Compilare: main.cpp: In function 'void bfs(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 i=0;i<g[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:48:12: warning: 'nod' may be used uninitialized [-Wmaybe-uninitialized] 48 | bfs(nod); | ~~~^~~~~ main.cpp:21:13: note: 'nod' was declared here 21 | int nod,minim=10000000; | ^~~