View Compilation Error

0_0_30230842_6249.cpp:1:2: error: expected unqualified-id before numeric constant
  1 int t,n,ans,mp[405];
  ^
0_0_30230842_6249.cpp:2:2: error: expected unqualified-id before numeric constant
  2 bool f;
  ^
0_0_30230842_6249.cpp:3:2: error: expected unqualified-id before numeric constant
  3 struct node
  ^
0_0_30230842_6249.cpp:6:5: error: 'p' does not name a type
  6 }p[205];
     ^
0_0_30230842_6249.cpp:7:2: error: expected unqualified-id before numeric constant
  7 bool cmp(node a,node b)
  ^
0_0_30230842_6249.cpp:11:1: error: expected unqualified-id before numeric constant
 11 int main()
 ^