added others folder

.gitignore

@@ -1,3 +1,2 @@
 *.exe
-*.out
-others
+*.out

assignment-5/d/19.c

@@ -39,8 +39,8 @@ int main() {
 
     case 2:
         float sum = 0;
-        for (float i =1; i<=n; i+=1){
-            sum = sum + ((i*2)-1)/(i*2);
+        for (int i = 1; i<=n; i++){
+            sum = sum + (((float) i*2 )-1)/ (float) ( i*2 );
         }
         printf("Sum of above series upto %d terms is %f\n",n,sum);
 

assignment-5/d/20.c

@@ -0,0 +1,45 @@
+/*
+Using a switch statement, write a menu driven program to:
+(a) Generate and display the first 10 terms of the Fibonacci series
+0, 1, 1, 2, 3, 5
+The first two Fibonacci numbers are 0 and 1, and each subsequent number is the sum of the previous two.
+(b) Find the sum of the digits of an integer that is input.
+Sample Input: 15390
+Sample Output: Sum of the digits = 18
+For an incorrect choice, an appropriate error message should be displayed.
+*/
+
+#include <stdio.h>
+
+int main() {
+    int op, n;
+
+
+
+    printf("Options : \n\t");
+    printf("1. Generate and display the first 10 terms of the Fibonacci series. \n\t");
+    printf("2. ind the sum of the digits of an integer that is input.\n\n\t");
+    printf("Enter option : ");
+    scanf("%d",&op);
+
+    printf("Enter a number : ");
+    scanf("%d",&n);
+
+    switch (op)
+    {
+    case 1:
+
+
+        break;
+
+    case 2:
+
+
+        break;
+
+    default:
+        printf("Enter a valid option.\n");
+        break;
+    }
+    return 0;
+}

others/classes/2023-03-24/1.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+int main() {
+    for (int i =1; i<=5;i++){
+        for (int j = 1;j<=i; j++){
+            printf("%d ",j);
+        }
+        printf("\n");
+    }
+    return 0;
+}
+
+/*
+1
+12
+123
+1234
+12345
+*/

others/classes/2023-03-24/2.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+
+int main() {
+    int init = 'A', end = init+4;
+    for (int i = init; i<=end;i++){
+        for (int j = init;j<=i; j++){
+            printf("%c ",j);
+        }
+        printf("\n");
+    }
+    return 0;
+}
+
+/*
+A
+A B
+A B C
+A B C D
+A B C D E
+*/

others/classes/2023-03-24/3.c

@@ -0,0 +1,22 @@
+#include <stdio.h>
+
+int main() {
+    for (int i =1; i<=5;i++){
+        for (int k = 5-i; k>0; k--){
+            printf("  ");
+        }
+        for (int j = 1;j<=i; j++){
+            printf("%d ",j);
+        }
+        printf("\n");
+    }
+    return 0;
+}
+
+/*
+        1 
+      1 2 
+    1 2 3 
+  1 2 3 4 
+1 2 3 4 5
+*/

others/classes/2023-03-24/4.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+int main() {
+
+    for (int i =1; i<=5;i++){
+        for (int k = 5-i; k>0; k--){
+            printf("  ");
+        }
+        int c = 'A';
+        for (int j = 1;j<=i; j++){
+            printf("%c ",c++);
+        }
+        printf("\n");
+    }
+    return 0;
+}
+
+/*
+        A 
+      A B 
+    A B C 
+  A B C D 
+A B C D E 
+*/

others/classes/2023-03-28/typecasing.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+int main() {
+    int a;
+    a = 9/4;
+    printf("a = %d\n",a);
+
+    float b;
+    b = (float) 9 / 5;
+    printf("b = %f\n",b);
+}

others/python/bitwise.py

@@ -0,0 +1,18 @@
+def decimalToBinary(n):
+    return bin(n).replace("0b", "")
+
+def binaryToDecimal(n):
+    return int(n,2)
+
+a = 13
+b = 4
+print(a, "=",decimalToBinary(a))
+print(b,"=",decimalToBinary(b))
+
+print( decimalToBinary (a & b), "=", (a & b))
+print( decimalToBinary ( a | b), "=", (a | b))
+print( decimalToBinary ( a ^ b), "=", (a ^ b))
+print( decimalToBinary ( a << b), "=", (a << b))
+print( decimalToBinary ( a >> b), "=", (a >> b) )
+print( decimalToBinary ( ~a), "=", (~a))
+