View Compilation Error

0_0_29296315_18164.cpp:1:3: error: stray '#' in program
 1.#include<stdio.h>
   ^
0_0_29296315_18164.cpp:2:3: error: stray '#' in program
 2.#include<string.h>
   ^
0_0_29296315_18164.cpp:3:3: error: stray '#' in program
 3.#define N 2010
   ^
0_0_29296315_18164.cpp:4:3: error: stray '#' in program
 4.#define K 510
   ^
0_0_29296315_18164.cpp:1:1: error: expected unqualified-id before numeric constant
 1.#include<stdio.h>
 ^
0_0_29296315_18164.cpp:6:1: error: expected unqualified-id before numeric constant
 6.char virt[N];//一个无实意的参数
 ^
0_0_29296315_18164.cpp:7:1: error: expected unqualified-id before numeric constant
 7.int gcd(int a,int b)
 ^
0_0_29296315_18164.cpp:11:1: error: expected unqualified-id before numeric constant
 11.int divide(char *str,int n,char *s)//str / n = s,return str%n
 ^