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Column Pattern Coincidence 4
题目
Nine binary columns each record a 3-day sign pattern. Show that two columns have exactly the same pattern.
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
题目
Nine binary columns each record a 3-day sign pattern. Show that two columns have exactly the same pattern.
解题计时
0:00
提交作答时记录，用于后续平均用时统计。