lcb-0155

0.500

1/2 tests· algorithms

Proposed solution

```python
from typing import List

class Solution:
    def minimumPairRemoval(self, nums: List[int]) -> int:
        operations = 0
        while True:
            found_pair = False
            min_sum = float('inf')
            pair_index = -1
            for i in range(len(nums) - 1):
                if nums[i] > nums[i + 1]:
                    found_pair = True
                    current_sum = nums[i] + nums[i + 1]
                    if current_sum < min_sum:
                        min_sum = current_sum
                        pair_index = i
            if not found_pair:
                break
            nums[pair_index] = min_sum
            del nums[pair_index + 1]
            operations += 1
        return operations
```

Test output (stdout)

F.                                                                       [100%]
=================================== FAILURES ===================================
_______________________________ test_lcb_0155[0] _______________________________

i = 0

    @pytest.mark.parametrize("i", range(len(_CASES)))
    def test_lcb_0155(i):
        c = _CASES[i]
        args = _parse(c["input"])
        expected = _parse(c["output"])
        expected = expected[0] if len(expected) == 1 else expected
        got = Solution().minimumPairRemoval(*args)
>       assert _eq(got, expected), f"args={args!r} expected={expected!r} got={got!r}"
E       AssertionError: args=[[11]] expected=2 got=3
E       assert False
E        +  where False = _eq(3, 2)

test_lcb_0155.py:47: AssertionError
=========================== short test summary info ============================
FAILED test_lcb_0155.py::test_lcb_0155[0] - AssertionError: args=[[11]] expec...
1 failed, 1 passed in 0.02s

Self-repair attempts

[
  {
    "total": 2,
    "answer": "```python\nfrom typing import List\n\nclass Solution:\n    def minimumPairRemoval(self, nums: List[int]) -> int:\n        operations = 0\n        while True:\n            found_pair = False\n            min_sum = float('inf')\n            pair_index = -1\n            for i in range(len(nums) - 1):\n                if nums[i] > nums[i + 1]:\n                    found_pair = True\n                    current_sum = nums[i] + nums[i + 1]\n                    if current_sum < min_sum:\n                        min_sum = current_sum\n                        pair_index = i\n            if not found_pair:\n                break\n            nums[pair_index] = min_sum\n            del nums[pair_index + 1]\n            operations += 1\n        return operations\n```",
    "passed": 1,
    "test_error": "F.                                                                       [100%]\n=================================== FAILURES ===================================\n_______________________________ test_lcb_0155[0] _______________________________\n\ni = 0\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_lcb_0155(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().minimumPairRemoval(*args)\n>       assert _eq(got, expected), f\"args={args!r} expected={expected!r} got={got!r}\"\nE       AssertionError: args=[[11]] expected=2 got=3\nE       assert False\nE        +  where False = _eq(3, 2)\n\ntest_lcb_0155.py:47: AssertionError\n=========================== short test summary info ============================\nFAILED test_lcb_0155.py::test_lcb_0155[0] - AssertionError: args=[[11]] expec...\n1 failed, 1 passed in 0.02s"
  },
  {
    "total": 2,
    "answer": "```python\nfrom typing import List\n\nclass Solution:\n    def minimumPairRemoval(self, nums: List[int]) -> int:\n        operations = 0\n        while True:\n            found_pair = False\n            min_sum = float('inf')\n            pair_index = -1\n            for i in range(len(nums) - 1):\n                if nums[i] > nums[i + 1]:\n                    found_pair = True\n                    current_sum = nums[i] + nums[i + 1]\n                    if current_sum < min_sum:\n                        min_sum = current_sum\n                        pair_index = i\n            if not found_pair:\n                break\n            nums[pair_index] = min_sum\n            del nums[pair_index + 1]\n            operations += 1\n        return operations\n```",
    "passed": 1,
    "test_error": "F.                                                                       [100%]\n=================================== FAILURES ===================================\n_______________________________ test_lcb_0155[0] _______________________________\n\ni = 0\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_lcb_0155(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().minimumPairRemoval(*args)\n>       assert _eq(got, expected), f\"args={args!r} expected={expected!r} got={got!r}\"\nE       AssertionError: args=[[11]] expected=2 got=3\nE       assert False\nE        +  where False = _eq(3, 2)\n\ntest_lcb_0155.py:47: AssertionError\n=========================== short test summary info ============================\nFAILED test_lcb_0155.py::test_lcb_0155[0] - AssertionError: args=[[11]] expec...\n1 failed, 1 passed in 0.02s"
  },
  {
    "total": 2,
    "answer": "```python\nfrom typing import List\n\nclass Solution:\n    def minimumPairRemoval(self, nums: List[int]) -> int:\n        operations = 0\n        while True:\n            found_pair = False\n            min_sum = float('inf')\n            pair_index = -1\n            for i in range(len(nums) - 1):\n                if nums[i] > nums[i + 1]:\n                    found_pair = True\n                    current_sum = nums[i] + nums[i + 1]\n                    if current_sum < min_sum:\n                        min_sum = current_sum\n                        pair_index = i\n            if not found_pair:\n                break\n            nums[pair_index] = min_sum\n            del nums[pair_index + 1]\n            operations += 1\n        return operations\n```",
    "passed": 1,
    "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.