怎么用C语言输入一个日期,求该日期是该年的第几天?答: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 i;printf("input year:"); scanf("%d", &yy);printf("input month:"); scanf("%d", &mm);printf("input day:"); scanf("%d",...
怎样用c语言编写以年月日的格式输入一个人的生日和当前日期,来计算这 ...答://计算给定的日期是本年的第几天 int count(int year,int month,int day){int i,sum=0,flag=0;int a[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};for(i=1;i<month;i++)sum=a[i]+sum;if(year%400==0||year%100!=0&&year%4==0)flag=1;if(flag==1&&month>2) ...
C语言转换日期的表示形式答:int main(){int month,b,c;scanf("%d/%d/%d",&month,&b,&c);switch(month){ case 1:printf("Jan,%d,%d\n",b,c);break;case 2:printf("Feb,%d,%d\n",b,c);break;case 3:printf("Mar,%d,%d\n",b,c);break;case 4:printf("Apr,%d,%d\n",b,c);break;case 5:printf("...