Compilare: user.cpp: In function ‘int main()’: user.cpp:9:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int’ [-Wformat=] fscanf(f,"%d\n",a); ^ user.cpp:10:17: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int’ [-Wformat=] fscanf(f,"%d",b); ^ user.cpp:9:20: warning: ‘a’ is used uninitialized in this function [-Wuninitialized] fscanf(f,"%d\n",a); ^ user.cpp:10:18: warning: ‘b’ is used uninitialized in this function [-Wuninitialized] fscanf(f,"%d",b); ^