Solved by dlsxo4826

#	Title	# Solved	Avg. Tries
2018	Herd Sums	10,029	2.05
2557	Hello World STANDARD	358,620	2.54
11720	숫자의 합 STANDARD	131,519	1.78
11726	2×n 타일링	56,302	2.71

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