHILE w > y DO BEGIN
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q := 2 * q;
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w := w / 2;
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IF w <= r THEN BEGIN
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r := r - w;
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q := q + 1
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END
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END
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END;
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PROCEDURE gcd;
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VAR f, g;
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BEGIN
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f := x;
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g := y;
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WHILE f # g DO BEGIN
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IF f < g THEN g := g - f;
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IF g < f THEN f := f - g;
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END;
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z := f
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END;
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BEGIN
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x := m;
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y := n;
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CALL multiply;
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x := 25;
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y := 3;
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CALL divide;
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x := 84;
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y := 36;
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CALL gcd;
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write z;
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END.
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