You are given an integer num. You know that Danny Mittal will sneakily remap one of the 10 possible digits (0 to 9) to another digit.
Return the difference between the maximum and minimum values Danny can make by remapping exactly one digit in num.
Notes:
\n\nd1 in num with d2.num does not change.\n
Example 1:
\n\n\nInput: num = 11891\nOutput: 99009\nExplanation: \nTo achieve the maximum value, Danny can remap the digit 1 to the digit 9 to yield 99899.\nTo achieve the minimum value, Danny can remap the digit 1 to the digit 0, yielding 890.\nThe difference between these two numbers is 99009.\n\n\n
Example 2:
\n\n\nInput: num = 90\nOutput: 99\nExplanation:\nThe maximum value that can be returned by the function is 99 (if 0 is replaced by 9) and the minimum value that can be returned by the function is 0 (if 9 is replaced by 0).\nThus, we return 99.\n\n
\n
Constraints:
\n\n1 <= num <= 108Compiled with clang 11 using the latest C++ 20 standard.
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