Question

C++编程，定义一个表示日期的结构体类型，确定它是本年度的第几天

C++编程，定义一个表示日期的结构体类型，确定它是本年度的第几天要利用函数int IsLeapYear(strucrmt date)
定义求第几天的函数:int Dayth(struct date)
判断输入日期是否合法的函数:int judge(struct date)急~大神帮帮忙

Answer 1

#includevoidmain(){intyear,month,day,flag;scanf("%d-%d-%d",&year,&month,&day);if(year%4==0&&(year%100!=0||year%400==0))flag=1;elseflag=0;day++;if(month==1||month==3||month==5||month==7||month==8||month==10||month==12){if(day>31){month=month+1;{if(month>12){year=year+1;month=month-12;}}day=day-31;}}elseif(month==4||month==6||month==9||month==11){if(day>30){month=month+1;{if(month>12){year=year+1;month=month-12;}}day=day-30;}}else{if(flag==1){if(day>29){month=month+1;day=day-29;}}else{if(day>28){month=month+1;day=day-28;}}}printf("%d-%d-%d\n",year,month,day);}