题解 | 计算一年中的第几天
计算一年中的第几天
https://www.nowcoder.com/practice/178aa3dafb144bb8b0445edb5e9b812a
import sys
from datetime import datetime
for line in sys.stdin:
a = line.split()
d1=datetime(int(a[0]),int(a[1]),int(a[2]))
d0=datetime(int(a[0]),1,1)
print((d1-d0).days+1)