Compilare: main.cpp: In function 'void query()': main.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for(int i=1;i<v.size();i++) | ~^~~~~~~~~ main.cpp:28:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for(int j=0;j<v.size();j++) | ~^~~~~~~~~