Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:21:5: error: ‘r’ was not declared in this scope r ^ user.cpp:22:5: error: expected ‘;’ before ‘for’ for(int i = 1; i <= n; ++i) ^ user.cpp:22:20: error: ‘i’ was not declared in this scope for(int i = 1; i <= n; ++i) ^ user.cpp:22:31: error: expected ‘;’ before ‘)’ token for(int i = 1; i <= n; ++i) ^ user.cpp: In function ‘void Union(int, int)’: user.cpp:71:9: warning: unused variable ‘rx’ [-Wunused-variable] int rx = Find(x); ^ user.cpp:72:9: warning: unused variable ‘ry’ [-Wunused-variable] int ry = Find(y); ^