cf-2059-c

0.333

1/3 tests· algorithms

Proposed solution

```python
from collections import defaultdict

def solve():
    n = int(input())
    a = [list(map(int, input().split())) for _ in range(n)]
    s = [0] * n
    for i in range(n):
        for j in range(n):
            s[i] += a[i][j]
    f = [0] * (n + 1)
    for i in range(n):
        for j in range(n, 0, -1):
            if j > i:
                f[j] = f[j - 1]
            else:
                f[j] = max(f[j], f[j - 1] + s[i] - j + 1)
    ans = 0
    for i in range(1, n + 1):
        if f[i] >= ans:
            ans = i
    print(ans)

if __name__ == "__main__":
    t = int(input())
    for _ in range(t):
        solve()
```

Test output (stdout)

F.F                                                                      [100%]
=================================== FAILURES ===================================
______________________________ test_cf_2059_c[0] _______________________________

i = 0

    @pytest.mark.parametrize("i", range(len(_CASES)))
    def test_cf_2059_c(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:]}"
>       assert _norm(p.stdout) == _norm(c["output"]), (
            f"input={c['input']!r} expected={c['output']!r} got={p.stdout!r}")
E       AssertionError: input='4\n2\n1 2\n2 1\n2\n10 10\n10 10\n3\n2 3 3\n4 4 1\n2 1 1\n4\n4 2 2 17\n1 9 3 1\n5 5 5 11\n1 2 1 1\n' expected='2\n1\n3\n3\n' got='1\n1\n2\n3\n'
E       assert '1\n1\n2\n3' == '2\n1\n3\n3'
E         
E         + 1
E         + 1
E           2
E         - 1
E         - 3
E           3

test_cf_2059_c.py:20: AssertionError
______________________________ test_cf_2059_c[2] _______________________________

i = 2

    @pytest.mark.parametrize("i", range(len(_CASES)))
    def test_cf_2059_c(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:]}"
>       assert _norm(p.stdout) == _norm(c["output"]), (
            f"input={c['input']!r} expected={c['output']!r} got={p.stdout!r}")
E       AssertionError: input='4\n2\n1 2\n2 1\n2\n10 10\n10 10\n3\n2 3 3\n4 4 1\n2 1 1\n4\n4 2 2 17\n1 9 3 1\n5 5 5 11\n1 2 1 1' expected='2\n1\n3\n3' got='1\n1\n2\n3\n'
E       assert '1\n1\n2\n3' == '2\n1\n3\n3'
E         
E         + 1
E         + 1
E           2
E         - 1
E         - 3
E           3

test_cf_2059_c.py:20: AssertionError
=========================== short test summary info ============================
FAILED test_cf_2059_c.py::test_cf_2059_c[0] - AssertionError: input='4\n2\n1 ...
FAILED test_cf_2059_c.py::test_cf_2059_c[2] - AssertionError: input='4\n2\n1 ...
2 failed, 1 passed in 0.05s

