/in/foo.cc: In function 'int main()':
/in/foo.cc:17:18: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long int*' [-Wformat=]
     scanf("%d",&x);
                  ^
/in/foo.cc:29:20: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long int' [-Wformat=]
     printf("%d", no);
                    ^