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语言问题:键盘输入年月日,输出,该日是该年的第几天答:通过编译了的以下是代码:include<stdio.h> void main(){ int year,month,day;scanf("%d,%d,%d",&year,&month,&day);if((year%4==0&&year%100!=0)||(year%400==0))switch(month){ case 1:printf("the day is %d\n",day);break;case 2:printf("the day is %d\n",31+day);...