Mbpp/395

✅ 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323 字符
模型生成的代码 (323 字符)
def first_non_repeating_character(s: str):
    """
    Return the first non-repeated character in the given string.
    If all characters are repeated, return None.
    """
    from collections import Counter
    char_count = Counter(s)
    for ch in s:
        if char_count[ch] == 1:
            return ch
    return None
Base 失败测试用例
  • 无失败测试
Plus 失败测试用例
  • 无失败测试