Chocolate Feast Hackerrank Solution - java

Chocolate Feast Hackerrank Solution - java

for explanation watch video :

code:

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.*;
import java.util.regex.*;
import java.util.stream.*;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;
class Result {
    /*
     * Complete the 'chocolateFeast' function below.
     *
     * The function is expected to return an INTEGER.
     * The function accepts following parameters:
     *  1. INTEGER n
     *  2. INTEGER c
     *  3. INTEGER m
     */
    public static int chocolateFeast(int n, int c, int m) {
        //no of  chocolate 
        int num = n/c;
        int wrapper = num;
        if(wrapper<m){
            return num;
        }else{
            while(wrapper>=m){
                num = num + 1;
                wrapper = wrapper - m + 1;
            }
            return num;
        }
    }
}
public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));
        int t = Integer.parseInt(bufferedReader.readLine().trim());
        IntStream.range(0, t).forEach(tItr -> {
            try {
                String[] firstMultipleInput = bufferedReader.readLine().replaceAll("\\s+$", "").split(" ");
                int n = Integer.parseInt(firstMultipleInput[0]);
                int c = Integer.parseInt(firstMultipleInput[1]);
                int m = Integer.parseInt(firstMultipleInput[2]);
                int result = Result.chocolateFeast(n, c, m);
                bufferedWriter.write(String.valueOf(result));
                bufferedWriter.newLine();
            } catch (IOException ex) {
                throw new RuntimeException(ex);
            }
        });
        bufferedReader.close();
        bufferedWriter.close();
    }
}