Compilare: user.cpp: In function ‘int main()’: user.cpp:23:32: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(x==0 || y==0 || z==0 && k<=n){ ^ user.cpp:62:32: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(x==0 || y==0 || z==0 && k<=n){ ^ user.cpp:101:32: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(x==0 || y==0 || z==0 && k<=n){ ^