鍒ゆ柇涓€缁勬暟瀛楋紝鏄惁杩炵画

Posted 2021-01-12

鏍囩锛?a href='http://www.mamicode.com/so/1/lag' title='lag'>lag   sys   鏂规硶   eve   void   false   i++   shuffle   oid   

 1 public class Demo {
 2     public static void main(String[] args) {
 3         List list = Arrays.asList(5,2,3,1,9);
 4         int N = list.size();
 5         int t = 0;
 6         Collections.sort(list);
 7 //        Collections.reverse(list); 閫嗗簭
 8 //        Collections.shuffle(list); 闅忔満
 9         boolean flag = true;
10         for(int i=0; i<list.size()-1 ; i++){
11             int a = (int)list.get(i+1);
12             int b = (int)list.get(i);
13             int c = a - b;
14             if(c != 1){
15                 flag = false;
16                 System.out.print("鏁板瓧涓嶈繛缁摝");
17                 break;
18             }
19         }
20         System.out.println(flag);
21     }
22 }

Collections绫婚噷濂藉鏂规硶锛屽叿浣擄紝鑷繁璇籄PI鍚?/pre>