PDDJT

说明：  题目：输入某年某月某日，判断这一天是这一年的第几天？ 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 　　　　　　情况，闰年且输入月份大于3时需考虑多加一天。 2.程序源代码：
(Topic: enter a certain day, judgment day is the first few days this year? 1 program analysis: in March 5th, for example, it should be the first two months of the add up, and then 5 days that the first few days of this year, special The situation, and the input is greater than the month considered a leap year plus one day 3. 2 program source code:)