author | Christian Urban <christian.urban@kcl.ac.uk> |
Thu, 05 Oct 2023 14:36:54 +0100 | |
changeset 940 | 46eee459a999 |
parent 804 | 387240957c3d |
permissions | -rw-r--r-- |
147
4725bba8ef26
added slides
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
1 |
write "Input a number "; |
4725bba8ef26
added slides
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
2 |
read n; |
4725bba8ef26
added slides
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
3 |
while n > 1 do { |
4725bba8ef26
added slides
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
4 |
if n % 2 == 0 |
4725bba8ef26
added slides
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
5 |
then n := n/2 |
804 | 6 |
else n := 3*n+1 |
147
4725bba8ef26
added slides
Christian Urban <christian dot urban at kcl dot ac dot uk>
parents:
diff
changeset
|
7 |
}; |
804 | 8 |
write "Yes" |