Create Maximum Profit On App

Author: akshayavb99

Course 2 - Data Structures in JAVA/Test 1/Maximum Profit On App

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+/*
+You have made a smartphone app and want to set its price such that the profit earned is maximised. 
+There are certain buyers who will buy your app only if their budget is greater than or equal to your price.
+You will be provided with a list of size N having budgets of buyers and you need to return the maximum profit that you can earn.
+Lets say you decide that price of your app is Rs. x and there are N number of buyers. So maximum profit you can earn is : m * x
+where m is total number of buyers whose budget is greater than or equal to x.
+
+Input format :
+Line 1 : N (No. of buyers)
+Line 2 : Budget of buyers (separated by space)
+
+Output Format :
+Maximum profit
+
+Constraints :
+1 <= N <= 10^6
+
+Sample Input 1 :
+4
+30 20 53 14
+Sample Output 1 :
+60
+Sample Output 1 Explanation :
+Price of your app should be Rs. 20 or Rs. 30. For both prices, you can get the profit Rs. 60.
+
+Sample Input 2 :
+5
+34 78 90 15 67
+Sample Output 2 :
+201
+Sample Output 2 Explanation :
+Price of your app should be Rs. 67. You can get the profit Rs. 201 (i.e. 3 * 67).
+*/
+