Compilare: user.cpp: In function ‘int main()’: user.cpp:11:54: warning: unused variable ‘d1’ [-Wunused-variable] int n, x, y, z, d, s, b, c, x1, y1, z1, p, v, i, d1, ok; ^ user.cpp:128:32: warning: ‘z1’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<x1<<" "<<y1<<" "<<z1; ^ user.cpp:128:21: warning: ‘y1’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<x1<<" "<<y1<<" "<<z1; ^ user.cpp:128:12: warning: ‘x1’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<x1<<" "<<y1<<" "<<z1; ^