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cwtests/cw02/fib.while
author Christian Urban <christian.urban@kcl.ac.uk>
Sat, 04 Sep 2021 14:09:26 +0100
changeset 835 f4e177bfb398
parent 833 7c3b8bb4a174
child 853 851d8c00f033
permissions -rw-r--r--
cwupdates
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
833
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset 
     1
 
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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     3
 
minus1 := 0;
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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     4
 
minus2 := 1;
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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     5
 
while n > 0 do {
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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     6
 
       temp := minus2;
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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     7
 
       minus2 := minus1 + minus2;
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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     8
 
       minus1 := temp;
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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     9
 
       n := n - 1
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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    10
 
};
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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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    12
 
write minus2
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Christian Urban <christian.urban@kcl.ac.uk>
parents:
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    13
 














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