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solutions/cw4a/fib.while
author Christian Urban <christian.urban@kcl.ac.uk>
Fri, 02 Jun 2023 15:58:57 +0100
changeset 910 b655ce68983f
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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write "Fib: ";
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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     2
 
read n;
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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minus1 := 0;
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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minus2 := 1;
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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while n > 0 do {
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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       temp := minus2;
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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       minus2 := minus1 + minus2;
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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       minus1 := temp;
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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       n := n - 1
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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};
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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    11
 
write "Result: ";
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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write minus2
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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    13
 














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