Compilare: main.cpp: In function 'int dfs(int)': main.cpp:15:1: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(minn[nod]) ^~ main.cpp:18:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' for(int i=0;i<v[nod].size();i++) ^~~ main.cpp:18:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~