Mbpp/389

✅ 完美通过 Base: PASS Plus: PASS
测试评估
指标结果
Base 测试PASS
Plus 测试PASS
代码长度383 字符
模型生成的代码 (383 字符)
def find_lucas(n: int) -> int:
    """
    Return the n-th Lucas number.

    Lucas numbers: L(0)=2, L(1)=1, L(n)=L(n-1)+L(n-2) for n > 1.
    """
    if n < 0:
        raise ValueError("n must be a non-negative integer")
    if n == 0:
        return 2
    if n == 1:
        return 1

    a, b = 2, 1  # L(0), L(1)
    for _ in range(2, n + 1):
        a, b = b, a + b
    return b
Base 失败测试用例
  • 无失败测试
Plus 失败测试用例
  • 无失败测试