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DLosc
DLosc
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Python 2, 167 charactersbytes - 10% = 150.3

d=lambda x:("{"+d(x//4)+"}"if x>3 else"")+";"*(x%4)
c=lambda n:"{}"*(int(n)<4)+d(int(n))if n.isdigit()else reduce(lambda x,y:x*4+y,[x.count(";")for x in n.split("}")])

In this implementation, c is the function that satisfies the requirements. It returns a string if given an nonnegative integer as input, or an integer if given a curly number as input.

Python 2, 167 characters

d=lambda x:("{"+d(x//4)+"}"if x>3 else"")+";"*(x%4)
c=lambda n:"{}"*(int(n)<4)+d(int(n))if n.isdigit()else reduce(lambda x,y:x*4+y,[x.count(";")for x in n.split("}")])

In this implementation, c is the function that satisfies the requirements. It returns a string if given an nonnegative integer as input, or an integer if given a curly number as input.

Python 2, 167 bytes - 10% = 150.3

d=lambda x:("{"+d(x//4)+"}"if x>3 else"")+";"*(x%4)
c=lambda n:"{}"*(int(n)<4)+d(int(n))if n.isdigit()else reduce(lambda x,y:x*4+y,[x.count(";")for x in n.split("}")])

In this implementation, c is the function that satisfies the requirements. It returns a string if given an nonnegative integer as input, or an integer if given a curly number as input.

added 2 characters in body
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Greg Hewgill
Greg Hewgill
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Python 2, 167 characters

d=lambda x:("{"+d(x//4)+"}"if x>3 else"")+";"*(x%4)
c=lambda n:"{}"*(int(n)<4)+d(int(n))if n.isdigit()else reduce(lambda x,y:x*4+y,[x.count(";")for x in n.split("}")])

In this implementation, c is the function that satisfies the requirements. It returns a string if given an nonnegative integer as input, or an integer if given a curly number as input.

Python, 167 characters

d=lambda x:("{"+d(x//4)+"}"if x>3 else"")+";"*(x%4)
c=lambda n:"{}"*(int(n)<4)+d(int(n))if n.isdigit()else reduce(lambda x,y:x*4+y,[x.count(";")for x in n.split("}")])

In this implementation, c is the function that satisfies the requirements. It returns a string if given an nonnegative integer as input, or an integer if given a curly number as input.

Python 2, 167 characters

d=lambda x:("{"+d(x//4)+"}"if x>3 else"")+";"*(x%4)
c=lambda n:"{}"*(int(n)<4)+d(int(n))if n.isdigit()else reduce(lambda x,y:x*4+y,[x.count(";")for x in n.split("}")])

In this implementation, c is the function that satisfies the requirements. It returns a string if given an nonnegative integer as input, or an integer if given a curly number as input.

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Greg Hewgill
Greg Hewgill
  • 2.7k
  • 12
  • 21

Python, 167 characters

d=lambda x:("{"+d(x//4)+"}"if x>3 else"")+";"*(x%4)
c=lambda n:"{}"*(int(n)<4)+d(int(n))if n.isdigit()else reduce(lambda x,y:x*4+y,[x.count(";")for x in n.split("}")])

In this implementation, c is the function that satisfies the requirements. It returns a string if given an nonnegative integer as input, or an integer if given a curly number as input.