Compilare: main.cpp: In function 'int main()': main.cpp:59:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;i++) ^~~ main.cpp:66:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 0; ^~~~~~ main.cpp: In function 'void BFS(int)': main.cpp:27:16: warning: 'vecin' is used uninitialized in this function [-Wuninitialized] if(v[vecin]==0) ~~~~~~~^