Compilare: In function 'nod* unite(pNod, pNod)', inlined from 'nod* unite(pNod, pNod)' at main.cpp:18:13, inlined from 'nod* addVal(pNod, int)' at main.cpp:26:64, inlined from 'int main()' at main.cpp:38:28: main.cpp:22:5: warning: 'j' may be used uninitialized [-Wmaybe-uninitialized] 22 | if(A->val<B->val)swap(A,B); | ^~ main.cpp: In function 'int main()': main.cpp:37:17: note: 'j' was declared here 37 | int t,i,j;Int(t);Int(i);if(t&1)Int(j); | ^