Update factorial.cpp

factorial/factorial.cpp

@@ -1,41 +1,22 @@
 #include <iostream>
-#include <stdlib.h>
-#include <vector>
-using namespace std;
-
 
-int factorial(int n) 
-{ 
-    return (n==1 || n==0) ? 1: n * factorial(n - 1);  
-} 
+using namespace std;
 
+int factorial (int n)
+{
+    if(n==1)
+    {
+        return 1;
+    }
+    return n*factorial(n-1);
 
+}
 int main()
 {
-    int num, fact, aux;
-    vector<int>results;
-    results.push_back(1);
-    results.push_back(1);
-    char c;
-    while(true){
-		fact = 1;
-		cout << "Enter the number you want to find factorial of: ";
-		cin >> num;
-		factorial(num);
-
-		//optimised and short code of factorial
-		cout <<"Factorial of "<< num <<" is: "<< fact << endl;
-		cout <<"Do You Want to Enter another number?(y/n): ";
-		cin>>c;
-		if(c=='n' || c=='N')
-		{
-			exit(0);
-		}
-		else
-		{
-			continue;
-		}
-	}
-return 0;
+    int n,result;
+    cin>>n;
+    result=factorial(n);
+    cout<<result;
+    return 0;
 
 }