Solved by risayu

#	Title	# Solved	Avg. Tries
2739	구구단 STANDARD	199,542	1.98
2741	N 찍기 STANDARD	138,789	1.74
2742	기찍 N	117,851	1.45
8393	Sum STANDARD	169,635	1.56
10950	A+B - 3 STANDARD	169,134	1.71
15552	빠른 A+B STANDARD	131,625	2.20

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