Compilare: user.cpp:1:19: warning: extra tokens at end of #include directive [enabled by default] #include <stdio.h>; ^ user.cpp: In function ‘int main()’: user.cpp:30:36: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(g,"%ld\n",x); ^ user.cpp:33:30: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(g,"%ld\n",y); ^ user.cpp:24:19: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&N); ^