Compilare: user.cpp: In function ‘int main()’: user.cpp:14:26: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[2000000]’ [-Wformat=] fscanf(f,"%s%s",&a,&b); ^ user.cpp:14:26: warning: format ‘%s’ expects argument of type ‘char*’, but argument 4 has type ‘char (*)[2000000]’ [-Wformat=]