Compilare: main.cpp: In function 'int main()': main.cpp:91:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for (int i = 0; i < components.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:111:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 111 | for (int i = 0; i < components.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:114:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 114 | for (int i = 0; i < order.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:132:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 132 | for (int i = 0; i < components.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~