Compilare: main.cpp: In function 'void bfs(int)': main.cpp:63:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<NOD>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for (int k = 0; k < edges[node].size(); k++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:65:17: warning: unused variable 'nextnode' [-Wunused-variable] 65 | int nextnode = edges[node][k].nod; | ^~~~~~~~ main.cpp:66:17: warning: unused variable 'nextdist' [-Wunused-variable] 66 | int nextdist = edges[node][k].dist; | ^~~~~~~~