爱奇艺笔试编程_奶牛编号

AC了的

public class  cownumber{public static void main(String[] args){Scanner sc=new Scanner(System.in);int  n=sc.nextInt();int[] data=new int[n];for(int i=0;i<n;i++){data[i]=sc.nextInt();}int count = cacu(data);System.out.println(count);}public static int cacu(int[] data){if(data.length==0)return 0;  Arrays.sort(data);int r=1;for(int i=0;i<data.length;i++)  r*=(data[i]-i);  return 0;}  }