├── Diamond Pattern
├── Full Pyramid Pattern
└── Number pattern


/Diamond Pattern:
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 1 | //Diamond pattern of stars using C
 2 | #include <stdio.h>
 3 | int main()
 4 | {
 5 |     int n = 7;
 6 | 
 7 |     // first outer loop to iterate through each row
 8 |     for (int i = 0; i < 2 * n - 1; i++) {
 9 | 
10 |         // assigning values to the comparator according to
11 |         // the row number
12 |         int comp;
13 |         if (i < n) {
14 |             comp = 2 * (n - i) - 1;
15 |         }
16 |         else {
17 |             comp = 2 * (i - n + 1) + 1;
18 |         }
19 | 
20 |         // first inner loop to print leading whitespaces
21 |         for (int j = 0; j < comp; j++) {
22 |             printf(" ");
23 |         }
24 | 
25 |         // second inner loop to print stars *
26 |         for (int k = 0; k < 2 * n - comp; k++) {
27 |             printf("* ");
28 |         }
29 |         printf("\n");
30 |     }
31 |     return 0;
32 | }
33 | 


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/Full Pyramid Pattern:
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 1 | #include <stdio.h>
 2 | 
 3 | int main()
 4 | {
 5 |     int rows = 7;
 6 | 
 7 |     // first loop to print all rows
 8 |     for (int i = 0; i < rows; i++) {
 9 | 
10 |         // inner loop 1 to print white spaces
11 |         for (int j = 0; j < rows - i - 1; j++) {
12 |             printf(" ");
13 |         }
14 | 
15 |         // inner loop 2 to print star * character
16 |         for (int k = 0; k < 2 * i + 1; k++) {
17 |             printf("*");
18 |         }
19 |         printf("\n");
20 |     }
21 |     return 0;
22 | }
23 | 


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/Number pattern:
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 1 | #include <stdio.h>
 2 | 
 3 | int main()
 4 | {
 5 |     int n;
 6 |     scanf("%d",&n);
 7 |     for(int i=n;i>=1;i--)
 8 |     {
 9 |         for(int j=n;j>=1;j--)
10 |         {
11 |             for(int k=1;k<=i;k++)
12 |             {
13 |                 printf("%d",j);
14 |             }
15 |         }
16 |         printf("\n");
17 |     }
18 | 
19 |     return 0;
20 | }
21 | 


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