Compilare: main.cpp: In function 'int main()': main.cpp:59:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for (int i = 0; i < edges.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp:76:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for (int j = 0; j < toErase.size(); ++j) { | ~~^~~~~~~~~~~~~~~~ main.cpp:82:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for (int i = 0; i < ans.size(); ++i) | ~~^~~~~~~~~~~~