Compilare: main.cpp: In function 'void DFS(int, std::vector<std::vector<int> >&, bool*)': main.cpp:22:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int i=0;i<adj[node].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void FillStack(int, std::vector<std::vector<int> >&, bool*, std::stack<int>&)': main.cpp:34:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(int i=0;i<adj[node].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void GetSCCs(std::vector<std::vector<int> >&, int)': main.cpp:62:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for(int j=0;j<adj[i].size();j++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:101:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 101 | for(int i=0;i<scc.size();i++) | ~^~~~~~~~~~~