Compilare: main.cpp: In function 'void afis()': main.cpp:27:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int i=0; i<edges.size(); i++){ | ~^~~~~~~~~~~~~ main.cpp:28:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for(int j=0; j<edges[i].size(); j++){ | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void bfs(int)': 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 i=0; i<edges[node].size(); i++){ | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:58:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(int i=0; i<edges.size(); i++){ | ~^~~~~~~~~~~~~ main.cpp:55:9: warning: unused variable 'comp_conex' [-Wunused-variable] 55 | int comp_conex=0; | ^~~~~~~~~~