← run

lcb-0103

0.000
0/3 tests· algorithms

Proposed solution

```python
import sys
from math import factorial

MOD = 998244353

def modinv(a, m):
    m0, x0, x1 = m, 0, 1
    while a > 1:
        q = a // m
        m, a = a % m, m
        x0, x1 = x1 - q * x0, x0
    return x1 + m0 if x1 < 0 else x1

def C(n, k, mod):
    if k < 0 or k > n:
        return 0
    return fact[n] * modinv(fact[k], mod) % mod * modinv(fact[n-k], mod) % mod

def main():
    input_data = sys.stdin.read().splitlines()
    idx = 0
    results = []
    for _ in range(int(input_data[idx])):
        idx += 1
        N, Q = map(int, input_data[idx].split())
        idx += 1
        A = list(map(int, input_data[idx].split()))
        idx += 1
        for _ in range(Q):
            u, v = map(int, input_data[idx].split())
            idx += 1
            if u == 1 or v == 1 or u == v:
                results.append(str(A[u-1] % MOD))
            else:
                results.append(str((A[u-1] + A[v-1]) % MOD))
    print("\n".join(results))

if __name__ == "__main__":
    main()
```

Test output (stdout)

0%]
=================================== FAILURES ===================================
_______________________________ test_lcb_0103[0] _______________________________

i = 0

    @pytest.mark.parametrize("i", range(len(_CASES)))
    def test_lcb_0103(i):
        c = _CASES[i]
        p = subprocess.run([sys.executable, str(_D / "solution.py")],
                           input=c["input"], capture_output=True, text=True, timeout=15)
>       assert p.returncode == 0, f"runtime error: {p.stderr[-800:]}"
E       AssertionError: runtime error: Traceback (most recent call last):
E           File "/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py", line 39, in <module>
E             main()
E           File "/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py", line 23, in main
E             for _ in range(int(input_data[idx])):
E                            ^^^^^^^^^^^^^^^^^^^^
E         ValueError: invalid literal for int() with base 10: '3 2'
E         
E       assert 1 == 0
E        +  where 1 = CompletedProcess(args=['/home/psc/miniconda3/bin/python', '/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py'], returncode=1, ..._data[idx])):\n                   ^^^^^^^^^^^^^^^^^^^^\nValueError: invalid literal for int() with base 10: \'3 2\'\n').returncode

test_lcb_0103.py:19: AssertionError
_______________________________ test_lcb_0103[1] _______________________________

i = 1

    @pytest.mark.parametrize("i", range(len(_CASES)))
    def test_lcb_0103(i):
        c = _CASES[i]
        p = subprocess.run([sys.executable, str(_D / "solution.py")],
                           input=c["input"], capture_output=True, text=True, timeout=15)
>       assert p.returncode == 0, f"runtime error: {p.stderr[-800:]}"
E       AssertionError: runtime error: Traceback (most recent call last):
E           File "/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py", line 39, in <module>
E             main()
E           File "/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py", line 23, in main
E             for _ in range(int(input_data[idx])):
E                            ^^^^^^^^^^^^^^^^^^^^
E         ValueError: invalid literal for int() with base 10: '2 1'
E         
E       assert 1 == 0
E        +  where 1 = CompletedProcess(args=['/home/psc/miniconda3/bin/python', '/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py'], returncode=1, ..._data[idx])):\n                   ^^^^^^^^^^^^^^^^^^^^\nValueError: invalid literal for int() with base 10: \'2 1\'\n').returncode

test_lcb_0103.py:19: AssertionError
_______________________________ test_lcb_0103[2] _______________________________

i = 2

    @pytest.mark.parametrize("i", range(len(_CASES)))
    def test_lcb_0103(i):
        c = _CASES[i]
        p = subprocess.run([sys.executable, str(_D / "solution.py")],
                           input=c["input"], capture_output=True, text=True, timeout=15)
>       assert p.returncode == 0, f"runtime error: {p.stderr[-800:]}"
E       AssertionError: runtime error: Traceback (most recent call last):
E           File "/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py", line 39, in <module>
E             main()
E           File "/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py", line 23, in main
E             for _ in range(int(input_data[idx])):
E                            ^^^^^^^^^^^^^^^^^^^^
E         ValueError: invalid literal for int() with base 10: '9 6'
E         
E       assert 1 == 0
E        +  where 1 = CompletedProcess(args=['/home/psc/miniconda3/bin/python', '/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py'], returncode=1, ..._data[idx])):\n                   ^^^^^^^^^^^^^^^^^^^^\nValueError: invalid literal for int() with base 10: \'9 6\'\n').returncode

