Lecture Notes on 01 July 2013

int month = ... ;
int num_days = 0;

switch (month)
{
  case 1:
  case 3:
  case 5:
  case 7:
  case 8:
  case 10:
  case 12: num_days = 31; break;
  case 4:
  case 6:
  case 9:
  case 11: num_days = 30; break;
  case 2: num_days = 28; break;
}