万年历的C语言编法答:char bb[8][8]={"星期日","星期一","星期二","星期三","星期四","星期五","星期六"};ww(int a,int b,int c){ int n=0,m=0,i,j,k=0;for(i=1;i<c;i++){ if(leapyear(i)==1)m=m+366;...
用c 语言编写程序:根据输入的年、月、日,求出该日是这一年中的第几天...答:没有判断输入不合常识的情况 include<stdio.h> include<string.h> include<stdlib.h> int main(){ int a[12] = {31,28,31,30,31,30,31,31,30,31,30,31};printf("请输入年月日(YYYY-MM-DD):");char s[...