import java.util.Arrays;
public class Solution {
    public boolean isContinuous(int [] numbers) {
        if(numbers.length==0||numbers==null)
            return false;
        int length=numbers.length;
        int ZeroOfNumber=0;
        int IntervalOfNumber=0;
        Arrays.sort(numbers);
        for(int i=0;i<length-1;i++){
            if(numbers[i]==0){
                ZeroOfNumber++;
                continue;
            }
            
            if(numbers[i]==numbers[i+1])
                return false;
            
            IntervalOfNumber+=numbers[i+1]-numbers[i]-1;
            
        }
        if(ZeroOfNumber>=IntervalOfNumber){
            return true;
        }
       return false;
    }
}