/in/foo.cc: In function 'int main()':
/in/foo.cc:54:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if (j == name.size()-1) {
        ~~^~~~~~~~~~~~~~~~
/in/foo.cc:75:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if (j == address.size()-1) {
        ~~^~~~~~~~~~~~~~~~~~~
/in/foo.cc:58:26: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
     output += address[pos];
                          ^