Eroare de compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:25:9: error: ‘viz’ was not declared in this scope viz[nod]=1; ^ user.cpp:26:13: error: ‘nr’ was not declared in this scope v[++nr]=nod; ^ user.cpp:29:11: error: ‘sol’ was not declared in this scope sol[++pos][c2-i+1]=v[i]; ^ user.cpp:29:17: error: ‘pos’ was not declared in this scope sol[++pos][c2-i+1]=v[i]; ^ user.cpp:30:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<A[nod].size();j++) ^