"C Language" and "algorithm" are used to access arrays in multiple ways. The C language array Sorting Algorithm

"C Language" and "algorithm" are used to access arrays in multiple ways. The C language array Sorting Algorithm

1 #include <stdio.h>
 2 
 3 // Use array names and pointer variables, respectively, to input and output all elements of the array using the following notation and pointer
 4
 5 int main () {
 6 int i = 0;
 7 int array [6];
 8 int * p = array;
 9 printf ("\ n Please input array [6]: \ n");
10 while (p <(array + 6))
11 scanf ("% d", p ++);
12 printf ("\ n Output array [i]: \ n");
13 for (i = 0; i <6; i ++) / * (1) array name, subscript method * /
14 printf ("% d,", array [i]);
15 printf ("\ n Output * (array + i): \ n");
16 for (i = 0; i <6; i ++) / * (2) array name, pointer method * /
17 printf ("% d,", * (array + i));
18 printf ("\ n Output p [i]: \ n");
19 p = array;
20 for (i = 0; i <6; i ++) / * (3) Pointer variable, subscript method * /
21 printf ("% d,", p [i]);
22 printf ("\ n Output * (p + i): \ n");
23 for (i = 0; i <6; i ++) / * (4) pointer variable, pointer method * /
24 printf ("% d,", * (p + i));
25 printf ("\ n Output * p ++: \ n");
26 while (p <(array + 6)) / * (5) pointer variable, pointer method, the most efficient * /
27 printf ("% d,", * p ++);
28 printf ("\ n");
29 return 0;
30}

 

1 #include <stdio.h>
  2 
  3 // Output the address of the subarray and elements of the two-dimensional array
  4
  5 int main () {
  6 int i = 100, j = 200, k = 300;
  7 int b [3] [5] = {{31,32,33,24,25}, {16,17,8,9,10}, {19,11,51,14,15}};
  8 printf ("& i =% X & j =% X & k =% X \ n", & i, & j, & k);
  9 printf ("b =% X b + 1 =% X b + 2 =% X \ n", b, b + 1, b + 2);
10 printf ("b [0] =% X b [0] + 1 =% X b [0] + 2 =% X \ n", b [0], b [0] + 1, b [0] + 2);
11 printf ("b [1] =% X * (b + 1) =% X & b [1] [0] =% X \ n", b [1], * (b + 1), & b [1] [0]);
12 printf ("b [2] [4] =% d * (* (b + 2) +4) =% d \ n", b [2] [4], * (* (b + 2) +4 ));
13 return 0;
14}