제출 #49606

4 9 2 7
7
7
3
4

null 2 null null null
3

3

5 6 4 3
3
3
6
2
5

1 null null null null
4

4

6 7 2 4
3
3
2
6
3
6

null null null null null
2

3

2 4 2 4
2
1

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 2
	at Main.main(Main.java:69)

3

2 8 2 5
2
6

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 2
	at Main.main(Main.java:69)

3

3 2 3 2
1
2
1

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 3
	at Main.main(Main.java:69)

2