Compilare: main.cpp: In function 'int main()': main.cpp:153:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 153 | while (i < no_child.size() && j < no_parent.size()) | ~~^~~~~~~~~~~~~~~~~ main.cpp:153:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 153 | while (i < no_child.size() && j < no_parent.size()) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:158:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | while (i < no_child.size()) | ~~^~~~~~~~~~~~~~~~~ main.cpp:163:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 163 | while (j < no_parent.size()) | ~~^~~~~~~~~~~~~~~~~~