int y = 2014;
int m = 3;
int d = 21;
if (m == 1 || m == 12)
{
m += 12;
y--;
}
int week = (d + 2 * m + 3 * (m + 1) / 5 + y + y / 4 - y / 100 + y / 400 + 1) % 7;
string weekstring = "";
switch (week)
{
case 0: weekstring = "星期日"; break;
case 1: weekstring = "星期一"; break;
case 2: weekstring = "星期二"; break;
case 3: weekstring = "星期三"; break;
case 4: weekstring = "星期四"; break;
case 5: weekstring = "星期五"; break;
case 6: weekstring = "星期六"; break;
}
int m = 3;
int d = 21;
if (m == 1 || m == 12)
{
m += 12;
y--;
}
int week = (d + 2 * m + 3 * (m + 1) / 5 + y + y / 4 - y / 100 + y / 400 + 1) % 7;
string weekstring = "";
switch (week)
{
case 0: weekstring = "星期日"; break;
case 1: weekstring = "星期一"; break;
case 2: weekstring = "星期二"; break;
case 3: weekstring = "星期三"; break;
case 4: weekstring = "星期四"; break;
case 5: weekstring = "星期五"; break;
case 6: weekstring = "星期六"; break;
}