Day of week - 九度教程第7題

Day of week - 九度教程第7題 題目 時間限制：1 秒 內存限制：32 兆 特殊判題：否 題目描述： We now use the Gregorian style of dating in Russia. The leap years are years with number divisible by 4 but not divisible by 100, or divisible

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