Compilare: user.cpp: In function ‘int main()’: user.cpp:103:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < rez.size(); ++i){ ^ user.cpp: In constructor ‘parsator<dim>::parsator(const char*) [with int dim = 1000]’: user.cpp:15:3: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(&buf[0], 1, dim, f); } ^ user.cpp: In member function ‘parsator<dim>& parsator<dim>::operator>>(int&) [with int dim = 1000]’: user.cpp:23:5: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(&buf[0], 1, dim, f); } } ^ user.cpp:31:5: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(&buf[0], 1, dim, f); } } ^