23 lines
627 B
Python
23 lines
627 B
Python
'''题目：输入某年某月某日，判断这一天是这一年的第几天？
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1.程序分析：以3月5日为例，应该先把前两个月的加起来，然后再加上5天即本年的第几天，特殊
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情况，闰年且输入月份大于3时需考虑多加一天。
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2.程序源代码：
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'''
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year = int(raw_input('year:\n'))
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month = int(raw_input('month:\n'))
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day = int(raw_input('day:\n'))
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months = (0,31,59,90,120,151,181,212,243,273,304,334)
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if 0 <= month <= 12:
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sum = months[month - 1]
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else:
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print 'data error'
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sum += day
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leap = 0
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if (year % 400 == 0) or ((year % 4 == 0) and (year % 100 != 0)):
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leap = 1
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if (leap == 1) and (month > 2):
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sum += 1
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print 'it is the %dth day.' % sum
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