Eroare de compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:49:39: error: ‘nod’ was not declared in this scope for(vector <int> :: iterator it=v[nod].begin();it!=v[nod].end();++it) if(!viz[*it]) dfs(*it); ^ user.cpp: In member function ‘char InParser::read_ch()’: user.cpp:13:38: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, 4096, fin); ^