Compilare: main.cpp: In function 'void afis()': main.cpp:51:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int i=0; i<kv.size(); i++) fout<<kv[i]<<" "; | ~^~~~~~~~~~ main.cpp:52:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for(int i=0; i<qv.size(); i++) fout<<qv[i]<<" "; | ~^~~~~~~~~~