# Greedy Florist in Algorithm | HackerRank Programming Solutions | HackerRank Problem Solving Solutions in Java [💯Correct]

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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 ProblemGreedy Florist – Hacker Rank Solution

`Greedy Florist– Hacker Rank Solution`

### Problem:

A group of friends want to buy a bouquet of flowers. The florist wants to maximize his number of new customers and the money he makes. To do this, he decides he’ll multiply the price of each flower by the number of that customer’s previously purchased flowers plus 1. The first flower will be original price,

Function Description

Complete the getMinimumCost function in the editor below.

getMinimumCost has the following parameter(s):

• int c[n]: the original price of each flower
• int k: the number of friends

Returns
– int: the minimum cost to purchase all flowers

Input Format

The first line contains two space-separated integers  and , the number of flowers and the number of friends.
The second line contains  space-separated positive integers , the original price of each flower.

Constraints

Sample Input 0

```3 3
2 5 6
```

Sample Output 0

```13
```

Explanation 0

Sample Input 1

```3 2
2 5 6
```

Sample Output 1

```15
```

Explanation 1

`Greedy Florist – Hacker Rank Solution`
```import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;

public class Solution {

// Complete the getMinimumCost function below.
static int getMinimumCost(int k, int[] c) {
Arrays.sort(c);
int ans=0;
int count=1;
int noOfFriendsRem=k;
for (int i = c.length-1; i >-1; i--) {
if (noOfFriendsRem==0) {
noOfFriendsRem=k;
count++;
}
ans+=c[i]*count;
noOfFriendsRem--;
}
return ans;

}

private static final Scanner scanner = new Scanner(System.in);

public static void main(String[] args) throws IOException {
BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

String[] nk = scanner.nextLine().split(" ");

int n = Integer.parseInt(nk);

int k = Integer.parseInt(nk);

int[] c = new int[n];

String[] cItems = scanner.nextLine().split(" ");
scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");

for (int i = 0; i < n; i++) {
int cItem = Integer.parseInt(cItems[i]);
c[i] = cItem;
}

int minimumCost = getMinimumCost(k, c);

bufferedWriter.write(String.valueOf(minimumCost));
bufferedWriter.newLine();

bufferedWriter.close();

scanner.close();
}
}
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