Compilare: user.cpp: In function ‘void completare()’: user.cpp:21:21: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(s[p]>='0' && s[p]<='9' || s[p]>='A' && s[p]<='Z') ^ user.cpp: In function ‘void folder()’: user.cpp:53:29: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(s[p]>='0' && s[p]<='9' || s[p]>='a' && s[p]<='z') ^ user.cpp:31:11: warning: unused variable ‘nr’ [-Wunused-variable] int i,nr,a,j; ^ user.cpp: In function ‘int main()’: user.cpp:77:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<strlen(s); i++) ^ user.cpp:81:29: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(s[i]>='0' && s[i]<='9' || s[i]>='a' && s[i]<='z') ^