import java.util.Scanner;
public class Binary {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("Nhap n = ");
int n = scanner.nextInt();
System.out.print(DecimalToBinary(n));
}
public static String DecimalToBinary(int n) {
String output = "";
int du = 0;
while (n > 0) {
du = n % 2;
n = n / 2;
output = du + output;
}
return output;
}
}
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