
    In a busy emergency room's triage system, develop a function that processes n most recent patient vital sign readings and reorganizes them so that all critical measurements (represented by negative values) are prioritized before stable measurements (represented by positive values), while preserving the original chronological order within each category to maintain patient arrival sequence.
    

    
def re_arrange_array(arr, n):
    """
    In a busy emergency room's triage system, develop a function that processes n most recent patient vital sign readings and reorganizes them so that all critical measurements (represented by negative values) are prioritized before stable measurements (represented by positive values), while preserving the original chronological order within each category to maintain patient arrival sequence.
    

    """
def re_arrange_array(arr, n):
    """
    In a busy emergency room's triage system, develop a function that processes n most recent patient vital sign readings and reorganizes them so that all critical measurements (represented by negative values) are prioritized before stable measurements (represented by positive values), while preserving the original chronological order within each category to maintain patient arrival sequence.
    

    """
    j = 0
    for i in range(0, n):
        if arr[i] < 0:
            temp = arr[i]
            arr[i] = arr[j]
            arr[j] = temp
            j = j + 1
    return arr