GreedyAlgoEasy.java.txt

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 marcsCakewalk function below.
    static long marcsCakewalk(int[] calorie) {
            int temp_cal=0;
            int i=0;
            for(i=0;i<calorie.length-1;i++){
                for(int j=i+1;j<calorie.length;j++){
                    if(calorie[i]<calorie[j]){
                        temp_cal=calorie[i];
                        calorie[i]=calorie[j];
                        calorie[j]=temp_cal;
                    }
                }
            }
            
            int base=2;
            long result=1;
            for(int k=0;k<calorie.length;k++){
                if(k==0){
                   System.out.print("k == 0 and the result is");
                    result*=calorie[k];
                    System.out.println(result);
                }else{
                    int exponent=k;
                    long sub_result=1;
                    while(exponent!=0){
                        sub_result*=base;
                        --exponent;
                    }
                    System.out.println("sub result 2 to the power for k="+k+"is ="+sub_result);
                    sub_result*=calorie[k];
                    System.out.println("Sub result value with calorie[k] ="+sub_result);
                    result+=sub_result;
                    System.out.println("result after adding sub_result ="+result);
                }
            }

return result;

    }

    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")));

        int n = scanner.nextInt();
        scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");

        int[] calorie = new int[n];

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

        for (int i = 0; i < n; i++) {
            int calorieItem = Integer.parseInt(calorieItems[i]);
            calorie[i] = calorieItem;
        }

        long result = marcsCakewalk(calorie);

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

        bufferedWriter.close();

        scanner.close();
    }
}