15 lines
250 B
Plaintext
15 lines
250 B
Plaintext
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function gcd (var x : nat; var y : nat) : nat is block {
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if x < y then
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block {
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const z : nat = x;
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x := y; y := z
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}
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else skip;
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var r : nat := 0n;
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while y =/= 0n block {
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r := x mod y;
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x := y;
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y := r
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}
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} with x
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