patterns

src/Learning-C/Control_Statements_Patterns.md

@@ -0,0 +1,261 @@
+* Count the number of lines and loops for the same
+* Find relation between line number, number of characters and spaces in that line. Apply loop for the same.
+
+
+```
+1
+12
+123
+1234
+12345
+```
+
+<details>
+<summary>Code</summary>
+
+```C
+for (l = 1, l <= 5, l++){
+    for (ch = 1, ch <= l, ch++){
+        printf("%d", ch);
+    }
+    printf("\n");
+}
+``` 
+
+</details>
+
+---
+
+```
+1
+23
+456
+78910
+```
+
+<details>
+<summary>Code</summary>
+
+```C
+int x = 1;
+for (l = 1; l <= 4; l++){
+    for (ch = 1, ch <= l, ch++){
+        printf("%d", ch);
+        x++;
+    }
+    printf("\n");
+}
+``` 
+
+</details>
+
+---
+```
+1
+11
+111
+1111
+111
+11
+1
+```
+<details>
+<summary>Code</summary>
+```C
+for (l = 1; l <= 7; l++)
+{
+    if (l <= 4){
+        for (ch = 1; ch <= l; ch++)
+        printf("1");
+    }else{
+        for (ch = 7; ch >= l; ch--)
+        printf("1");
+    }
+    printf("\n");
+}
+```
+
+</details>
+
+---
+```
+1111
+ 111
+  11
+   1
+  11
+ 111
+1111
+```
+
+<details>
+<summary>Code</summary>
+
+```C
+for (l = 1; l <=7; l++)
+{
+    if (l<=4){
+        for (s = 2; s <= l; s++){
+            printf(" ");
+        }
+        for (ch = 4; ch >= l; ch--){
+            printf("1");
+        }
+    } else {
+        for (s = 6; s >= l; s--){
+            printf(" ");
+        }
+        for (ch = 4; ch <= l; ch++){
+            printf("1");
+        }
+    }
+}
+```
+
+</details>
+
+---
+
+```
+1     1
+11   11
+111 111
+1111111
+```
+
+
+<details>
+<summary> Code </summary>
+
+```C
+int ch, l, s, s1 = 1, l1= 1;
+
+    for (l = 1; l<= 4; l++)
+    {
+        for (ch = 1; ch <= l; ch++){
+            printf("1");
+        }
+        for (s = 5; s >= s1; s--){
+            printf(" ");
+        }
+        s1 += 2;
+        for (ch = 1; ch <= l1; ch++){
+            printf("1");
+        }
+        if (l != 3){
+            l1++;
+        }
+        printf("\n");
+    }
+```
+
+or
+
+```C
+#include <stdio.h>
+
+int main() {
+    int rows = 4;
+    int spaces = rows * 2 - 2;
+
+    for (int i = 1; i <= rows; i++) {
+        for (int j = 1; j <= i; j++) {
+            printf("1");
+        }
+        for (int k = 1; k <= spaces; k++) {
+            printf(" ");
+        }
+        spaces -= 2;
+        for (int l = 1; l <= i; l++) {
+            printf("1");
+        }
+        printf("\n");
+    }
+    return 0;
+}
+```
+
+</details>
+
+---
+
+<!-- 
+```
+1111111
+111 111
+11   11
+1     1
+```
+
+<details>
+<summary>Code</summary>
+
+```C    
+int s1=-2, l1=1, l, ch, s;
+
+for (l = 1; l <= 4; l++){
+    for(ch = 4; ch >= l; ch--){
+        printf("1");
+    }
+    for(s = 0; s <= s1; s++){
+        printf(" ");
+    }
+    s1 += 2;
+    for(ch = 3; ch <= l1; ch--){
+        printf("1");
+    }
+    if (l != 1){
+        l1++;
+    }
+    printf("\n");
+}
+```
+
+</details> 
+
+-->
+
+<!--
+```
+abcdefgfedcba
+abcdef fedcba
+abcde   edcba
+abcd     dcba
+abc       cba
+ab         ba
+a           a
+```
+
+<details>
+<summary>Code</summary>
+
+```C    
+#include <stdio.h>
+
+int main() {
+    int end = 5; s1 = 2;
+    char end = 'g';
+
+    for (l = 1; l <= end; c++){
+        for( ch = 'a', l <= end; ch++){
+            printf("%c", ch);
+        }
+        for(s = 0; s <= s1; s++){
+            printf(" ");
+        }
+        s1 += 2;
+        for(l == 1){
+            c--;
+        }
+        for(ch1 = ch-1, c >= 'a'; ch1--){
+            printf("%c", ch1);
+        }
+        end--;
+        printf("\n");
+    }
+```
+
+</details> 
+
+-->
+

src/SUMMARY.md

@@ -26,6 +26,7 @@
     - [Loops](./Learning-C/Control_Statements_Loops.md)
     - [Break and Continue](./Learning-C/Break_Continue.md)
     - [Goto](./Learning-C/Control_Statements_Goto.md)
+- [Patterns](./Learning-C/Control_Statements_Patterns.md)
 - [Acknowledgements](./Learning-C/Acknowledgements.md)
 
 ---