Compilare: main.cpp: In function 'int main()': main.cpp:46:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for (int i = lastEdge[node]; i < l[node].size(); i++) { | ~~^~~~~~~~~~~~~~~~ main.cpp:59:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 59 | if (sol.size() != m + 1) { | ~~~~~~~~~~~^~~~~~~~ main.cpp:63:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for (int i = 0; i < sol.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~