#include struct data_type{
int year;
int month;
int day;}data;void main(){int sum,leap;printf("\nplease input year,month,day\n");scanf("%d,%d,%d",&data.year,&data.month,&data.day);switch(data.month)/*先计算某月以前月份的总天数*/ {case 1:sum=0;break;case 2:sum=31;break;case 3:sum=59;break;case... |
