How can I use substring to print an ID number that is read from an input file to print out as for example, *--4554 instead of 455454554? I was thinking of using modulus but it is too complex
refphlex 0 Newbie Poster
nullptr 167 Occasional Poster
Would something like the following fit the requirements?
std::string str = "455454554";
std::cout << "*-" << str.substr(str.size() - 4, std::string::npos) << std::endl;
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