Create fibbonaci.c

fibbonaci.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+int fib(int n)
+{
+	if (n <= 1)
+		return n;
+	return fib(n - 1) + fib(n - 2);
+}
+
+int main()
+{
+	int n = 9;
+	printf("%d", fib(n));
+	getchar();
+	return 0;
+}

mult.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+int main() {
+    double a, b, product;
+    printf("Enter two numbers: ");
+    scanf("%lf %lf", &a, &b);  
+
+    // Calculating product
+    product = a * b;
+
+    // %.2lf displays number up to 2 decimal point
+    printf("Product = %.2lf", product);
+
+    return 0;
+}

palindrome.c

@@ -0,0 +1,19 @@
+#include<stdio.h>  
+int main()    
+{    
+int n,r,sum=0,temp;    
+printf("enter the number=");    
+scanf("%d",&n);    
+temp=n;    
+while(n>0)    
+{    
+r=n%10;    
+sum=(sum*10)+r;    
+n=n/10;    
+}    
+if(temp==sum)    
+printf("palindrome number ");    
+else    
+printf("not palindrome");   
+return 0;  
+}