Mbpp/583

✅ 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361 字符
模型生成的代码 (361 字符)
import math
def catalan_number(n: int) -> int:
    """
    Return the nth Catalan number.

    Args:
        n (int): Non-negative integer index.

    Returns:
        int: The nth Catalan number.
    """
    if n < 0:
        raise ValueError("n must be a non-negative integer")
    # C_n = (1/(n+1)) * binomial(2n, n)
    return math.comb(2 * n, n) // (n + 1)
Base 失败测试用例
  • 无失败测试
Plus 失败测试用例
  • 无失败测试