Compilare: main.cpp: In function 'int main()': main.cpp:60:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, double> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(int j=0;j<aux.size();j++) | ~^~~~~~~~~~~