└── c


/c:
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 1 | #include <stdio.h>
 2 | 
 3 | #define SIZE 10
 4 | 
 5 | int main() {
 6 |     int pattern[SIZE][SIZE] = {0};
 7 |     int i, j, m, n, p, q, s, num;
 8 |     printf("Enter the size of the pattern: ");
 9 |     scanf("%d", & s);
10 |     num = 1; 
11 |     i = 0; 
12 |     j = 0; 
13 |     m = 0; 
14 |     n = s - 1; 
15 |     p = 0;
16 |     q = s - 1; 
17 | 
18 |     
19 |     while (num <= s * s) {
20 |     
21 |         for (j = p; j <= q; j++) {
22 |             pattern[m][j] = num;
23 |             num++;
24 |         }
25 |         m++;
26 | 
27 |         for (i = m; i <= n; i++) {
28 |             pattern[i][q] = num;
29 |             num++;
30 |         }
31 |         q--;
32 |         for (j = q; j >= p; j--) {
33 |             pattern[n][j] = num;
34 |             num++;
35 |         }
36 |         n--;
37 |         for (i = n; i >= m; i--) {
38 |             pattern[i][p] = num;
39 |             num++;
40 |         }
41 |         p++;
42 |     }
43 |     printf("\n");
44 |     for (i = 0; i < s; i++) {
45 |         for (j = 0; j < s; j++) {
46 |             printf("%d\t", pattern[i][j]);
47 |         }
48 |         
49 |         printf("\n");
50 |     }
51 |     return 0;
52 | }
53 | 
54 | 


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