Eroare de compilare: main.cpp: In function 'void dfs(int)': main.cpp:13:8: error: use of an operand of type 'bool' in 'operator++' is forbidden in C++17 13 | f[x]++; | ~~~^ main.cpp:14:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(int i=0;i<lista[x].size();i++) | ~^~~~~~~~~~~~~~~~ main.cpp:17:35: warning: comparison of constant '-1' with boolean expression is always false [-Wbool-compare] 17 | if(f[nod]==0 or f[nod]==-1) | ~~~~~~^~~~ Non zero exit status: 1