Compilare: main.cpp: In function 'int main()': main.cpp:20:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for (int i=0;i<d.size();i++) | ~^~~~~~~~~ main.cpp:34:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for (int i=0;i<ana.size();i++) fout << ana[i] <<" "<<anb[i] <<"\n"<<anb[i] <<" "<<ana[i]<<"\n"; | ~^~~~~~~~~~~