[New] Factorial

Author: SamuelMuloki

factorial/main.cpp

@@ -0,0 +1,24 @@
+//
+//  main.cpp
+//  factorial
+//
+//  Created by samuel muloki on 12/05/2019.
+//  Copyright © 2019 line23. All rights reserved.
+//
+
+#include <iostream>
+
+using namespace std;
+
+int main(int argc, const char * argv[]) {
+    unsigned int num;
+    unsigned long long factorial = 1;
+    cout <<"Enter a postive integer: ";
+    cin >> num;
+    for (int i = 1; i <= num; i++) {
+        factorial *= i;
+    }
+    cout <<"factorial of "<<num<<" = "<<factorial;
+    cout <<endl<<endl;
+    return 0;
+}