Compilare: user.cpp: In function ‘int main()’: user.cpp:15:23: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[2000002]’ [-Wformat=] scanf("%s%s",&a,&b); ^ user.cpp:15:23: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[2000002]’ [-Wformat=]