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;else m=m+365;} for(j=1;j<b;j++){if(leapyear(c)==1) k=k+cc[...
用c语言编写一程序,用户输入日期,计算该日是今年的第几天答:include"stdio.h"include"stdlib.h"intmain(){ intday,month,year,sum,leap;printf("\npleaseinputyear,month,day\n");scanf("%d,%d,%d",&year,&month,&day);switch(month)/*先计算某月以前月份的总天数*/ { case1:sum=0;break;case2:sum=31;break;case3:sum=59;break;case4:sum=90...