Compilare: user.cpp: In function ‘int main()’: user.cpp:97:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(ok=1){g<<"\n"<<dr<<" "<<'D'<<"\n"<<st<<" "<<'D';} ^ user.cpp:98:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(ok=2){g<<"\n"<<dr<<" "<<'D'<<"\n"<<st<<" "<<'D';} ^ user.cpp:50:34: warning: ‘dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] st=st+v[i];dr=dr+v[i]; ^