Compilare: main.cpp: In function 'int main()': main.cpp:54:45: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<std::__cxx11::basic_string<char> >::size_type {aka long unsigned int}' [-Wformat=] fprintf (fout, "%d\n", stringarray.size() ) ; ^ main.cpp:56:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < stringarray.size() ; i++ ) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:52:7: warning: unused variable 'n' [-Wunused-variable] int n, i; ^ main.cpp: In function 'void citire(char*, int)': main.cpp:20:24: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized] while (c != ')' && c != '\n' ) { ~~^~~~~~~