怎么用C语言输入一个日期,求该日期是该年的第几天?答:我大概给个思路,代码是现写的 没调试先定义每个月的天数,2月按28天算输入年月日后,根据年判断是否闰年(闰年加1天),再从1月加到当月的前一月,再加上日期就可以了#include <stdio.h>int month[12] = {31,28,31,30,31,30,31,31,30,31,30,31};main(){int yy,mm,dd, days;int ...
C语言输入年份月份,输出天数。答:include <stdio.h>main(){int year,day,d,month,leap;int i;int Month[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};printf("输入年份:\n");scanf("%d",&year);printf("输入月份:\n");scanf("%d",&month);if( (year%4!=0) ||( (year%100==0)&& (year%400!=0))...
C语言循环结构求教从键盘上输入年、月、日,计算自当年元旦到这个日期...答:day,i,sum;scanf("%d",&year);scanf("%d",&month);scanf("%d",&day);if(isLeapYear(year))days[1]=29;sum=0;for(i=0,i<month-1;i++)sum+=days[i];sum+=(day-1);printf("从%d年1月1日到%d年%d月%d日总共有%d天\n",year,year,month,day,sum);} 求采纳,不懂可追问。
用c语言编程,输入今天日期y(年),m(月),d(日),输出明天的日期答:include <stdio.h> int main(){ int year,month,day;int maxdays[]={31,28,31,30,31,30,31,31,30,31,30,31};printf("请输入年月日,中间用空格隔开!\n");scanf("%d %d %d",&year,&month,&day);if(year%400==0 || (year%4==0 && year%100!=0)) maxdays[1]=29;//闰年...