제출 #140909

2 2

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.NullPointerException: Cannot store to int array because "Main.arr" is null
	at Main.func(Main.java:18)
	at Main.main(Main.java:32)

1 1
1 2
2 2

3 3

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.NullPointerException: Cannot store to int array because "Main.arr" is null
	at Main.func(Main.java:18)
	at Main.main(Main.java:32)

1 1 1
1 1 2
1 1 3
1 2 2
1 2 3
1 3 3
2 2 2
2 2 3
2 3 3
3 3 3

4 3

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.NullPointerException: Cannot store to int array because "Main.arr" is null
	at Main.func(Main.java:18)
	at Main.main(Main.java:32)

1 1 1
1 1 2
1 1 3
1 1 4
1 2 2
1 2 3
1 2 4
1 3 3
1 3 4
1 4 4
2 2 2
2 2 3
2 2 4
2 3 3
2 3 4
2 4 4
3 3 3
3 3 4
3 4 4
4 4 4