Compilare: main.cpp: In function 'int main()': main.cpp:108:10: warning: 'z' may be used uninitialized in this function [-Wmaybe-uninitialized] 108 | char z; | ^ main.cpp:168:35: warning: 'jy' may be used uninitialized in this function [-Wmaybe-uninitialized] 168 | out << ix << " " << jy << '\n'; | ^~~~ main.cpp:168:22: warning: 'ix' may be used uninitialized in this function [-Wmaybe-uninitialized] 168 | out << ix << " " << jy << '\n'; | ^~~