View Compilation Error

0_0_13800019_15797.cpp:2:4: error: stray '#' in program
  2 #include <iostream>
    ^
0_0_13800019_15797.cpp:3:4: error: stray '#' in program
  3 #include <cstdlib>
    ^
0_0_13800019_15797.cpp:4:4: error: stray '#' in program
  4 #include <cstdio>
    ^
0_0_13800019_15797.cpp:5:4: error: stray '#' in program
  5 #define LL __int64
    ^
0_0_13800019_15797.cpp:2:2: error: expected unqualified-id before numeric constant
  2 #include <iostream>
  ^
0_0_13800019_15797.cpp:7:2: error: expected unqualified-id before numeric constant
  7 const int maxn=100001;
  ^
0_0_13800019_15797.cpp:8:2: error: expected unqualified-id before numeric constant
  8 struct node
  ^
0_0_13800019_15797.cpp:12:5: error: 'p' does not name a type
 12 }p[maxn];
     ^
0_0_13800019_15797.cpp:13:1: error: expected unqualified-id before numeric constant
 13 bool cmp(const node a, const node b)
 ^
0_0_13800019_15797.cpp:17:1: error: expected unqualified-id before numeric constant
 17 int main()
 ^