C++程序:给出年月日,计算该日是该年的第几天答:void main(){ int year, month, day;int days;printf("请输入日期(年,月,日):");scanf("%d, %d, %d", &year, &month, &day);printf("%d年%d月%d日", year, month, day);days = sum_day(month, day);if(leap(year) && month>=3)days = days + 1;printf("是该年的第%d...
...计算这个日期是这一年的第几天。(保证测试用例为合法日期答:month,day,n=0,a[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};scanf("%d/%d/%d",&year,&month,&day);if((year%4==0&&year%100)||year%400==0) a[2]=29;for(i=0;i<=month-1;i++) n+=a[i];printf("这个日期是%d年的第%d天。",year,n+day);} 运行示例: