大佬,能帮忙用devc++编个c语言程序,输入年月日,天数n,输出n天后的年月...答:/**程序描述:输入年月日,天数n,输出n天后的年月日。*/#include <stdio.h>typedef struct Date{int year;int month;int day;}Date;int days[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};int IsLeapYear(int year);void ListDate(Date now, int diff);void main(...