solved hackerrank viral advertising

Signed-off-by: ayham <altffour@protonmail.com>

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;
+}