


Conversion of Integers to Strings in任意进制
Python enables the effortless conversion of strings to integers based on a specified radix using int(str, base). However, the inverse process—generating strings from integers—requires a custom solution.
A function int2base(num, base) is desirable, fulfilling the following criterion:
int(int2base(x, b), b) == x
For any integer x and base b supported by int().
A straightforward implementation of this function consists of:
def numberToBase(n, b): if n == 0: return [0] digits = [] while n: digits.append(int(n % b)) n //= b return digits[::-1]
This approach provides a versatile solution that converts to arbitrary bases. For instance, converting a large number to base 577 would yield the correct result:
numberToBase(67854 ** 15 - 102, 577)
Key Insights:
- Custom functions are sometimes necessary when built-in functions lack support for specific operations.
- Understanding the concept of numbers in any base is crucial for constructing effective conversion algorithms.
- The signature and return type of the conversion function reflect the intricacies of working with arbitrary bases.
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