View Compilation Error

0_0_38684518_1381.cpp:147:14: error: expected unqualified-id before 'long'
  147 | #define long long ll
      |              ^~~~
0_0_38684518_1381.cpp:152:6: note: in expansion of macro 'long'
  152 | std::long long f[N], inf[N];
      |      ^~~~
0_0_38684518_1381.cpp:204:1: error: 'll' does not name a type
  204 | ll ksm(ll a, ll b, ll p)
      | ^~
0_0_38684518_1381.cpp: In function 'void inin()':
0_0_38684518_1381.cpp:227:17: error: 'ksm' was not declared in this scope
  227 |     inf[1000] = ksm(f[1000], mod - 2, mod);
      |                 ^~~