/in/foo.cc: In function 'int main()':
/in/foo.cc:25:33: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'long long int' [-Wformat=]
   read(a[i]),printf("%ld\n",a[i]);
                                 ^
/in/foo.cc:30:22: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'long long int' [-Wformat=]
   printf("%ld\n",b[i]);
                      ^