Compilare: user.cpp: In function ‘int main()’: user.cpp:10:23: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long unsigned int*’ [-Wformat=] fscanf (f,"%d%d",&a,&b); ^ user.cpp:10:23: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘long unsigned int*’ [-Wformat=] user.cpp:10:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (f,"%d%d",&a,&b); ^