Eroare de compilare: main.cpp: In function 'int unionn(int, int)': main.cpp:23:1: warning: no return statement in function returning non-void [-Wreturn-type] 23 | } | ^ main.cpp: In function 'int main()': main.cpp:49:9: error: 'cout' was not declared in this scope 49 | cout << x << " " << y << "\n"; | ^~~~ main.cpp:3:1: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 2 | #include <vector> +++ |+#include <iostream> 3 | Non zero exit status: 1