Eroare de compilare: main.cpp: In function 'void union_sets(int, int)': main.cpp:14:16: error: 'a' was not declared in this scope 14 | x=find_set(a); | ^ main.cpp:15:16: error: 'b' was not declared in this scope 15 | y=find_set(b); | ^ main.cpp: In function 'int main()': main.cpp:35:13: error: 'union_set' was not declared in this scope; did you mean 'union_sets'? 35 | union_set(x,y); | ^~~~~~~~~ | union_sets Non zero exit status: 1