View Compilation Error

0_0_39168964_22459.cpp:1:3: error: stray '#' in program
    1 | 1 #include<cstdio>
      |   ^
0_0_39168964_22459.cpp:1:1: error: expected unqualified-id before numeric constant
    1 | 1 #include<cstdio>
      | ^
0_0_39168964_22459.cpp:3:2: error: expected unqualified-id before numeric constant
    3 |  3 int father[1001],num[1001];
      |  ^
0_0_39168964_22459.cpp:4:2: error: expected unqualified-id before numeric constant
    4 |  4 void give()
      |  ^
0_0_39168964_22459.cpp:12:1: error: expected unqualified-id before numeric constant
   12 | 12 int _find(int x)
      | ^~
0_0_39168964_22459.cpp:18:1: error: expected unqualified-id before numeric constant
   18 | 18 double x1[1001],x2[1001],y1[1001],y2[1001];
      | ^~
0_0_39168964_22459.cpp:19:1: error: expected unqualified-id before numeric constant
   19 | 19 double a[1001],b[1001];
      | ^~
0_0_39168964_22459.cpp:20:1: error: expected unqualified-id before numeric constant
   20 | 20 int main()
      | ^~