Solved by bongsky11

#	Title	# Solved	Avg. Tries
10718	We love kriii STANDARD	183,079	1.53
10828	스택	78,625	2.61
10869	사칙연산 STANDARD	233,106	2.24
10988	팰린드롬인지 확인하기	52,640	1.64

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