cf-2062-e2

[
  {
    "total": 2,
    "answer": "```python\nfrom collections import defaultdict, deque\n\ndef dfs(v, p, adj, w, s, f, pos):\n    for u in adj[v]:\n        if u != p:\n            s[v] = dfs(u, v, adj, w, s, f, pos)\n            s[v] += s[u]\n    if s[v] == f[v]:\n        s[v] = pos\n        pos += 1\n    return s[v], pos\n\ndef solve():\n    n = int(input())\n    w = list(map(int, input().split()))\n    adj = defaultdict(list)\n    for _ in range(n - 1):\n        u, v = map(int, input().split())\n        adj[u].append(v)\n        adj[v].append(u)\n    s = [0] * (n + 1)\n    f = [1] * (n + 1)\n    pos = 1\n    s[1], pos = dfs(1, 0, adj, w, s, f, pos)\n    mx = max(w)\n    ans = [i + 1 for i in range(n) if w[i] == mx and s[i + 1] == pos]\n    print(len(ans), *ans)\n\nt = int(input())\nfor _ in range(t):\n    solve()\n```",
    "passed": 0,
    "test_error": "                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\nE           File \"/tmp/llmlab-cf-2062-e2-6nllol32/solution.py\", line 6, in dfs\nE             s[v] = dfs(u, v, adj, w, s, f, pos)\nE                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\nE           File \"/tmp/llmlab-cf-2062-e2-6nllol32/solution.py\", line 7, in dfs\nE             s[v] += s[u]\nE         TypeError: can only concatenate tuple (not \"int\") to tuple\nE         \nE       assert 1 == 0\nE        +  where 1 = CompletedProcess(args=['/home/psc/miniconda3/bin/python', '/tmp/llmlab-cf-2062-e2-6nllol32/solution.py'], returncode=1...6nllol32/solution.py\", line 7, in dfs\\n    s[v] += s[u]\\nTypeError: can only concatenate tuple (not \"int\") to tuple\\n').returncode\n\ntest_cf_2062_e2.py:19: AssertionError\n______________________________ test_cf_2062_e2[1] ______________________________\n\ni = 1\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_cf_2062_e2(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-cf-2062-e2-6nllol32/solution.py\", line 31, in <module>\nE             solve()\nE           File \"/tmp/llmlab-cf-2062-e2-6nllol32/solution.py\", line 24, in solve\nE             s[1], pos = dfs(1, 0, adj, w, s, f, pos)\nE                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\nE           File \"/tmp/llmlab-cf-2062-e2-6nllol32/solution.py\", line 6, in dfs\nE             s[v] = dfs(u, v, adj, w, s, f, pos)\nE                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^\nE           File \"/tmp/llmlab-cf-2062-e2-6nllol32/solution.py\", line 7, in dfs\nE             s[v] += s[u]\nE         TypeError: can only concatenate tuple (not \"int\") to tuple\nE         \nE       assert 1 == 0\nE        +  where 1 = CompletedProcess(args=['/home/psc/miniconda3/bin/python', '/tmp/llmlab-cf-2062-e2-6nllol32/solution.py'], returncode=1...6nllol32/solution.py\", line 7, in dfs\\n    s[v] += s[u]\\nTypeError: can only concatenate tuple (not \"int\") to tuple\\n').returncode\n\ntest_cf_2062_e2.py:19: AssertionError\n=========================== short test summary info ============================\nFAILED test_cf_2062_e2.py::test_cf_2062_e2[0] - AssertionError: runtime error...\nFAILED test_cf_2062_e2.py::test_cf_2062_e2[1] - AssertionError: runtime error...\n2 failed in 0.04s"
  },
  {
    "total": 2,
