#include<iostream>
using namespace std;
struct Diem
{
	float X;
	float Y;
};
typedef struct Diem DIEM;

struct Node
{
	DIEM data;
	struct Node* pNext;
};
typedef struct node NODE;

struct list
{
	NODE* pHead;
	NODE* pTail;
};
typedef struct list LIST;

Line 18: error: iostream: No such file or directory
Line 2: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'namespace'