计数R中非零值之间出现零的次数

def count_zeros_between_non_zero(data):
    count = 0
    in_between = False
    
    for value in data:
        if value != 0:
            in_between = True
        elif in_between:
            count += 1
            in_between = False
    
    return count

# 示例使用
data = [1, 0, 0, 2, 0, 3, 0, 0, 4]
print(count_zeros_between_non_zero(data))  # 输出应该是 3

def count_zeros_between_non_zero_stream(file_path):
    count = 0
    in_between = False
    
    with open(file_path, 'r') as file:
        for line in file:
            value = int(line.strip())
            if value != 0:
                in_between = True
            elif in_between:
                count += 1
                in_between = False
    
    return count

def count_zeros_between_non_zero_safe(data):
    count = 0
    in_between = False
    
    for value in data:
        try:
            numeric_value = int(value)
            if numeric_value != 0:
                in_between = True
            elif in_between:
                count += 1
                in_between = False
        except ValueError:
            continue  # 忽略无法转换为整数的值
    
    return count