Compilare: main.cpp: In function 'void DFS1(int)': main.cpp:18:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i = 0; i < adj[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void DFS2(int, int)': main.cpp:30:22: 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 < revAdj[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:73:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(i = 0; i < components.size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:75:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(j = 0; j < components[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~