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In this post, you will find the solution for **Bill Division** **in Java-HackerRank Problem**. We are providing the **correct and tested solutions** of coding problems present on **HackerRank**. If you are not able to solve any problem, then you can take help from our Blog/website.

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**Introduction To Algorithm**

The word **Algorithm** means “a process or set of rules to be followed in calculations or other problem-solving operations”. Therefore Algorithm refers to a set of rules/instructions that step-by-step define how a work is to be executed upon in order to get the expected results.

**Advantages of Algorithms:**

- It is easy to understand.
- Algorithm is a step-wise representation of a solution to a given problem.
- In Algorithm the problem is broken down into smaller pieces or steps hence, it is easier for the programmer to convert it into an actual program.

** Link for the Problem** – Bill Division – Hacker Rank Solution

Bill Division – Hacker Rank Solution

**Problem:**

Two friends Anna and Brian, are deciding how to split the bill at a dinner. Each will only pay for the items they consume. Brian gets the check and calculates Anna’s portion. You must determine if his calculation is correct.

For example, assume the bill has the following prices: . Anna declines to eat item which costs . If Brian calculates the bill correctly, Anna will pay . If he includes the cost of , he will calculate . In the second case, he should refund to Anna.

**Function Description**

Complete the *bonAppetit* function in the editor below. It should print `Bon Appetit`

if the bill is fairly split. Otherwise, it should print the integer amount of money that Brian owes Anna.

bonAppetit has the following parameter(s):

*bill*: an array of integers representing the cost of each item ordered*k*: an integer representing the zero-based index of the item Anna doesn’t eat*b*: the amount of money that Anna contributed to the bill

**Input Format**

The first line contains two space-separated integers and , the number of items ordered and the -based index of the item that Anna did not eat.

The second line contains space-separated integers where .

The third line contains an integer, , the amount of money that Brian charged Anna for her share of the bill.

**Constraints**

**Output Format**

If Brian did not overcharge Anna, print `Bon Appetit`

on a new line; otherwise, print the difference (i.e., ) that Brian must refund to Anna. This will always be an integer.

**Sample Input 0**

4 1 3 10 2 9 12

**Sample Output 0**

5

**Explanation 0**

**Sample Input 1**

4 1 3 10 2 9 7

**Sample Output 1**

Bon Appetit

**Explanation 1**

Bill Division – Hacker Rank Solution