求一个用c语言编写的万年历程序答:int y,w;//y年,w存储该年的1月1日是星期几 int i,a,d;int m[13] = {0,31,28,31,30,31,30,31,31,30,31,30,31};//存储每月的天数,如m[3] = 31;表示3月份有31天 char title[] = "Sun Mon Tue Wed Thu Fri Sat ";//打印标题 while(1)//循环接收用户输入的年份...
急~~~为什么我用C语言和蔡勒公式写的算某一天是星期几的程序总是不对...答:include<stdio.h> int main(){ int k,W,y,M,d,c;printf("请输入年月日,按照20 20 6 21的格式输入(示例为2020年6月21日,)程序将输出是星期几\n");scanf("%d%d%d",&c,&y,&M,&d);if(M<13&&M>0&&d<32&&d>0){ W=y+y/4+c/4-2*c+26*(M+1)/10+d-1;k=W%7;} ...
c语言编程题答:include <stdio.h>int main(){int i,year,month,day,w=6,mon[13]={0,31,28,31,30,31,30,31,31,30,31,30,31}; char week[7][4]={"Sun","Mon","Tue","Wed","Thu","Fri","Sat"}; scanf("%d%d%d",&year,&month,&day); mon[2]+=(year%4==0&&year%100||year%400=...