Compilare: user.cpp: In function ‘int main()’: user.cpp:18:25: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[2000003]’ [-Wformat=] scanf("%s\n%s",&a,&b); ^ user.cpp:18:25: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[2000002]’ [-Wformat=]