Introduction - If you have any usage issues, please Google them yourself
"Black hole number, also known as trap number, the class has a peculiar characteristic of conversion integer number of the same failure of any integer, the limited" rearrangement poor demand "operation, will always have one or some few of these numbers is the number of black holes. "rearrangement poor demand" operation that is composed of the number of rearrangement of the number obtained by subtracting the maximum number obtained after rearrangement of the minimum number. "
After continuous use of LCC-WIN32 debug, and finally write out the program not very good also with a goto, please speak up more. Source code packaged in this