Introduction - If you have any usage issues, please Google them yourself
Question: enter a certain year, a certain day, to judge the day is the next day of the year?
1. program analysis: taking March 5th as an example, we should add up the first two months, and then add the 5 days, the day of the year, and the special day of the year.
In the case of a leap year and the input month is greater than 3, one more day should be considered.