Compilare: user.cpp: In function ‘void ad(char*, int, int)’: user.cpp:47:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(s[it]>='A' && s[it] <= 'Z') ^ user.cpp:56:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(s[it]>='A' && s[it] <= 'Z') ^ user.cpp: In function ‘int ind(char)’: user.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type] } ^