asd

import java.util.Scanner;

public class CalculateDiscount {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int lines = Integer.parseInt(scanner.nextLine());
        double discount = 0.35;
        double[] arr = new double[lines];

        for (int i = 0; i < lines; i++) {
            double next = Integer.parseInt(scanner.nextLine());
            arr[i] = next;
        }
        for (int j = 0; j < arr.length; j++) {
            System.out.print(String.format("%.2f%n", arr[j] * discount));
        }
    }
}


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import java.util.Scanner;

public class CalculateDiscount {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int lines = Integer.parseInt(scanner.nextLine());
        double discount = 0.35;

        for (int i = 0; i < lines; i++) {
            double next = Integer.parseInt(scanner.nextLine());
            double result = next * discount;
            System.out.print(String.format("%.2f", result));
        }
    }
}