| author | Christian Urban <christian.urban@kcl.ac.uk> | 
| Tue, 07 Oct 2025 16:20:30 +0100 | |
| changeset 1001 | a039af69b12e | 
| parent 804 | 614de60d37d6 | 
| permissions | -rw-r--r-- | 
| 
147
 
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Christian Urban <christian dot urban at kcl dot ac dot uk> 
parents:  
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1  | 
write "Input a number ";  | 
| 
 
4725bba8ef26
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Christian Urban <christian dot urban at kcl dot ac dot uk> 
parents:  
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2  | 
read n;  | 
| 
 
4725bba8ef26
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Christian Urban <christian dot urban at kcl dot ac dot uk> 
parents:  
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3  | 
while n > 1 do {
 | 
| 
 
4725bba8ef26
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Christian Urban <christian dot urban at kcl dot ac dot uk> 
parents:  
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4  | 
if n % 2 == 0  | 
| 
 
4725bba8ef26
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Christian Urban <christian dot urban at kcl dot ac dot uk> 
parents:  
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5  | 
then n := n/2  | 
| 804 | 6  | 
else n := 3*n+1  | 
| 
147
 
4725bba8ef26
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Christian Urban <christian dot urban at kcl dot ac dot uk> 
parents:  
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 | 
7  | 
};  | 
| 804 | 8  | 
write "Yes"  |