Solved by hongzda

#	Title	# Solved	Avg. Tries
12865	평범한 배낭 STANDARD	39,056	2.74
13163	닉네임에 갓 붙이기	2,358	1.49
13322	접두사 배열	928	1.64
15552	빠른 A+B STANDARD	134,773	2.20
16515	Euler’s Number	161	1.56

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