Compilare: main.cpp: In function 'int cautbin(int)': main.cpp:50:12: warning: 'ret' may be used uninitialized [-Wmaybe-uninitialized] 50 | return ret; | ^~~ main.cpp:36:9: note: 'ret' was declared here 36 | int ret; | ^~~ main.cpp: In function 'int main()': main.cpp:71:18: warning: 'ret' may be used uninitialized [-Wmaybe-uninitialized] 71 | head ++; | ~~~~~^~ main.cpp:36:9: note: 'ret' was declared here 36 | int ret; | ^~~