Compilare: main.cpp: In function 'void DFS1(int)': main.cpp:26:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for (int i = 0; i < adj[node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'void DFS2(int)': main.cpp:35:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for (int i = 0; i < adjTrans[node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void transpose()': main.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for (int i = 0; i < adj.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for(int j=0; j<adj[i].size(); j++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:83:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for (int i = 0; i < scc.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:84:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 84 | for (int j = 0; j < scc[i].size(); j++) | ~~^~~~~~~~~~~~~~~