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lcb-0173

0.000
0/4 tests· algorithms

Proposed solution

```python
class Solution:
    def maxActiveSectionsAfterTrade(self, s: str) -> int:
        s = '1' + s + '1'
        n = len(s) - 2
        max_active = 0
        i = 0
        while i < n:
            if s[i] == '1':
                start = i
                while i < n and s[i] == '1':
                    i += 1
                end = i
                while i < n and s[i] == '0':
                    i += 1
                max_active = max(max_active, end - start + 1)
            else:
                i += 1
        return max_active
```

Test output (stdout)

FFFF                                                                     [100%]
=================================== FAILURES ===================================
_______________________________ test_lcb_0173[0] _______________________________

i = 0

    @pytest.mark.parametrize("i", range(len(_CASES)))
    def test_lcb_0173(i):
        c = _CASES[i]
        args = _parse(c["input"])
        expected = _parse(c["output"])
        expected = expected[0] if len(expected) == 1 else expected
        got = Solution().maxActiveSectionsAfterTrade(*args)
>       assert _eq(got, expected), f"args={args!r} expected={expected!r} got={got!r}"
E       AssertionError: args=['01'] expected=1 got=2
E       assert False
E        +  where False = _eq(2, 1)

test_lcb_0173.py:47: AssertionError
_______________________________ test_lcb_0173[1] _______________________________

i = 1

    @pytest.mark.parametrize("i", range(len(_CASES)))
    def test_lcb_0173(i):
        c = _CASES[i]
        args = _parse(c["input"])
        expected = _parse(c["output"])
        expected = expected[0] if len(expected) == 1 else expected
        got = Solution().maxActiveSectionsAfterTrade(*args)
>       assert _eq(got, expected), f"args={args!r} expected={expected!r} got={got!r}"
E       AssertionError: args=['0100'] expected=4 got=2
E       assert False
E        +  where False = _eq(2, 4)

test_lcb_0173.py:47: AssertionError
_______________________________ test_lcb_0173[2] _______________________________

i = 2

    @pytest.mark.parametrize("i", range(len(_CASES)))
    def test_lcb_0173(i):
        c = _CASES[i]
        args = _parse(c["input"])
        expected = _parse(c["output"])
        expected = expected[0] if len(expected) == 1 else expected
        got = Solution().maxActiveSectionsAfterTrade(*args)
>       assert _eq(got, expected), f"args={args!r} expected={expected!r} got={got!r}"
E       AssertionError: args=['1000100'] expected=7 got=3
E       assert False
E        +  where False = _eq(3, 7)

test_lcb_0173.py:47: AssertionError
_______________________________ test_lcb_0173[3] _______________________________

i = 3

    @pytest.mark.parametrize("i", range(len(_CASES)))
    def test_lcb_0173(i):
        c = _CASES[i]
        args = _parse(c["input"])
        expected = _parse(c["output"])
        expected = expected[0] if len(expected) == 1 else expected
        got = Solution().maxActiveSectionsAfterTrade(*args)
>       assert _eq(got, expected), f"args={args!r} expected={expected!r} got={got!r}"
E       AssertionError: args=['01010'] expected=4 got=2
E       assert False
E        +  where False = _eq(2, 4)

