| author | Christian Urban <christian.urban@kcl.ac.uk> | 
| Tue, 07 Oct 2025 16:20:30 +0100 | |
| changeset 1001 | a039af69b12e | 
| parent 409 | fb8ee3f58d19 | 
| permissions | -rw-r--r-- | 
| 
409
 
fb8ee3f58d19
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Christian Urban <christian dot urban at kcl dot ac dot uk> 
parents:  
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1  | 
def collatz(n: BigInt) : Boolean = n match {
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fb8ee3f58d19
added
 
Christian Urban <christian dot urban at kcl dot ac dot uk> 
parents:  
diff
changeset
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2  | 
case n if (n == 1) => true  | 
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fb8ee3f58d19
added
 
Christian Urban <christian dot urban at kcl dot ac dot uk> 
parents:  
diff
changeset
 | 
3  | 
case n if (n % 2 == 0) => collatz(n / 2)  | 
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fb8ee3f58d19
added
 
Christian Urban <christian dot urban at kcl dot ac dot uk> 
parents:  
diff
changeset
 | 
4  | 
case _ => collatz(3 * n + 1)  | 
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fb8ee3f58d19
added
 
Christian Urban <christian dot urban at kcl dot ac dot uk> 
parents:  
diff
changeset
 | 
5  | 
}  |