Eroare de compilare: main.cpp: In function 'void df(int, int)': main.cpp:9:5: error: 'niv' was not declared in this scope niv[++nr]=nv; ^~~ main.cpp:9:11: error: 'nr' was not declared in this scope niv[++nr]=nv; ^~ main.cpp:10:5: error: 'vect' was not declared in this scope vect[nr]=nod; ^~~~ main.cpp:11:9: error: 'fst' was not declared in this scope if(!fst[nod]) fst[nod]=nr; ^~~ main.cpp:12:15: error: 'v' was not declared in this scope for(i=0;i<v[nod].size();++i) ^ main.cpp: In function 'int main()': main.cpp:22:8: error: 'n' was not declared in this scope f>>n>>q; ^ main.cpp:22:11: error: 'q' was not declared in this scope f>>n>>q; ^ main.cpp:23:9: error: 'i' was not declared in this scope for(i=1;i<=n;i++) val[i]; ^ main.cpp:23:23: error: 'val' was not declared in this scope for(i=1;i<=n;i++) val[i]; ^~~ main.cpp:24:9: error: 'i' was not declared in this scope for(i=1;i<n;i++) ^ main.cpp:26:12: error: 'x' was not declared in this scope f>>x>>y; ^ main.cpp:26:15: error: 'y' was not declared in this scope f>>x>>y; ^ main.cpp:27:9: error: 'v' was not declared in this scope v[x].push_back(y); ^ main.cpp:28:9: error: 'gr' was not declared in this scope gr[y]++; ^~ main.cpp:30:9: error: 'i' was not declared in this scope for(i=1;i<=n;i++) ^ main.cpp:31:12: error: 'gr' was not declared in this scope if(gr[i]==0) rad=i; ^~ Non zero exit status: 1