제출 #11498

1
3
I 5
D -1
I 4

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.NullPointerException: Cannot invoke "java.util.Map.put(Object, Object)" because "Main.minMap" is null
	at Main.removeMin(Main.java:149)
	at Main.remove(Main.java:86)
	at Main.main(Main.java:35)

4 4

1
4
I -4
I -2
I 3
D -1

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.NullPointerException: Cannot invoke "java.util.Map.put(Object, Object)" because "Main.maxMap" is null
	at Main.add(Main.java:58)
	at Main.main(Main.java:33)

3 -2

1
5
I 1
I 3
D 1
D 1
I 2

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.NullPointerException: Cannot invoke "java.util.Map.put(Object, Object)" because "Main.maxMap" is null
	at Main.add(Main.java:58)
	at Main.main(Main.java:33)

2 2