#include <stdio.h>
int JgYr(int yr)
{
if (yr%4==0&&yr%100!=0¦¦yr%100==0&&yr%400==0)
return 1;
else
return 0;
}
int CalWkd(int yr,int mth)
{
int ds=0,i,rst,wkd;
int mthd[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
if (JgYr(yr))
mthd[2]=29;
for (i=1;i<mth;i++)
ds+=mthd[i];
ds+=1;
rst=yr-1+(int)((yr-1)/4)-(int)((yr-1)/100)+(int)((yr-1)/400)+ds;
wkd=rst%7;
return wkd;
}
showcld(int wkd,int mtd)
{
int dt=1,i,j=0;
printf("Sun\tMon\tTue\tWed\tThu\tFri\tSat\n");
for (i=0;i<wkd;i++)
{
printf("\t");
j++;
}
while (j!=7)
{
printf("%d",dt);
if (j<6)
printf("\t");
else
printf("\n");
dt++;
j++;
}
while (1)
{
for (j=0;j<7;j++)
{
printf("%d",dt);
if (j!=6)
printf("\t");
else
printf("\n");
if (dt!=mtd)
dt++;
else
return 0;
}
}
}
int main()
{
int yr,mth,mtd,wkd,mthd[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
printf("Input the Year and Month(Year-Month):");
scanf("%d-%d",&yr,&mth);
if (yr<0¦¦mth<1¦¦mth>12)
return 0;
if (JgYr(yr))
mthd[2]=29;
mtd=mthd[mth];
wkd=CalWkd(yr,mth);
showcld(wkd,mtd);
return 0;
}
int JgYr(int yr)
{
if (yr%4==0&&yr%100!=0¦¦yr%100==0&&yr%400==0)
return 1;
else
return 0;
}
int CalWkd(int yr,int mth)
{
int ds=0,i,rst,wkd;
int mthd[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
if (JgYr(yr))
mthd[2]=29;
for (i=1;i<mth;i++)
ds+=mthd[i];
ds+=1;
rst=yr-1+(int)((yr-1)/4)-(int)((yr-1)/100)+(int)((yr-1)/400)+ds;
wkd=rst%7;
return wkd;
}
showcld(int wkd,int mtd)
{
int dt=1,i,j=0;
printf("Sun\tMon\tTue\tWed\tThu\tFri\tSat\n");
for (i=0;i<wkd;i++)
{
printf("\t");
j++;
}
while (j!=7)
{
printf("%d",dt);
if (j<6)
printf("\t");
else
printf("\n");
dt++;
j++;
}
while (1)
{
for (j=0;j<7;j++)
{
printf("%d",dt);
if (j!=6)
printf("\t");
else
printf("\n");
if (dt!=mtd)
dt++;
else
return 0;
}
}
}
int main()
{
int yr,mth,mtd,wkd,mthd[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
printf("Input the Year and Month(Year-Month):");
scanf("%d-%d",&yr,&mth);
if (yr<0¦¦mth<1¦¦mth>12)
return 0;
if (JgYr(yr))
mthd[2]=29;
mtd=mthd[mth];
wkd=CalWkd(yr,mth);
showcld(wkd,mtd);
return 0;
}