Compilare: main.cpp: In function 'int main()': main.cpp:273:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 273 | for(int i=0;i<valsx.size();i++) | ~^~~~~~~~~~~~~ main.cpp:277:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 277 | for(int i=0;i<valsy.size();i++) | ~^~~~~~~~~~~~~