Compilare: main.cpp: In function 'int main()': main.cpp:39:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int i = 0; i < ox.size(); i++){ | ~~^~~~~~~~~~~ main.cpp:66:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(int i = 0; i < oy.size(); i++){ | ~~^~~~~~~~~~~