test_lcb_0173.py:47: AssertionError
=========================== short test summary info ============================
FAILED test_lcb_0173.py::test_lcb_0173[0] - AssertionError: args=['01'] expec...
FAILED test_lcb_0173.py::test_lcb_0173[1] - AssertionError: args=['0100'] exp...
FAILED test_lcb_0173.py::test_lcb_0173[2] - AssertionError: args=['1000100'] ...
FAILED test_lcb_0173.py::test_lcb_0173[3] - AssertionError: args=['01010'] ex...
4 failed in 0.02s
Self-repair attempts
[
  {
    "total": 4,
    "answer": "```python\nclass Solution:\n    def maxActiveSectionsAfterTrade(self, s: str) -> int:\n        s = '1' + s + '1'\n        n = len(s) - 2\n        max_active = 0\n        i = 0\n        while i < n:\n            if s[i] == '1':\n                start = i\n                while i < n and s[i] == '1':\n                    i += 1\n                end = i\n                while i < n and s[i] == '0':\n                    i += 1\n                max_active = max(max_active, end - start + 1)\n            else:\n                i += 1\n        return max_active\n```",
    "passed": 0,
    "test_error": "args={args!r} expected={expected!r} got={got!r}\"\nE       AssertionError: args=['01'] expected=1 got=2\nE       assert False\nE        +  where False = _eq(2, 1)\n\ntest_lcb_0173.py:47: AssertionError\n_______________________________ test_lcb_0173[1] _______________________________\n\ni = 1\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_lcb_0173(i):\n        c = _CASES[i]\n        args = _parse(c[\"input\"])\n        expected = _parse(c[\"output\"])\n        expected = expected[0] if len(expected) == 1 else expected\n        got = Solution().maxActiveSectionsAfterTrade(*args)\n>       assert _eq(got, expected), f\"args={args!r} expected={expected!r} got={got!r}\"\nE       AssertionError: args=['0100'] expected=4 got=2\nE       assert False\nE        +  where False = _eq(2, 4)\n\ntest_lcb_0173.py:47: AssertionError\n_______________________________ test_lcb_0173[2] _______________________________\n\ni = 2\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_lcb_0173(i):\n        c = _CASES[i]\n        args = _parse(c[\"input\"])\n        expected = _parse(c[\"output\"])\n        expected = expected[0] if len(expected) == 1 else expected\n        got = Solution().maxActiveSectionsAfterTrade(*args)\n>       assert _eq(got, expected), f\"args={args!r} expected={expected!r} got={got!r}\"\nE       AssertionError: args=['1000100'] expected=7 got=3\nE       assert False\nE        +  where False = _eq(3, 7)\n\ntest_lcb_0173.py:47: AssertionError\n_______________________________ test_lcb_0173[3] _______________________________\n\ni = 3\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_lcb_0173(i):\n        c = _CASES[i]\n        args = _parse(c[\"input\"])\n        expected = _parse(c[\"output\"])\n        expected = expected[0] if len(expected) == 1 else expected\n        got = Solution().maxActiveSectionsAfterTrade(*args)\n>       assert _eq(got, expected), f\"args={args!r} expected={expected!r} got={got!r}\"\nE       AssertionError: args=['01010'] expected=4 got=2\nE       assert False\nE        +  where False = _eq(2, 4)\n\ntest_lcb_0173.py:47: AssertionError\n=========================== short test summary info ============================\nFAILED test_lcb_0173.py::test_lcb_0173[0] - AssertionError: args=['01'] expec...\nFAILED test_lcb_0173.py::test_lcb_0173[1] - AssertionError: args=['0100'] exp...\nFAILED test_lcb_0173.py::test_lcb_0173[2] - AssertionError: args=['1000100'] ...\nFAILED test_lcb_0173.py::test_lcb_0173[3] - AssertionError: args=['01010'] ex...\n4 failed in 0.02s"
  },
  {
    "total": 4,
    "answer": "```python\nclass Solution:\n    def maxActiveSectionsAfterTrade(self, s: str) -> int:\n        s = '1' + s + '1'\n        n = len(s) - 2\n        max_active = 0\n        i = 0\n        while i < n:\n            if s[i] == '1':\n                start = i\n                while i < n and s[i] == '1':\n                    i += 1\n                end = i\n                while i < n and s[i] == '0':\n                    i += 1\n                max_active = max(max_active, end - start + 1)\n            else:\n                i += 1\n        return max_active\n```",
    "passed": 0,
    "test_error": "args={args!r} expected={expected!r} got={got!r}\"\nE       AssertionError: args=['01'] expected=1 got=2\nE       assert False\nE        +  where False = _eq(2, 1)\n\ntest_lcb_0173.py:47: AssertionError\n_______________________________ test_lcb_0173[1] _______________________________\n\ni = 1\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_lcb_0173(i):\n        c = _CASES[i]\n        args = _parse(c[\"input\"])\n        expected = _parse(c[\"output\"])\n        expected = expected[0] if len(expected) == 1 else expected\n        got = Solution().maxActiveSectionsAfterTrade(*args)\n>       assert _eq(got, expected), f\"args={args!r} expected={expected!r} got={got!r}\"\nE       AssertionError: args=['0100'] expected=4 got=2\nE       assert False\nE        +  where False = _eq(2, 4)\n\ntest_lcb_0173.py:47: AssertionError\n_______________________________ test_lcb_0173[2] _______________________________\n\ni = 2\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_lcb_0173(i):\n        c = _CASES[i]\n        args = _parse(c[\"input\"])\n        expected = _parse(c[\"output\"])\n        expected = expected[0] if len(expected) == 1 else expected\n        got = Solution().maxActiveSectionsAfterTrade(*args)\n>       assert _eq(got, expected), f\"args={args!r} expected={expected!r} got={got!r}\"\nE       AssertionError: args=['1000100'] expected=7 got=3\nE       assert False\nE        +  where False = _eq(3, 7)\n\ntest_lcb_0173.py:47: AssertionError\n_______________________________ test_lcb_0173[3] _______________________________\n\ni = 3\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_lcb_0173(i):\n        c = _CASES[i]\n        args = _parse(c[\"input\"])\n        expected = _parse(c[\"output\"])\n        expected = expected[0] if len(expected) == 1 else expected\n        got = Solution().maxActiveSectionsAfterTrade(*args)\n>       assert _eq(got, expected), f\"args={args!r} expected={expected!r} got={got!r}\"\nE       AssertionError: args=['01010'] expected=4 got=2\nE       assert False\nE        +  where False = _eq(2, 4)\n\ntest_lcb_0173.py:47: AssertionError\n=========================== short test summary info ============================\nFAILED test_lcb_0173.py::test_lcb_0173[0] - AssertionError: args=['01'] expec...\nFAILED test_lcb_0173.py::test_lcb_0173[1] - AssertionError: args=['0100'] exp...\nFAILED test_lcb_0173.py::test_lcb_0173[2] - AssertionError: args=['1000100'] ...\nFAILED test_lcb_0173.py::test_lcb_0173[3] - AssertionError: args=['01010'] ex...\n4 failed in 0.02s"
  },
  {
    "total": 4,
    "answer": "```python\nclass Solution:\n    def maxActiveSectionsAfterTrade(self, s: str) -> int:\n        s = '1' + s + '1'\n        n = len(s) - 2\n        max_active = 0\n        i = 0\n        while i < n:\n            if s[i] == '1':\n                start = i\n                while i < n and s[i] == '1':\n                    i += 1\n                end = i\n                while i < n and s[i] == '0':\n                    i += 1\n                max_active = max(max_active, end - start + 1)\n            else:\n                i += 1\n        return max_active\n```",
    "passed": 0,
    "test_error": ""
  }
]
System prompt
You are an expert programmer. Solve the task exactly as specified. Output your solution as fenced code blocks using the required file name(s) and the exact function/type signatures requested. Prefer correctness; do not include prose outside code unless asked.