活动安排java版

//活动安排问题
public class Activity
{
public static int greedselector(int [] s,int [] f,boolean [] a)
{
int n = s.length - 1;
a [0] = true;
int j = 1;
int count = 1;
for (int i = 1;i <= n;i ++)
{
if (s [i] >= f [j])
  {
   a [i] = true;
   j = i;
   count ++;    
  }
  else a [i] = false;  
        }      
        return count;
}
public static void main(String args [])
{
int count;
int s [] = {1,3,0,5,3,5,6,8,8,2,12};
int f [] = {4,5,6,7,8,9,10,11,12,13,14};
boolean a [] = new boolean [11];
Activity aa = new Activity();
count = aa.greedselector(s,f,a);
System.out.println("共有" + count + "活动可以举行:");