0xKD

#include <iostream>
#define ROUND(a) ((int)(a + 0.5))

using namespace std;

int drawDDA(int x1,int y1,int x2,int y2)
{
  float x = x1, y = y1;
	int len = (x2-x1)>(y2-y1)?(x2-x1):(y2-y1);
	float dx = (x2-x1)/(float)len;