Compilare: user.cpp: In function ‘int main()’: user.cpp:38:21: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[2001]’ [-Wformat=] fscanf(f,"%s",&a[1]); ^ user.cpp:44:24: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[2001]’ [-Wformat=] {fscanf(f,"%s",&a[i]);} ^ user.cpp:35:8: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp:36:7: warning: unused variable ‘x’ [-Wunused-variable] char x; ^