int main()
{
int day,month,year,sum;
printf("Pleas input year,month,day\n");
scanf("%d%d%d",&year,&month,&day);
switch(month)
{
case 1:sum=0;break;
case 2:sum=31;break;
case 3:sum=59;break;
case 4:sum=90;break;
case 5:sum=120;break;
case 6:sum=151;break;
case 7:sum=181;break;
case 8:sum=212;break;
case 9:sum=243;break;
case 10:sum=273;break;
case 11:sum=304;break;
case 12:sum=334;break;
default:break;
}
sum=sum+day;
if(month>2&&(year%400==0||year%4==0&&year%100!=0))
++sum;
printf("It is the %dth day.",sum);
return 0;
}
int main(){
int day,month,year,sum;
printf_s("请输入年月日:(用逗号分隔)",year,month,day);
scanf("%d,%d,%d",&year,&month,&day);
switch(month) {
case 1:sum = 0;
break;
case 2:sum = 31;
break;
case 3:sum = 59;
break;
case 4:sum = 90;
break;
case 5:sum = 120;
break;
case 6:sum = 151;
break;
case 7:sum = 181;
break;
case 8:sum = 212;
break;
case 9:sum = 243;
break;
case 10:sum = 273;
break;
case 11:sum = 304;
break;
case 12:sum = 334;
break;
default:break;
}
sum = sum + day;
if(month>2&&(year%400==0||year%4==0&&year%100!=0))
++sum;
printf("It is the %dth day.\n", sum);
system("pause");
return 0;
}
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