1、判断输入年份的生肖

2、QPSK和QDPSK的调制仿真系统

3、输入学生管理系统界面

4、根据用户的消费确定赠品

5、对输入有效的3个数进行排序

6、判断输入的年份是否是闰年

7、判断输入日期是第一年中的第几天-1, the judge enter the year of the zodiac 2, QPSK modulation and QDPSK simulation system 3, enter the student management system interface 4, according to the consumer to determine the user' s gift 5, the number of the input valid three sorts 6, to determine whether the year entered Leap Year 7, enter the date judgment is the first year in the first few days