题解 | #扑克牌顺子#

import java.util.*;
public class Solution {
    public boolean IsContinuous(int [] numbers) {
         Set<Integer>  repeat = new HashSet<Integer>();
          int max = 0 , min = 14;
          for (int num: numbers){
              if (num == 0 ) continue;;
              max = Math.max(max,num);
              min = Math.min(min,num);
//              若有重复 则提前返回FALSE
              if (repeat.contains(num)) return  false;
              repeat.add(num);
          }

          return max - min < 5;
    }
}