/in/foo.cc: In function 'int main()':
/in/foo.cc:51:38: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::__cxx11::basic_string<char>::size_type {aka long unsigned int}' [-Wformat=]
   if(flag) {printf("%d\n",s2.length());continue;}
                           ~~~~~~~~~~~^
/tmp/ccbd2aMe.s: Assembler messages:
/tmp/ccbd2aMe.s: Fatal error: cannot fill 256 bytes in section .data of /tmp/ccW7ijHi.o because: 'No space left on device'
/tmp/ccbd2aMe.s: Fatal error: can't close /tmp/ccW7ijHi.o: No space left on device