Convert a number to a string with specified length in C++

Question

I have some numbers of different length (like 1, 999, 76492, so on) and I want to convert them all to strings with a common length (for example, if the length is 6, then tho

Answer 1

sprintf is the C-like way of doing this, which also works in C++.

In C++, a combination of a stringstream and stream output formatting (see http://www.arachnoid.com/cpptutor/student3.html ) will do the job.

Answer 2

char str[7];
snprintf (str, 7, "%06d", n);

See snprintf