{"abstract":"BIO invigilators are allowed to supervise BIO exams, while BIOL staff are blocked from BIO-201.","category":"Exam timetabling constraints","checks":8,"contract":"duties [invigilator, exam, period]; teach invigilator -> busy periods; subj invigilator -> subject code; exam subject is the part of the exam id before \"-\". Findings: busy (duty in a busy period), own_subject, double (same invigilator already on duty that period), daily_max (reported once, on the first duty that exceeds maxday on a day = period // spd). Return sorted [invigilator, exam, finding] rows.","evaluation_group":"w2-exam-timetabling-constraints-invigilation-duty-validation","failed_approach":"Taking the part after the hyphen compares course numbers with subjects.","family":"w2-exam-timetabling-constraints-invigilation-duty-validation-subject-code-prefix","id":"FA-94581","implementations":{"attempt":{"sha256":"e939cfe7239a31f582aa498fe989229c1193da3c863793d08cfcbb13f65c11b4","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(duties, teach, subj, maxday, spd):\n    out = []\n    seen = {}\n    per_day = {}\n    for inv, ex, p in duties:\n        if p in teach.get(inv, []):\n            out.append([inv, ex, 'busy'])\n        if ex.split('-')[-1] == subj.get(inv):\n            out.append([inv, ex, 'own_subject'])\n        if (inv, p) in seen:\n            out.append([inv, ex, 'double'])\n        seen[(inv, p)] = ex\n        d = (inv, p // spd)\n        per_day[d] = per_day.get(d, 0) + 1\n        if per_day[d] == maxday + 1:\n            out.append([inv, ex, 'daily_max'])\n    return sorted(out)\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: subject code prefix 1',\n   [[['bob', 'CHEM-110', 0], ['cy', 'BIO-201', 2], ['cy', 'BIO-201', 2], ['ann', 'BIO-201', 4],\n     ['ann', 'MATH-101', 3]],\n    {'ann': [3], 'bob': [], 'cy': []}, {'ann': 'MATH', 'bob': 'CHEM', 'cy': 'BIO'}, 2, 3],\n   [['ann', 'MATH-101', 'busy'], ['ann', 'MATH-101', 'own_subject'], ['bob', 'CHEM-110', 'own_subject'],\n    ['cy', 'BIO-201', 'double'], ['cy', 'BIO-201', 'own_subject'], ['cy', 'BIO-201', 'own_subject']]),\n  ('regression variant: subject code prefix 2',\n   [[['bob', 'BIO-201', 2], ['cy', 'BIO-201', 4], ['bob', 'BIOL-300', 2], ['ann', 'BIOL-300', 5],\n     ['bob', 'CHEM-110', 1]],\n    {'ann': [1], 'bob': [5]}, {'ann': 'CHEM', 'bob': 'BIO', 'cy': 'CHEM'}, 1, 2],\n   [['bob', 'BIO-201', 'own_subject'], ['bob', 'BIOL-300', 'daily_max'], ['bob', 'BIOL-300', 'double']]),\n  ('partial repair guard 3',\n   [[['bob', 'BIOL-300', 4], ['cy', 'CHEM-110', 5], ['cy', 'BIOL-300', 4], ['ann', 'CHEM-110', 4],\n     ['ann', 'BIOL-300', 0], ['cy', 'CHEM-110', 5], ['cy', 'CHEM-110', 2]],\n    {'ann': [], 'cy': [2]}, {'ann': 'MATH', 'bob': 'BIOL', 'cy': 'MATH'}, 2, 3],\n   [['bob', 'BIOL-300', 'own_subject'], ['cy', 'CHEM-110', 'busy'], ['cy', 'CHEM-110', 'daily_max'],\n    ['cy', 'CHEM-110', 'double']]),\n  ('boundary control 4', [[['ann', 'MATH-101', 2], ['ann', 'CHEM-110', 3]], {}, {}, 1, 3], []),\n  ('normal control 5',\n   [[['cy', 'BIOL-300', 1], ['bob', 'MATH-101', 3], ['ann', 'MATH-101', 4], ['ann', 'BIOL-300', 4]],\n    {'cy': [4]}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'BIOL'}, 2, 3],\n   [['ann', 'BIOL-300', 'double'], ['cy', 'BIOL-300', 'own_subject']]),\n  ('normal control 6',\n   [[['ann', 'BIOL-300', 0], ['ann', 'BIO-201', 5], ['ann', 'MATH-101', 5], ['ann', 'BIO-201', 5]],\n    {'ann': [], 'bob': [2, 3], 'cy': [0, 4]}, {'ann': 'CHEM', 'bob': 'BIO', 