C语言编程序实现如下功能:输入任意一个日期的年、月、日的值,求出是...答:include <stdio.h> void main (){ int y,m,d,c,s,w;printf("请输入8位年月日,以空格隔开:");scanf("%d%d%d",&y,&m,&d);if (m==1) c=d;else if (m==2) c=31+d;else if (m==3) c=31+28+d;else if (m==4) c=31+28+31+d;else if (m==5) c=31+28+31...
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 ...