1 #include <iostream> 2 3 4 extern char k []; 5 6 class foo 7 { 8 public: foo(char * m)9 foo (char *m) { m [40] = 20; } 10 }; 11 12 13 foo f1 (k); 14 foo f2 (k); 15 foo f3 (k); 16 main()17 int main () 18 { 19 return 0; 20 } 21