| author | cu | 
| Tue, 17 Oct 2017 13:49:45 +0100 | |
| changeset 520 | fff0c9cab8d0 | 
| parent 147 | 4725bba8ef26 | 
| permissions | -rw-r--r-- | 
| 147 
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 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 1 | write "Input a number "; | 
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 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 2 | read n; | 
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 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 3 | while n > 1 do {
 | 
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 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 4 | if n % 2 == 0 | 
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 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 5 | then n := n/2 | 
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 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 6 | else n := 3*n+1; | 
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 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 7 | }; | 
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 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 8 | write "Yes"; |