Question

关于 枚举 和数组的问题

enum fields {WORD, HINT, NUM_FIELDS};
const int NUM_WORDS = 5;
const string WORDS[NUM_WORDS][NUM_FIELDS] =
{
{"wall", "Do you feel you’re banging your head against something?"},
{"glasses", "These might help you see the answer."},
{"labored", "Going slowly, is it?"},
{"persistent", "Keep at it."},
{"jumble", "It’s what the game is all about."}
};

srand(static_cast<unsigned int>(time(0)));
int choice = (rand() % NUM_WORDS);
string theWord = WORDS[choice][WORD]; // word to guess
string theHint = WORDS[choice][HINT]; // hint for word

我想不明白，为什么枚举元素 WORD 和 HINT 能用来识别WORDS数组里元素呢？？

Answer 1

枚举里的WORD ,HINT ,NUM_FIELDS完全可以认为对应的是int型数字，这里也就是说WORD=0;HINT=1;NUM_FIELDS=2，所以可以当作数组下表来访问数组元素，不知道你问的是不是这个意思？？

Answer 2

enum fields {WORD, HINT, NUM_FIELDS};
默认为
enum fields {WORD=0, HINT=1, NUM_FIELDS=2};
那么
string theWord = WORDS[choice][WORD];
可以为string theWord = WORDS[0]