Compilare: main.cpp: In function 'void dfs_verif(int)': main.cpp:36:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for (int j=0;j<adj[nod].size();j++) { | ~^~~~~~~~~~~~~~~~ main.cpp:45:35: warning: 'nod_bun' may be used uninitialized [-Wmaybe-uninitialized] 45 | dfs_verif(adj[nod][nod_bun]); | ^ main.cpp:35:24: note: 'nod_bun' was declared here 35 | int suma_crt=0,nod_bun; | ^~~~~~~