'cy': 'CHEM'}, 2, 2],\n   [['ann', 'BIO-201', 'daily_max'], ['ann', 'BIO-201', 'double'], ['ann', 'MATH-101', 'double']]),\n  ('normal control 7',\n   [[['cy', 'BIOL-300', 2], ['bob', 'BIO-201', 1], ['cy', 'BIOL-300', 2], ['cy', 'CHEM-110', 2],\n     ['bob', 'BIOL-300', 1]],\n    {'ann': [1], 'bob': []}, {'ann': 'MATH', 'bob': 'BIOL', 'cy': 'BIOL'}, 1, 2],\n   [['bob', 'BIOL-300', 'daily_max'], ['bob', 'BIOL-300', 'double'], ['bob', 'BIOL-300', 'own_subject'],\n    ['cy', 'BIOL-300', 'daily_max'], ['cy', 'BIOL-300', 'double'], ['cy', 'BIOL-300', 'own_subject'],\n    ['cy', 'BIOL-300', 'own_subject'], ['cy', 'CHEM-110', 'double']]),\n  ('normal control 8',\n   [[['ann', 'CHEM-110', 0], ['ann', 'BIOL-300', 4], ['ann', 'MATH-101', 4], ['ann', 'BIO-201', 0]],\n    {'ann': [0, 5], 'bob': [4]}, {'ann': 'CHEM', 'bob': 'MATH', 'cy': 'BIOL'}, 2, 3],\n   [['ann', 'BIO-201', 'busy'], ['ann', 'BIO-201', 'double'], ['ann', 'CHEM-110', 'busy'],\n    ['ann', 'CHEM-110', 'own_subject'], ['ann', 'MATH-101', 'double']])],\n [('regression: subject code prefix 1',\n   [[['cy', 'MATH-101', 0], ['cy', 'BIOL-300', 0], ['ann', 'BIOL-300', 0], ['ann', 'BIO-201', 1],\n     ['bob', 'BIO-201', 1]],\n    {'bob': [1, 4], 'cy': []}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'CHEM'}, 2, 2],\n   [['ann', 'BIO-201', 'own_subject'], ['bob', 'BIO-201', 'busy'], ['cy', 'BIOL-300', 'double']]),\n  ('regression variant: subject code prefix 2',\n   [[['cy', 'CHEM-110', 0], ['cy', 'MATH-101', 0], ['bob', 'CHEM-110', 3], ['ann', 'BIO-201', 5],\n     ['cy', 'BIOL-300', 5], ['bob', 'CHEM-110', 5]],\n    {'ann': [], 'bob': [], 'cy': [4]}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'BIO'}, 1, 3],\n   [['ann', 'BIO-201', 'own_subject'], ['bob', 'CHEM-110', 'daily_max'], ['bob', 'CHEM-110', 'own_subject'],\n    ['bob', 'CHEM-110', 'own_subject'], ['cy', 'MATH-101', 'daily_max'], ['cy', 'MATH-101', 'double']]),\n  ('partial repair guard 3',\n   [[['ann', 'BIOL-300', 0], ['bob', 'BIOL-300', 0], ['cy', 'CHEM-110', 2]], {'cy': [3, 4]},\n    {'ann': 'CHEM', 'bob': 'BIO', 'cy': 'CHEM'}, 2, 3],\n   [['cy', 'CHEM-110', 'own_subject']]),\n  ('boundary control 4', [[['ann', 'BIOL-300', 0]], {}, {'ann': 'BIO'}, 2, 3], []),\n  ('normal control 5',\n   [[['ann', 'CHEM-110', 0], ['ann', 'BIOL-300', 3], ['cy', 'MATH-101', 0], ['ann', 'BIO-201', 2]],\n    {'ann': [], 'bob': [2, 3], 'cy': [0, 1]}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'MATH'}, 2, 3],\n   [['ann', 'BIOL-300', 'own_subject'], ['cy', 'MATH-101', 'busy'], ['cy', 'MATH-101', 'own_subject']]),\n  ('normal control 6',\n   [[['bob', 'BIO-201', 3], ['ann', 'CHEM-110', 2], ['cy', 'CHEM-110', 4], ['bob', 'BIOL-300', 0],\n     ['ann', 'BIO-201', 1]],\n    {'ann': [4, 5], 'bob': [3], 'cy': [0, 5]}, {'ann': 'MATH', 'bob': 'BIOL', 'cy': 'CHEM'}, 2, 3],\n   [['bob', 'BIO-201', 'busy'], ['bob', 'BIOL-300', 'own_subject'], ['cy', 'CHEM-110', 'own_subject']]),\n  ('normal control 7',\n   [[['cy', 'BIO-201', 1], ['cy', 'MATH-101', 2], ['bob', 'BIOL-300', 4], ['ann', 'CHEM-110', 0]],\n    {'ann': [1], 'bob': [], 'cy': [0, 4]}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'BIOL'}, 2, 3],\n   [['bob', 'BIOL-300', 'own_subject']]),\n  ('normal control 8',\n   [[['cy', 'CHEM-110', 0], ['ann', 'BIOL-300', 2]], {'ann': [5], 'bob': [], 'cy': [4]},\n    {'ann': 'BIOL', 'bob': 'BIO', 'cy': 'BIO'}, 1, 3],\n   [['ann', 'BIOL-300', 'own_subject']])],\n [('regression: subject code prefix 1',\n   [[['cy', 'BIO-201', 5], ['ann', 