제출 #19554

n
1
B

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.StringIndexOutOfBoundsException: index -1, length 1
	at java.base/java.lang.String.checkIndex(String.java:4565)
	at java.base/java.lang.AbstractStringBuilder.deleteCharAt(AbstractStringBuilder.java:970)
	at java.base/java.lang.StringBuffer.deleteCharAt(StringBuffer.java:486)
	at Main.main(Main.java:30)

x
1
P n

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.StringIndexOutOfBoundsException: start 1, end 0, length 1
	at java.base/java.lang.AbstractStringBuilder.checkRangeSIOOBE(AbstractStringBuilder.java:1810)
	at java.base/java.lang.AbstractStringBuilder.delete(AbstractStringBuilder.java:917)
	at java.base/java.lang.StringBuffer.delete(StringBuffer.java:475)
	at Main.main(Main.java:36)

xn

r
1
P n

런타임 에러 (RTE)
stderr:
 Exception in thread "main" java.lang.StringIndexOutOfBoundsException: start 1, end 0, length 1
	at java.base/java.lang.AbstractStringBuilder.checkRangeSIOOBE(AbstractStringBuilder.java:1810)
	at java.base/java.lang.AbstractStringBuilder.delete(AbstractStringBuilder.java:917)
	at java.base/java.lang.StringBuffer.delete(StringBuffer.java:475)
	at Main.main(Main.java:36)

rn