c语言编程:输入某年某月某日,计算出这一天是该年的第几天?该怎么解答啊...答://输入年月日,输出是该年第几天 include<stdio.h> int sum(int month,int day){ int days[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};int i;for(i=1;i<month;i++)day+=days[i];return(day);} int leap(year){ int leap=0;if((year%4==0&&year%100!=0)||(...
c语言 从键盘输入年份和该年中的第几天,计算并输出该天的日期答:int Month[12]={31,28,31,30,31,30,31,31,30,31,30,31};printf("Input the year and day:\n");scanf("%d",&year);scanf("%d",&day);if( (year%4!=0) ||( (year%100==0)&& (year%400!=0)))leap=0;//不是闰年 else leap=1;//是闰年 If(leap==1)month[1]=29;/...
C++: 输入一个数判断它的月份答:unsigned char daynumNoleap[]={31,28,31,30,31,30,31,31,30,31,30,31};void main(void){int month=0,daynumtemp=0,leap,daynum,daycnt=0;printf("请输入当年是否闰年,1表示当年是闰年,0表示当年不是闰年:\n");scanf("%d",&leap);printf("请输入你所需换算的天数:\n");...
求编一个C语言程序,除4、100、400来求是闰年还是平年,开始条件已经定了...答:m=month_day(year,n,&month,&day);if(m==-1)printf("bad result\n");else printf("%d年的第%d天是%d月%d日\n",year,n,month,day);return 0;} int day_of_year(int year,int month,int day){ int i;int pdays=0;int leap;if(year<1752||month<1|month>12||day<1)return -...