Merge pull request #702 from Tarunyo/patch-1

Update Factorial.cpp

Author: t2013anurag

factorial/cpp/Factorial.cpp

@@ -1,26 +1,17 @@
-#include<iostream>
-#include<stdio.h>
-using namespace std;
- 
-int result[1000] = {0};
-long long int fact_dp(int n)
+#include<iostream.h>
+#include<conio.h>
+void main()
 {
-    result[0] = 1;
-    for (int i = 1; i <= n; ++i) 
-    {
-    	result[i] = i * result[i - 1];
-    }
-    
-    return result[n];
-}
-int main()
-{
-	int n;
-	cout<<"Enter a number :";
-	cin>>n;
-	if(n<=0)
-		cout<<1<<endl;
-	else
-		cout<<"Factorial :"<<fact_dp(n)<<endl;
-
+	clrscr();
+	long double n,fact=1,num;
+	cout<<"\n\t Enter a number:";
+	cin>>num;
+	n=num;
+	while(num>0)
+	{
+		fact=fact*num;
+		--num;
+	}
+	cout<<"\n\t factorial of "<<n<<" is:"<<fact;
+	getch();
 }