Self-repair attempts

[
  {
    "total": 3,
    "answer": "```python\nfrom collections import defaultdict\n\ndef solve():\n    n = int(input())\n    a = [list(map(int, input().split())) for _ in range(n)]\n    s = [0] * n\n    for i in range(n):\n        for j in range(n):\n            s[i] += a[i][j]\n    f = [0] * (n + 1)\n    for i in range(n):\n        for j in range(n, 0, -1):\n            if j > i:\n                f[j] = f[j - 1]\n            else:\n                f[j] = max(f[j], f[j - 1] + s[i] - j + 1)\n    ans = 0\n    for i in range(1, n + 1):\n        if f[i] >= ans:\n            ans = i\n    print(ans)\n\nif __name__ == \"__main__\":\n    t = int(input())\n    for _ in range(t):\n        solve()\n```",
    "passed": 1,
    "test_error": "F.F                                                                      [100%]\n=================================== FAILURES ===================================\n______________________________ test_cf_2059_c[0] _______________________________\n\ni = 0\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_cf_2059_c(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='4\\n2\\n1 2\\n2 1\\n2\\n10 10\\n10 10\\n3\\n2 3 3\\n4 4 1\\n2 1 1\\n4\\n4 2 2 17\\n1 9 3 1\\n5 5 5 11\\n1 2 1 1\\n' expected='2\\n1\\n3\\n3\\n' got='1\\n1\\n2\\n3\\n'\nE       assert '1\\n1\\n2\\n3' == '2\\n1\\n3\\n3'\nE         \nE         + 1\nE         + 1\nE           2\nE         - 1\nE         - 3\nE           3\n\ntest_cf_2059_c.py:20: AssertionError\n______________________________ test_cf_2059_c[2] _______________________________\n\ni = 2\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_cf_2059_c(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='4\\n2\\n1 2\\n2 1\\n2\\n10 10\\n10 10\\n3\\n2 3 3\\n4 4 1\\n2 1 1\\n4\\n4 2 2 17\\n1 9 3 1\\n5 5 5 11\\n1 2 1 1' expected='2\\n1\\n3\\n3' got='1\\n1\\n2\\n3\\n'\nE       assert '1\\n1\\n2\\n3' == '2\\n1\\n3\\n3'\nE         \nE         + 1\nE         + 1\nE           2\nE         - 1\nE         - 3\nE           3\n\ntest_cf_2059_c.py:20: AssertionError\n=========================== short test summary info ============================\nFAILED test_cf_2059_c.py::test_cf_2059_c[0] - AssertionError: input='4\\n2\\n1 ...\nFAILED test_cf_2059_c.py::test_cf_2059_c[2] - AssertionError: input='4\\n2\\n1 ...\n2 failed, 1 passed in 0.05s"
  },
  {
    "total": 3,
    "answer": "```python\nfrom collections import defaultdict\n\ndef solve():\n    n = int(input())\n    a = [list(map(int, input().split())) for _ in range(n)]\n    s = [0] * n\n    for i in range(n):\n        for j in range(n):\n            s[i] += a[i][j]\n    f = [0] * (n + 1)\n    for i in range(n):\n        for j in range(n, 0, -1):\n            if j > i:\n                f[j] = f[j - 1]\n            else:\n                f[j] = max(f[j], f[j - 1] + s[i] - j + 1)\n    ans = 0\n    for i in range(1, n + 1):\n        if f[i] >= ans:\n            ans = i\n    print(ans)\n\nif __name__ == \"__main__\":\n    t = int(input())\n    for _ in range(t):\n        solve()\n```",
    "passed": 1,
    "test_error": "F.F                                                                      [100%]\n=================================== FAILURES ===================================\n______________________________ test_cf_2059_c[0] _______________________________\n\ni = 0\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_cf_2059_c(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='4\\n2\\n1 2\\n2 1\\n2\\n10 10\\n10 10\\n3\\n2 3 3\\n4 4 1\\n2 1 1\\n4\\n4 2 2 17\\n1 9 3 1\\n5 5 5 11\\n1 2 1 1\\n' expected='2\\n1\\n3\\n3\\n' got='1\\n1\\n2\\n3\\n'\nE       assert '1\\n1\\n2\\n3' == '2\\n1\\n3\\n3'\nE         \nE         + 1\nE         + 1\nE           2\nE         - 1\nE         - 3\nE           3\n\ntest_cf_2059_c.py:20: AssertionError\n______________________________ test_cf_2059_c[2] _______________________________\n\ni = 2\n\n    @pytest.mark.parametrize(\"i\", range(len(_CASES)))\n    def test_cf_2059_c(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='4\\n2\\n1 2\\n2 1\\n2\\n10 10\\n10 10\\n3\\n2 3 3\\n4 4 1\\n2 1 1\\n4\\n4 2 2 17\\n1 9 3 1\\n5 5 5 11\\n1 2 1 1' expected='2\\n1\\n3\\n3' got='1\\n1\\n2\\n3\\n'\nE       assert '1\\n1\\n2\\n3' == '2\\n1\\n3\\n3'\nE         \nE         + 1\nE         + 1\nE           2\nE         - 1\nE         - 3\nE           3\n\ntest_cf_2059_c.py:20: AssertionError\n=========================== short test summary info ============================\nFAILED test_cf_2059_c.py::test_cf_2059_c[0] - AssertionError: input='4\\n2\\n1 ...\nFAILED test_cf_2059_c.py::test_cf_2059_c[2] - AssertionError: input='4\\n2\\n1 ...\n2 failed, 1 passed in 0.05s"
  },
  {
    "total": 3,
    "answer": "```python\nfrom collections import defaultdict\n\ndef solve():\n    n = int(input())\n    a = [list(map(int, input().split())) for _ in range(n)]\n    s = [0] * n\n    for i in range(n):\n        for j in range(n):\n            s[i] += a[i][j]\n    f = [0] * (n + 1)\n    for i in range(n):\n        for j in range(n, 0, -1):\n            if j > i:\n                f[j] = f[j - 1]\n            else:\n                f[j] = max(f[j], f[j - 1] + s[i] - j + 1)\n    ans = 0\n    for i in range(1, n + 1):\n        if f[i] >= ans:\n            ans = i\n    print(ans)\n\nif __name__ == \"__main__\":\n    t = int(input())\n    for _ in range(t):\n        solve()\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.