Compilare: user.cpp: In function ‘int main()’: user.cpp:28:10: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fi>>A+1>>B+1; ^ user.cpp:28:15: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fi>>A+1>>B+1; ^ user.cpp: In function ‘int cod(char)’: user.cpp:24:1: warning: control reaches end of non-void function [-Wreturn-type] } ^