题解 | 计算日期到天数转换

s= list(map(int, input().split()))
year=s[0]
mon=s[1]
day=s[2]
pin_day={1:31,2:28,3:31,4:30,5:31,6:30,7:31,8:31,9:30,10:31,11:30,12:31}
run_day={1:31,2:29,3:31,4:30,5:31,6:30,7:31,8:31,9:30,10:31,11:30,12:31}
c_d=0
if year%400==0:
    for i in range(1,mon):
        c_d+=run_day[i]
elif year%4==0 and year%100!=0:
    for i in range(1,mon):
        c_d+=run_day[i]
else:
    for i in range(1,mon):
        c_d+=pin_day[i]
c_d+=day
print(c_d)