1回答

• 

  阿仕顿

  2020-10-22 11:09:46

  已采纳

  仅供参考，遗漏了switch后面的{ }，“第%d天",year”中的逗号（，）误用了中文格式

  #include <stdio.h>
  int main()
  {
      /* 定义需要计算的日期 */
      int year = 2008;
      int month = 8;
      int day = 8;
      int sum;/*sum是总天数*/
      if(year%4==0||year%400==0)
      {
          switch(month)
    {
              case 1:sum=day;break;
              case 2:sum=31+day;break;
              case 3:sum=60+day;break;
              case 4:sum=91+day;break;
              case 5:sum=121+day;break;
              case 6:sum=152+day;break;
              case 7:sum=182+day;break;
              case 8:sum=213+day;break;
              case 9:sum=244+day;break;
              case 10:sum=274+day;break;
              case 11:sum=305+day;break;
              case 12:sum=335+day;break;
     default:break;
    }
      }
      else
      {
          switch(month)
    {
              case 1:sum=day;break;
              case 2:sum=31+day;break;
              case 3:sum=61+day;break;
              case 4:sum=92+day;break;
              case 5:sum=122+day;break;
              case 6:sum=153+day;break;
              case 7:sum=183+day;break;
              case 8:sum=214+day;break;
              case 9:sum=245+day;break;
              case 10:sum=275+day;break;
              case 11:sum=306+day;break;
              case 12:sum=336+day;break;
     default:break;
    }
      }
      printf("%d年%d月%d日是该年的第%d天",year,month,day,sum);
   return 0;
  }

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