Compilare: main.cpp: In function 'void afis()': main.cpp:26:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for(int i=0; i<edges.size(); i++){ | ~^~~~~~~~~~~~~ main.cpp:27:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int j=0; j<edges[i].size(); j++){ | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:37:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int i=0; i<edges[node].size(); i++){ | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:49:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(int i=0; i<edges.size(); i++){ | ~^~~~~~~~~~~~~