제출 #27747

4
2
3
1
4

NO

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+
-
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-
-
+
-

5
1
2
4
3
5

NO

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-
+
-
+
+
-
-
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-

5
1
3
2
4
5

NO

+
-
+
+
-
-
+
-
+
-

3
3
1
2

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "java.util.ArrayDeque.peekLast()" is null
	at Main.main(Main.java:22)

NO

2
1
2

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.NumberFormatException: Cannot parse null string
	at java.base/java.lang.Integer.parseInt(Integer.java:630)
	at java.base/java.lang.Integer.parseInt(Integer.java:786)
	at Main.main(Main.java:12)

+
-
+
-

2
2
1

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.NumberFormatException: Cannot parse null string
	at java.base/java.lang.Integer.parseInt(Integer.java:630)
	at java.base/java.lang.Integer.parseInt(Integer.java:786)
	at Main.main(Main.java:21)

+
+
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