View Compilation Error

0_0_13803238_24205.cpp:2:5: error: stray '#' in program
   2 #include <cstdio>
     ^
0_0_13803238_24205.cpp:3:5: error: stray '#' in program
   3 #include <cstring>
     ^
0_0_13803238_24205.cpp:4:5: error: stray '#' in program
   4 #include <cmath>
     ^
0_0_13803238_24205.cpp:5:5: error: stray '#' in program
   5 #include <vector>
     ^
0_0_13803238_24205.cpp:6:5: error: stray '#' in program
   6 #include <algorithm>
     ^
0_0_13803238_24205.cpp:2:3: error: expected unqualified-id before numeric constant
   2 #include <cstdio>
   ^
0_0_13803238_24205.cpp:8:3: error: expected unqualified-id before numeric constant
   8 
   ^
0_0_13803238_24205.cpp:10:2: error: expected unqualified-id before numeric constant
  10 const double Pi=acos(-1.0);
  ^
0_0_13803238_24205.cpp:11:2: error: expected unqualified-id before numeric constant
  11 struct Point
  ^