Create Functions.js

Author: adryxta

Functions.js

@@ -0,0 +1,40 @@
+'use strict';
+
+process.stdin.resume();
+process.stdin.setEncoding('utf-8');
+
+let inputString = '';
+let currentLine = 0;
+
+process.stdin.on('data', inputStdin => {
+    inputString += inputStdin;
+});
+
+process.stdin.on('end', _ => {
+    inputString = inputString.trim().split('\n').map(string => {
+        return string.trim();
+    });
+    
+    main();    
+});
+
+function readLine() {
+    return inputString[currentLine++];
+}
+/*
+ * Create the function factorial here
+ */
+    function factorial(n)
+    {
+        if(n==0)
+            return 1;
+        else
+            return n*factorial(n-1);
+    }
+
+
+function main() {
+    const n = +(readLine());
+    
+    console.log(factorial(n));
+}