Compilare: In function 'void Union(int, int)', inlined from 'int main()' at main.cpp:53:30: main.cpp:13:10: warning: 'a' may be used uninitialized [-Wmaybe-uninitialized] 13 | t[y] = x; | ~~~~~^~~ main.cpp: In function 'int main()': main.cpp:43:20: note: 'a' was declared here 43 | int d, a, b; | ^