import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
import java.util.List;
import java.util.Arrays;
import java.util.ArrayList;
public class Main {
    //Program start
    
    //Program end

    @Test
public void test1() {
    assertEquals(new ArrayList<>(Arrays.asList(3,-2,1,-5,2,-4)), rearrangeArray(new ArrayList<>(Arrays.asList(3,1,-2,-5,2,-4))));
}
@Test
public void test2() {
    assertEquals(new ArrayList<>(Arrays.asList(1,-1)), rearrangeArray(new ArrayList<>(Arrays.asList(-1,1))));
}

}