test_lcb_0103.py:19: AssertionError
=========================== short test summary info ============================
FAILED test_lcb_0103.py::test_lcb_0103[0] - AssertionError: runtime error: Tr...
FAILED test_lcb_0103.py::test_lcb_0103[1] - AssertionError: runtime error: Tr...
FAILED test_lcb_0103.py::test_lcb_0103[2] - AssertionError: runtime error: Tr...
3 failed in 0.06s
Self-repair attempts
[
  {
    "total": 3,
    "answer": "```python\nimport sys\nfrom math import factorial\n\nMOD = 998244353\n\ndef modinv(a, m):\n    m0, x0, x1 = m, 0, 1\n    while a > 1:\n        q = a // m\n        m, a = a % m, m\n        x0, x1 = x1 - q * x0, x0\n    return x1 + m0 if x1 < 0 else x1\n\ndef C(n, k, mod):\n    if k < 0 or k > n:\n        return 0\n    return fact[n] * modinv(fact[k], mod) % mod * modinv(fact[n-k], mod) % mod\n\ndef main():\n    input_data = sys.stdin.read().splitlines()\n    idx = 0\n    results = []\n    for _ in range(int(input_data[idx])):\n        idx += 1\n        N, Q = map(int, input_data[idx].split())\n        idx += 1\n        A = list(map(int, input_data[idx].split()))\n        idx += 1\n        for _ in range(Q):\n            u, v = map(int, input_data[idx].split())\n            idx += 1\n            if u == 1 or v == 1 or u == v:\n                results.append(str(A[u-1] % MOD))\n            else:\n                results.append(str((A[u-1] + A[v-1]) % MOD))\n    print(\"\\n\".join(results))\n\nif __name__ == \"__main__\":\n    main()\n```",
    "passed": 0,
    "test_error": "executable, str(_D / \"solution.py\")],\n                           input=c[\"input\"], capture_output=True, text=True, timeout=15)\n>       assert p.returncode == 0, f\"runtime error: {p.stderr[-800:]}\"\nE       AssertionError: runtime error: Traceback (most recent call last):\nE           File \"/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py\", line 39, in <module>\nE             main()\nE           File \"/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py\", line 23, in main\nE             for _ in range(int(input_data[idx])):\nE                            ^^^^^^^^^^^^^^^^^^^^\nE         ValueError: invalid literal for int() with base 10: '2 1'\nE         \nE       assert 1 == 0\nE        +  where 1 = CompletedProcess(args=['/home/psc/miniconda3/bin/python', '/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py'], returncode=1, ..._data[idx])):\\n                   ^^^^^^^^^^^^^^^^^^^^\\nValueError: invalid literal for int() with base 10: \\'2 1\\'\\n').returncode\n\ntest_lcb_0103.py:19: AssertionError\n_______________________________ test_lcb_0103[2] _______________________________\n\ni = 2\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_lcb_0103(i):\n        c = _CASES[i]\n        p = subprocess.run([sys.executable, str(_D / \"solution.py\")],\n                           input=c[\"input\"], capture_output=True, text=True, timeout=15)\n>       assert p.returncode == 0, f\"runtime error: {p.stderr[-800:]}\"\nE       AssertionError: runtime error: Traceback (most recent call last):\nE           File \"/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py\", line 39, in <module>\nE             main()\nE           File \"/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py\", line 23, in main\nE             for _ in range(int(input_data[idx])):\nE                            ^^^^^^^^^^^^^^^^^^^^\nE         ValueError: invalid literal for int() with base 10: '9 6'\nE         \nE       assert 1 == 0\nE        +  where 1 = CompletedProcess(args=['/home/psc/miniconda3/bin/python', '/tmp/llmlab-lcb-0103-dnaa4u3f/solution.py'], returncode=1, ..._data[idx])):\\n                   ^^^^^^^^^^^^^^^^^^^^\\nValueError: invalid literal for int() with base 10: \\'9 6\\'\\n').returncode\n\ntest_lcb_0103.py:19: AssertionError\n=========================== short test summary info ============================\nFAILED test_lcb_0103.py::test_lcb_0103[0] - AssertionError: runtime error: Tr...\nFAILED test_lcb_0103.py::test_lcb_0103[1] - AssertionError: runtime error: Tr...\nFAILED test_lcb_0103.py::test_lcb_0103[2] - AssertionError: runtime error: Tr...\n3 failed in 0.06s"
  },
  {
    "total": 3,
