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- import java.util.Arrays;
- import java.util.Scanner;
- public class Teste {
- public static void main(String[] args) {
- // TODO Auto-generated method stub
- Scanner entrada = new Scanner(System.in);
- int tamanhoarray,casos,aux=0;
- casos = entrada.nextInt();
- while(casos !=0){
- tamanhoarray = entrada.nextInt();
- int[] array = new int[tamanhoarray];
- int numeros,j=0,contde1=0;
- for(int cont=0; cont<tamanhoarray; cont++){
- numeros = entrada.nextInt();
- if(numeros == 1){
- contde1++;
- } else{
- array[j++] = numeros;
- aux++;
- }
- }
- for (int i=0; i<contde1; i++){
- System.out.print("1 ");
- }
- if(tamanhoarray == 2 && array[0] == 2 && array[1] == 3){
- System.out.print("2"+" "+ "3");
- } else {
- Arrays.sort(array,0,aux);
- for(int cont=aux-1; cont>=0; cont--){
- System.out.print(array[cont]+" ");
- }
- }
- System.out.println("");
- casos--;
- }
- }
- }
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