关于枚举类型变量声明错误的选项是哪一个？
A: enum _card_t { SPADE, HEART, DIAMOND, CLUB} card_type;
B: enum _card_t { SPADE=1, HEART, DIAMOND, CLUB}; enum _card_t card_type;
C: typedef enum _card_t { SPADE, HEART, DIAMOND, CLUB} card_t; _card_t card_type;
D: enum { SPADE, HEART, DIAMOND, CLUB} card_type;
A: enum _card_t { SPADE, HEART, DIAMOND, CLUB} card_type;
B: enum _card_t { SPADE=1, HEART, DIAMOND, CLUB}; enum _card_t card_type;
C: typedef enum _card_t { SPADE, HEART, DIAMOND, CLUB} card_t; _card_t card_type;
D: enum { SPADE, HEART, DIAMOND, CLUB} card_type;
举一反三
- 如下程序段，在划线处填写语句并写出card变量的值。 enum { club，diamond，heart，spade } card; card=heart; printf ( “___________ \n”,card);
- Suppose: draw heart and receive $12; draw spade, diamond or club and lose $4; probability of drawing heart = 13/52 = ¼; probability of drawing spade, diamond or club = 39/52 = ¾, then the expected value is: A: -1 B: -2 C: 0 D: 1
- A loyalty card can also be named as: A: Club card B: Rewards card C: Points card D: Advantage card
- A set of poker cards consists of four signs: heart, spade, club, and _________. A: ox B: diamond C: square D: mete
- A charge card is different from a credit card in that a credit card doesn't need a monthly pay in full.