- 两种方法
1. 在定义数组的时候已经定义好数组的行数和列数。
2. 动态获取。
对于type array[A][B];形式的二维数组，可以通过计算sizeof获取行列数。
sizeof(array[0][0])为一个元素占用的空间，
sizeof(array[0])为一行元素占用的空间，
sizeof(array)为整个数组占用的空间，
于是：
行数(个数) = sizeof(array)/sizeof(array[0]);
列数 = sizeof(array[0])/sizeof(array[0][0]);
#define ArrayLength(Array) (sizeof(Array) / sizeof(Array[0]))
#define W 11
char s[W];
char s1[W];
char s2[W];
char s3[W];
char s4[W];
char s5[W];
char s6[W];
char s7[W];
char s8[W];
int a, b, c, d,e,f,g,h;
char *num[]={"0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","!","@","#","$","%","^","&","*"};
//定义数组大小
#define Ge ArrayLength(num)
//使用方法
//printf("当前字符%d个", ArrayLength(num));
printf("当前字符%d个", Ge);
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