29days

21if(moon>12||day>31||moon==2&&day>days[1]||moon==4&&day>30||moon==6&&day>30||moon==9&&day>30||moon==11&&day>30)22{ 23printf("输入错误，请重新输入\n");24gotoloop;//输入数据错误检查 25} 26days[0]=31;27days[2]=31;28days[3]=30;29days[4]=31;30days[5]=...