From 011e4c04585a67c417b599a8e68036875f0ac607 Mon Sep 17 00:00:00 2001
From: ayham <altffour@protonmail.com>
Date: Sun, 9 May 2021 19:54:29 +0300
Subject: [PATCH] solved hackerrank viral advertising

Signed-off-by: ayham <altffour@protonmail.com>
---
 hackerrank.viral.advertising.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 hackerrank.viral.advertising.cpp

diff --git a/hackerrank.viral.advertising.cpp b/hackerrank.viral.advertising.cpp
new file mode 100644
index 0000000..7ea738e
--- /dev/null
+++ b/hackerrank.viral.advertising.cpp
@@ -0,0 +1,16 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+int main() {
+	int n;
+	cin >> n;
+	int recipients = 5;
+	int total_likes = 0;
+    while (n--) {
+		total_likes += floor(recipients/2);
+		recipients = floor(recipients/2)*3;
+	}
+	cout << total_likes <<endl;
+	
+	return 0;
+}