测试评估
| 指标 | 结果 |
|---|---|
| Base 测试 | PASS |
| Plus 测试 | PASS |
| 代码长度 | 424 字符 |
模型生成的代码 (424 字符)
import math
def sum_Of_product(n: int) -> int:
"""
Returns the sum of the product of consecutive binomial coefficients
for a given integer n. That is, sum_{k=0}^{n-1} C(n, k) * C(n, k+1).
This equals C(2n, n-1).
"""
if n < 0:
raise ValueError("n must be a non-negative integer")
# Combinatorial identity: sum_{k=0}^{n-1} C(n, k) * C(n, k+1) = C(2n, n-1)
return math.comb(2 * 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