題目:輸入某年某月某日,判斷這一天是這一年的第幾天。

題目:輸入某年某月某日,判斷這一天是這一年的第幾天。

方法一:
year=int(input())
month=int(input())
day=int(input())

if month==1:
    count=day
elif month==2:
    count = 31+day
elif (month>=3) and ((year % 4 == 0 and year % 100 != 0) or year % 400 == 0):
    if month==3:
        count = 31+29+day
    if month==4:
        count = 31+29+31+day
    if month == 5:
        count = 31 + 29 + 31 +30+ day
    if month == 6:
        count = 31 + 29 + 31 +30+31+ day
    if month == 7:
        count = 31 + 29 + 31 +30 +31+30+ day
    if month == 8:
        count = 31 + 29 + 31 + 30 +31+30+31+day
    if month == 9:
        count = 31 + 29 + 31 + 30 +31+30+31+31+day
    if month == 10:
        count = 31 + 29 + 31 + 30 +31+30+31+31+30+day
    if month == 11:
        count = 31 + 29 + 31 + 30 +31+30+31+31+30+31+day
    if month == 12:
        count = 31 + 29 + 31 + 30 +31+30+31+31+30+31+30+day

else:
    if month == 3:
        count = 31 + 28 + day
    if month == 4:
        count = 31 + 28 + 31 + day
    if month == 5:
        count = 31 + 28 + 31 + 30 + day
    if month == 6:
        count = 31 + 28 + 31 + 30 + 31 + day
    if month == 7:
        count = 31 + 28 + 31 + 30 + 31 + 30 + day
    if month == 8:
        count = 31 + 28 + 31 + 30 + 31 + 30 + 31 + day
    if month == 9:
        count = 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + day
    if month == 10:
        count = 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + day
    if month == 11:
        count = 31 + 28 + 31 + 30 +31+30+31+31+30+31+day
    if month == 12:
        count = 31 + 28 + 31 + 30 +31+30+31+31+30+31+30+day

print('第'+str(count)+'天')
方法二:
year=int(input())
month=int(input())
day=int(input())
list=[31,60,91,121,152,182,213,244,274,305,335,366]

if month == 1:
    count = day
if (year % 4 == 0 and year % 100 != 0) or year % 400 == 0:
    if month > 1 and month<13:
        count = list[month-2] + day
else:
    if month > 1 and month < 13:
        count = list[month - 2] + day-1
print('第'+str(count)+'天')
運行結果:
1996

4

23

114<span lang="EN-US" style="" font-size:15.0pt;"="">  



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