写一个程序,提示用户输入年、月、日,程序计算并输出该日是该年的第几...答://(1)不是世纪年,能被4整除并且不能被100整除;(2)世纪年,能被400整除 return true;else return false;} int main() { int year = 0, month = 0, day = 0;int howmanydays = 0;scanf("%d,%d,%d", &year, &month, &day);if (month < 3)//月份小于2 printf("%d\n", ...
输入日期(年、月、日),输出它是该年的第几天答:day_of_year(year,month,day);scanf("%d%d%d",&year,&month,&day);b=day_of_year(year,month,day);printf("days of year: %d",b);printf("\n");} int day_of_year(int year,int month,int day){ int i,j,c=0,sum=0;if(year%100!=0&&year%4==0||year%400==0)c=1;fo...