recursion

Author: kavindu-chethani

Notes/C++ Basics[Code]/recursion.cpp

@@ -0,0 +1,23 @@
+#include<iostream>  
+using namespace std;    
+int main()  
+{  
+int factorial(int);  
+int fact,value;  
+cout<<"Enter any number: ";  
+cin>>value;  
+fact=factorial(value);  
+cout<<"Factorial of a number is: "<<fact<<endl;  
+return 0;  
+}  
+int factorial(int n)  
+{  
+if(n<0)  
+return(-1); /*Wrong value*/    
+if(n==0)  
+return(1);  /*Terminating condition*/  
+else  
+{  
+return(n*factorial(n-1));      
+}  
+}