Compilare: main.cpp: In function 'void dfsTarjan(int)': main.cpp:30:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for (int i = 0; i < adj[u].size(); i++) { | ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:84:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 84 | for (int i = 0; i < componente.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:85:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 85 | for (int j = 0; j < componente[i].size(); j++) { | ~~^~~~~~~~~~~~~~~~~~~~~~