1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <time.h>
4 void max_appear(int a[], int len);
5
6 int main()
7 {
8
9 int a[10000] = {2, 3, 4, 2, 2, 5, 3, 4, 2, 4};
10 int i = 0;
11 int len = 0;
12 srand((unsigned)time(NULL));
13 for(i = 0; i < 10000; i++)
14 {
15 a[i] = rand() % 10;
16 }
17 len = sizeof(a) / sizeof(a[0]);
18 max_appear(a, len);
19
20 system("pause");
21 return 0;
22 }
23
24 void max_appear(int a[], int len)
25 {
26 int i = 0, j = 0;
27 int num = 0;
28 int *count = NULL;
29 int bop = 0;
30 count = (int*)calloc((num + 2), sizeof(int));
31
32 for(i = 0; i < len; i++)
33 {
34 for(j = 0; j < i; j++)
35 {
36 bop = 0;
37 if(a[j] == a[i])
38 {
39 bop = 1;
40 break;
41 }
42 }
43 if(bop == 1)
44 {
45 continue;
46 }
47
48 count[num] = a[i];
49
50 for(j = i; j < len; j++)
51 {
52 if(a[i] == a[j])
53 {
54 count[num + 1]++;
55 }
56 }
57 num += 2;
58 count = (int*)realloc(count, (num + 2) * sizeof(int));
59 count[num + 1] = 0;
60 }
61
62 for(i = 0; i < num; i += 2)
63 {
64 printf("数字%d的个数是%d.\n", count[i], count[i + 1]);
65 }
66
67 free(count);
68 count = NULL;
69 }
