#include<stdio.h>
#include<stdlib.h>
int week(
int year,
int month);
void print(
int year,
int month);
void main()
{
int year,month;
do {
printf("enter year,month (EOF for exit): ");
if(scanf(
"%d%d",&year,&month)==
EOF)
break;
print(year,month);
}while(
1);
system("pause");
}
int week(
int year,
int month)
{
int centry,y,week;
if ( month <
3 )
{
year -=
1;
month +=
12;
}
centry=year/
100;
y=year-centry*
100;
week=(centry/
4)-
2*centry+(y+y/
4)+(
26*(month+
1)/
10);
return (week%
7+
7)%
7;
}
void print(
int year,
int month)
{
int i,n=
week(year,month);
int mon[
12]={
31,
28,
31,
30,
31,
30,
31,
31,
30,
31,
30,
31};
if(year%
400==
0||year%
4==
0&&year%
100!=
0)
mon[1]++
;
printf("Calenda: year-%d,month-%d\n",year,month);
printf("Sun Mon Tue Wed Thu Fri Sat\n");
for(i=
0;i<n;i++
)
printf(" ");
for(i=
1;i<=mon[month-
1];i++
)
{
printf("= ",i);
if((i+n)%
7==
0)
printf("\n");
}
printf("\n\n");
}
转载于:https://www.cnblogs.com/doodle777/p/3154443.html
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