    "answer": "```python\nfrom collections import defaultdict, deque\n\ndef dfs(v, p, adj, w, s, f, pos):\n    for u in adj[v]:\n        if u != p:\n            s[v], pos = dfs(u, v, adj, w, s, f, pos)\n            s[v] += s[u]\n    if s[v] == f[v]:\n        s[v] = pos\n        pos += 1\n    return s[v], pos\n\ndef solve():\n    n = int(input())\n    w = list(map(int, input().split()))\n    adj = defaultdict(list)\n    for _ in range(n - 1):\n        u, v = map(int, input().split())\n        adj[u].append(v)\n        adj[v].append(u)\n    s = [0] * (n + 1)\n    f = [1] * (n + 1)\n    pos = 1\n    s[1], pos = dfs(1, 0, adj, w, s, f, pos)\n    mx = max(w)\n    ans = [i + 1 for i in range(n) if w[i] == mx and s[i + 1] == pos]\n    print(len(ans), *ans)\n\nt = int(input())\nfor _ in range(t):\n    solve()\n```",
    "passed": 0,
    "test_error": "________________________\n\ni = 0\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_cf_2062_e2(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:]}\"\n>       assert _norm(p.stdout) == _norm(c[\"output\"]), (\n            f\"input={c['input']!r} expected={c['output']!r} got={p.stdout!r}\")\nE       AssertionError: input='5\\n4\\n2 2 4 3\\n1 2\\n1 3\\n2 4\\n5\\n1 2 3 4 5\\n1 2\\n2 3\\n3 4\\n4 5\\n3\\n1 2 3\\n1 2\\n1 3\\n5\\n3 1 3 4 5\\n1 2\\n2 3\\n3 4\\n4 5\\n10\\n1 2 3 2 4 3 3 4 4 3\\n1 4\\n4 6\\n7 4\\n6 9\\n6 5\\n7 8\\n1 2\\n2 3\\n2 10\\n' expected='2 2 4\\n0\\n1 2\\n1 2\\n5 3 4 6 7 10\\n' got='0\\n0\\n0\\n0\\n0\\n'\nE       assert '0\\n0\\n0\\n0\\n0' == '2 2 4\\n0\\n1 ...n5 3 4 6 7 10'\nE         \nE         - 2 2 4\nE           0\nE         - 1 2\nE         - 1 2\nE         - 5 3 4 6 7 10\nE         + 0...\nE         \nE         ...Full output truncated (3 lines hidden), use '-vv' to show\n\ntest_cf_2062_e2.py:20: AssertionError\n______________________________ test_cf_2062_e2[1] ______________________________\n\ni = 1\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_cf_2062_e2(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:]}\"\n>       assert _norm(p.stdout) == _norm(c[\"output\"]), (\n            f\"input={c['input']!r} expected={c['output']!r} got={p.stdout!r}\")\nE       AssertionError: input='5\\n4\\n2 2 4 3\\n1 2\\n1 3\\n2 4\\n5\\n1 2 3 4 5\\n1 2\\n2 3\\n3 4\\n4 5\\n3\\n1 2 3\\n1 2\\n1 3\\n5\\n3 1 3 4 5\\n1 2\\n2 3\\n3 4\\n4 5\\n10\\n1 2 3 2 4 3 3 4 4 3\\n1 4\\n4 6\\n7 4\\n6 9\\n6 5\\n7 8\\n1 2\\n2 3\\n2 10' expected='2 2 4\\n0\\n1 2\\n1 2\\n5 3 4 6 7 10' got='0\\n0\\n0\\n0\\n0\\n'\nE       assert '0\\n0\\n0\\n0\\n0' == '2 2 4\\n0\\n1 ...n5 3 4 6 7 10'\nE         \nE         - 2 2 4\nE           0\nE         - 1 2\nE         - 1 2\nE         - 5 3 4 6 7 10\nE         + 0...\nE         \nE         ...Full output truncated (3 lines hidden), use '-vv' to show\n\ntest_cf_2062_e2.py:20: AssertionError\n=========================== short test summary info ============================\nFAILED test_cf_2062_e2.py::test_cf_2062_e2[0] - AssertionError: input='5\\n4\\n...\nFAILED test_cf_2062_e2.py::test_cf_2062_e2[1] - AssertionError: input='5\\n4\\n...\n2 failed in 0.04s"
  },
  {
    "total": 2,
    "answer": "```python\nfrom collections import defaultdict, deque\n\ndef dfs(v, p, adj, w, s, f, pos):\n    for u in adj[v]:\n        if u != p:\n            s[v], pos = dfs(u, v, adj, w, s, f, pos)\n            s[v] += s[u]\n    if s[v] == f[v]:\n        s[v] = pos\n        pos += 1\n    return s[v], pos\n\ndef solve():\n    n = int(input())\n    w = list(map(int, input().split()))\n    adj = defaultdict(list)\n    for _ in range(n - 1):\n        u, v = map(int, input().split())\n        adj[u].append(v)\n        adj[v].append(u)\n    s = [0] * (n + 1)\n    f = [1] * (n + 1)\n    pos = 1\n    s[1], pos = dfs(1, 0, adj, w, s, f, pos)\n    mx = max(w)\n    ans = [i + 1 for i in range(n) if w[i] == mx and s[i + 1] == pos]\n    print(len(ans), *ans)\n\nt = int(input())\nfor _ in range(t):\n    solve()\n```",
    "passed": 0,
    "test_error": ""
  }
]

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.