int count_day(int x, int y)
{
int sum = 0;
switch(x)
{
case 1:sum = 0;
break;
case 2:sum = 31;
break;
case 3:sum = 59;
break;
case 4:sum = 90;
break;
case 5:sum = 120;
break;
case 6:sum = 151;
break;
case 7:sum = 181;
break;
case 8:sum = 212;
break;
case 9:sum = 243;
break;
case 10:sum = 273;
break;
case 11:sum = 304;
break;
case 12:sum = 334;
break;
default:printf("data error\n");
break;
}
sum += y;
return sum;
}
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