C语言:用户输入年份月份日期,输入该日期是该年的第几天?(要求:用数组...答:include <stdio.h> int main(){ int year,month,day;int days[]={31,28,31,30,31,30,31,31,30,31,30,31};int i=0 , dayth=0;printf("input yyyy-mm-dd :");scanf("%d-%d-%d" , &year , &month, &day );if ( month > 12 || month < 1 ){ printf("input month ...
C语言定义一个结构体变量(包括年、月、日),输入一个日期,计算该日在本...答://希望我的回答对你的学习有帮助#include <stdio.h>struct ymd { int Y,M,D; }; const short MonthDay[]={0,31,28,31,30,31,30,31,31,30,31,30,31}; int YMD_2_JD(int Y, int M, int D){ const short MonthDay[]={0,31,28,31,30,31,30,31,31,30,31,30,31}; ...