#include <stdio.h>

int main()

{

/* 定义需要计算的日期 */

int year = 2008;

int month = 8;

int day = 8;

int day1 = day;

    if(year%4==0)

{

day += 29;

int i;

for (i = 1; i < month; i++)

{

switch (i)

{

case 1:day += 31; break;

case 3:day += 31; break;

case 4:day += 30; break;

case 5:day += 31; break;

case 6:day += 30; break;

case 7:day += 31; break;

case 8:day += 31; break;

case 9:day += 30; break;

case 10:day += 31; break;

case 11:day += 30; break;

case 12:day += 31; break;

}

}

printf("%d年%d月%d日是该年第%d天\n", year, month, day1, day);

}

else

{

day += 28;

int i;

for (i = 1; i < month; i++)

{

switch (i)

{

case 1:day += 31; break;

case 3:day += 31; break;

case 4:day += 30; break;

case 5:day += 31; break;

case 6:day += 30; break;

case 7:day += 31; break;

case 8:day += 31; break;

case 9:day += 30; break;

case 10:day += 31; break;

case 11:day += 30; break;

case 12:day += 31; break;

}

}

printf("%d年%d月%d日是该年第%d天\n", year, month, day1, day);

}

return 0;

}