    "answer": "```python\nimport sys\nfrom math import factorial\n\nMOD = 998244353\n\ndef modinv(a, m):\n    m0, x0, x1 = m, 0, 1\n    while a > 1:\n        q = a // m\n        m, a = a % m, m\n        x0, x1 = x1 - q * x0, x0\n    return x1 + m0 if x1 < 0 else x1\n\ndef C(n, k, mod):\n    if k < 0 or k > n:\n        return 0\n    return factorial[n] * modinv(factorial[k], mod) % mod * modinv(factorial[n-k], mod) % mod\n\ndef main():\n    input_data = sys.stdin.read().splitlines()\n    idx = 0\n    results = []\n    for _ in range(int(input_data[idx])):\n        idx += 1\n        N, Q = map(int, input_data[idx].split())\n        idx += 1\n        A = list(map(int, input_data[idx].split()))\n        idx += 1\n        for _ in range(Q):\n            u, v = map(int, input_data[idx].split())\n            idx += 1\n            if u == 1 or v == 1 or u == v:\n                results.append(str(A[u-1] % MOD))\n            else:\n                results.append(str((A[u-1] + A[v-1]) % MOD))\n    print(\"\\n\".join(results))\n\nif __name__ == \"__main__\":\n    main()\n```",
    "passed": 0,
    "test_error": "executable, str(_D / \"solution.py\")],\n                           input=c[\"input\"], capture_output=True, text=True, timeout=15)\n>       assert p.returncode == 0, f\"runtime error: {p.stderr[-800:]}\"\nE       AssertionError: runtime error: Traceback (most recent call last):\nE           File \"/tmp/llmlab-lcb-0103-254a41_a/solution.py\", line 39, in <module>\nE             main()\nE           File \"/tmp/llmlab-lcb-0103-254a41_a/solution.py\", line 23, in main\nE             for _ in range(int(input_data[idx])):\nE                            ^^^^^^^^^^^^^^^^^^^^\nE         ValueError: invalid literal for int() with base 10: '2 1'\nE         \nE       assert 1 == 0\nE        +  where 1 = CompletedProcess(args=['/home/psc/miniconda3/bin/python', '/tmp/llmlab-lcb-0103-254a41_a/solution.py'], returncode=1, ..._data[idx])):\\n                   ^^^^^^^^^^^^^^^^^^^^\\nValueError: invalid literal for int() with base 10: \\'2 1\\'\\n').returncode\n\ntest_lcb_0103.py:19: AssertionError\n_______________________________ test_lcb_0103[2] _______________________________\n\ni = 2\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_lcb_0103(i):\n        c = _CASES[i]\n        p = subprocess.run([sys.executable, str(_D / \"solution.py\")],\n                           input=c[\"input\"], capture_output=True, text=True, timeout=15)\n>       assert p.returncode == 0, f\"runtime error: {p.stderr[-800:]}\"\nE       AssertionError: runtime error: Traceback (most recent call last):\nE           File \"/tmp/llmlab-lcb-0103-254a41_a/solution.py\", line 39, in <module>\nE             main()\nE           File \"/tmp/llmlab-lcb-0103-254a41_a/solution.py\", line 23, in main\nE             for _ in range(int(input_data[idx])):\nE                            ^^^^^^^^^^^^^^^^^^^^\nE         ValueError: invalid literal for int() with base 10: '9 6'\nE         \nE       assert 1 == 0\nE        +  where 1 = CompletedProcess(args=['/home/psc/miniconda3/bin/python', '/tmp/llmlab-lcb-0103-254a41_a/solution.py'], returncode=1, ..._data[idx])):\\n                   ^^^^^^^^^^^^^^^^^^^^\\nValueError: invalid literal for int() with base 10: \\'9 6\\'\\n').returncode\n\ntest_lcb_0103.py:19: AssertionError\n=========================== short test summary info ============================\nFAILED test_lcb_0103.py::test_lcb_0103[0] - AssertionError: runtime error: Tr...\nFAILED test_lcb_0103.py::test_lcb_0103[1] - AssertionError: runtime error: Tr...\nFAILED test_lcb_0103.py::test_lcb_0103[2] - AssertionError: runtime error: Tr...\n3 failed in 0.05s"
  },
  {
    "total": 3,
    "answer": "```python\nimport sys\nfrom math import factorial\n\nMOD = 998244353\n\ndef modinv(a, m):\n    m0, x0, x1 = m, 0, 1\n    while a > 1:\n        q = a // m\n        m, a = a % m, m\n        x0, x1 = x1 - q * x0, x0\n    return x1 + m0 if x1 < 0 else x1\n\ndef C(n, k, mod):\n    if k < 0 or k > n:\n        return 0\n    return factorial[n] * modinv(factorial[k], mod) % mod * modinv(factorial[n-k], mod) % mod\n\ndef main():\n    input_data = sys.stdin.read().splitlines()\n    idx = 0\n    results = []\n    for _ in range(int(input_data[idx])):\n        idx += 1\n        N, Q = map(int, input_data[idx].split())\n        idx += 1\n        A = list(map(int, input_data[idx].split()))\n        idx += 1\n        for _ in range(Q):\n            u, v = map(int, input_data[idx].split())\n            idx += 1\n            if u == 1 or v == 1 or u == v:\n                results.append(str(A[u-1] % MOD))\n            else:\n                results.append(str((A[u-1] + A[v-1]) % MOD))\n    print(\"\\n\".join(results))\n\nif __name__ == \"__main__\":\n    main()\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.