solution/cw3/fib.while
author Christian Urban <christian.urban@kcl.ac.uk>
Wed, 15 Dec 2021 19:00:01 +0000
changeset 864 b5b1bc0a603b
permissions -rw-r--r--
added
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
864
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
     1
write "Fib: ";
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
     2
read n;  
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
     3
minus1 := 0;
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
     4
minus2 := 1;
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
     5
while n > 0 do {
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
     6
       temp := minus2;
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
     7
       minus2 := minus1 + minus2;
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
     8
       minus1 := temp;
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
     9
       n := n - 1
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
    10
};
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
    11
write "Result: ";
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
    12
write minus2 
Christian Urban <christian.urban@kcl.ac.uk>
parents:
diff changeset
    13