Compilare: main.cpp: In function 'int main()': main.cpp:163:21: warning: 'z' may be used uninitialized [-Wmaybe-uninitialized] 163 | out << z << '\n'; | ^~~~ main.cpp:108:10: note: 'z' was declared here 108 | char z; | ^ main.cpp:162:42: warning: 'jy' may be used uninitialized [-Wmaybe-uninitialized] 162 | out << ix << " " << jy << " " << '\n'; | ^~~~ main.cpp:107:19: note: 'jy' was declared here 107 | int sccv=0,ix,jy; | ^~ main.cpp:162:22: warning: 'ix' may be used uninitialized [-Wmaybe-uninitialized] 162 | out << ix << " " << jy << " " << '\n'; | ^~~ main.cpp:107:16: note: 'ix' was declared here 107 | int sccv=0,ix,jy; | ^~