测试评估
| 指标 | 结果 |
|---|---|
| Base 测试 | PASS |
| Plus 测试 | PASS |
| 代码长度 | 585 字符 |
模型生成的代码 (585 字符)
def find_first_occurrence(arr, target):
"""
Returns the index of the first occurrence of target in a sorted array arr.
If target is not found, returns -1.
Uses binary search for O(log n) time complexity.
"""
left, right = 0, len(arr) - 1
result = -1
while left <= right:
mid = left + (right - left) // 2
if arr[mid] == target:
result = mid
right = mid - 1 # continue searching on the left side
elif arr[mid] < target:
left = mid + 1
else:
right = mid - 1
return result
Base 失败测试用例
- 无失败测试
Plus 失败测试用例
- 无失败测试