/in/foo.cc: In function 'int main()':
/in/foo.cc:14:18: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
  scanf("%I64d",&x);
                  ^
/in/foo.cc:22:20: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
  printf("%I64d\n",l);
                    ^