Eroare de compilare: user.cpp: In function ‘int Root(int)’: user.cpp:11:14: error: ‘x’ was not declared in this scope if (parent[x] == x) ^ user.cpp:14:17: error: ‘x’ was not declared in this scope return parent[x] = root(parent[x]); ^ user.cpp:14:36: error: ‘root’ was not declared in this scope return parent[x] = root(parent[x]); ^ user.cpp: In function ‘int main()’: user.cpp:58:18: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if (root != 0 & root != crr) ^ user.cpp:61:26: error: ‘v’ was not declared in this scope parent[root] = v; ^ user.cpp:72:5: error: ‘out’ was not declared in this scope out << st2.top() << '\n'; ^ user.cpp: In function ‘int Root(int)’: user.cpp:15:1: warning: control reaches end of non-void function [-Wreturn-type] } ^