/in/foo.cc:71:16: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
         printf("%"typ,c[len]);
                ^
/in/foo.cc:72:47: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
         for(int i = len - 1;i >= 1;i--)printf("%0"wei typ,c[i]);
                                               ^