Compilare: main.cpp: In function 'int main()': main.cpp:40:19: warning: 'parent' may be used uninitialized [-Wmaybe-uninitialized] 40 | while (parent != -1) { | ~~~~~~~^~~~~ main.cpp:28:15: note: 'parent' was declared here 28 | int Size, parent; | ^~~~~~ main.cpp:36:21: warning: 'Size' may be used uninitialized [-Wmaybe-uninitialized] 36 | fout << Size << '\n'; | ^~~~ main.cpp:28:9: note: 'Size' was declared here 28 | int Size, parent; | ^~~~