Ñ++ äëÿ íà÷èíàþùèõ

         

Èíñòðóêöèÿ switch - ÷àñòü 6


Óïðàæíåíèå 5.7

Íàéäèòå è èñïðàâüòå îøèáêè â ñëåäóþùèõ ïðèìåðàõ:

(a)

  switch ( ival ) {

    case 'a': aCnt++;

    case 'e': eCnt++;

    default: iouCnt++;

  }

(b)

  switch ( ival ) {

    case 1:

      int ix = get_value();

      ivec[ ix ] = ival;

      break;

    default:

      ix = ivec.sizeQ-1;

      ivec[ ix ] = ival;

  }

(c)

  switch ( ival ) {

    case 1, 3, 5, 7, 9:

      oddcnt++;

      break;

    case 2, 4, 6, 8, 10:

      evencnt++;

      break;

  }

(d)

  int iva1=512 jva1=1024, kva1=4096;

  int bufsize;

  // ...

  switch( swt ) {

    case ival:

      bufsize = ival *   sizeof( int );

      break;

    case jval:

      bufsize = jval *   sizeof( int );

      break;

    case kval:

      bufsize = kval *   sizeof( int );

      break;

  }

(e)

  enum { illustrator = 1, photoshop, photostyler = 2 };

  switch ( ival ) {

    case illustrator:

      --i11us_1icense;

      break;

    case photoshop:

      --pshop_1icense;

      break;

    case photostyler:

      --psty1er_license;

    break;

}




Ñîäåðæàíèå  Íàçàä  Âïåðåä