'BIOL-300', 1]], {'cy': []}, {'ann': 'BIOL', 'bob': 'BIO', 'cy': 'BIO'}, 2,\n    2],\n   [['ann', 'BIOL-300', 'own_subject'], ['cy', 'BIO-201', 'own_subject']]),\n  ('regression variant: subject code prefix 2',\n   [[['bob', 'BIO-201', 5], ['ann', 'BIOL-300', 1], ['cy', 'BIO-201', 2], ['ann', 'BIOL-300', 0],\n     ['bob', 'BIO-201', 5], ['ann', 'BIOL-300', 1], ['ann', 'CHEM-110', 3]],\n    {'bob': [], 'cy': [4]}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIO'}, 1, 2],\n   [['ann', 'BIOL-300', 'daily_max'], ['ann', 'BIOL-300', 'double'], ['bob', 'BIO-201', 'daily_max'],\n    ['bob', 'BIO-201', 'double'], ['cy', 'BIO-201', 'own_subject']]),\n  ('partial repair guard 3',\n   [[['ann', 'BIO-201', 4], ['ann', 'MATH-101', 4], ['ann', 'BIOL-300', 2]],\n    {'ann': [0], 'bob': [3, 4], 'cy': []}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'BIOL'}, 1, 3],\n   [['ann', 'BIOL-300', 'own_subject'], ['ann', 'MATH-101', 'daily_max'], ['ann', 'MATH-101', 'double']]),\n  ('boundary control 4', [[['ann', 'MATH-101', 0], ['bob', 'CHEM-110', 0]], {}, {}, 2, 3], []),\n  ('normal control 5',\n   [[['bob', 'CHEM-110', 5], ['ann', 'CHEM-110', 0]], {'ann': [], 'bob': [], 'cy': [1, 4]},\n    {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'BIOL'}, 1, 2],\n   [['bob', 'CHEM-110', 'own_subject']]),\n  ('normal control 6',\n   [[['ann', 'MATH-101', 2], ['ann', 'MATH-101', 1], ['bob', 'CHEM-110', 5]], {'ann': [0], 'cy': [5]},\n    {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIOL'}, 1, 2],\n   []),\n  ('normal control 7',\n   [[['bob', 'MATH-101', 3], ['cy', 'MATH-101', 4], ['cy', 'BIOL-300', 2], ['ann', 'BIO-201', 1],\n     ['ann', 'BIO-201', 4]],\n    {'ann': [0, 3], 'bob': [4], 'cy': [1, 5]}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIO'}, 2, 2],\n   [['ann', 'BIO-201', 'own_subject'], ['ann', 'BIO-201', 'own_subject']]),\n  ('normal control 8',\n   [[['ann', 'MATH-101', 0], ['bob', 'MATH-101', 2], ['cy', 'MATH-101', 0], ['bob', 'MATH-101', 2],\n     ['cy', 'CHEM-110', 4]],\n    {'ann': [2, 3], 'cy': []}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIO'}, 1, 2],\n   [['bob', 'MATH-101', 'daily_max'], ['bob', 'MATH-101', 'double']])],\n [('regression: subject code prefix 1',\n   [[['ann', 'CHEM-110', 0], ['bob', 'MATH-101', 5], ['cy', 'BIO-201', 2], ['cy', 'BIO-201', 0],\n     ['ann', 'BIO-201', 2]],\n    {'bob': []}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'MATH'}, 2, 3],\n   [['ann', 'BIO-201', 'own_subject']]),\n  ('regression variant: subject code prefix 2',\n   [[['ann', 'CHEM-110', 0], ['bob', 'MATH-101', 5], ['ann', 'BIO-201', 5], ['ann', 'BIO-201', 0]],\n    {'ann': [0], 'bob': [3], 'cy': [5]}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIO'}, 2, 2],\n   [['ann', 'BIO-201', 'busy'], ['ann', 'BIO-201', 'double'], ['ann', 'BIO-201', 'own_subject'],\n    ['ann', 'BIO-201', 'own_subject'], ['ann', 'CHEM-110', 'busy']]),\n  ('boundary control 3',\n   [[['ann', 'MATH-101', 0], ['ann', 'CHEM-110', 1], ['ann', 'BIO-201', 2]], {}, {}, 2, 3],\n   [['ann', 'BIO-201', 'daily_max']]),\n  ('normal control 4',\n   [[['cy', 'MATH-101', 1], ['bob', 'MATH-101', 3], ['ann', 'BIO-201', 5], ['ann', 'BIO-201', 0],\n     ['bob', 'MATH-101', 4], ['bob', 'BIOL-300', 5]],\n    {'ann': [], 'bob': [0, 4], 'cy': [1, 2]}, {'ann': 'CHEM', 'bob': 'BIOL', 'cy': 'BIOL'}, 2, 3],\n   [['bob', 'BIOL-300', 'daily_max'], ['bob', 'BIOL-300', 'own_subject'], ['bob', 'MATH-101', 'busy'],\n    ['cy', 'MATH-101', 'busy']]),\n  ('normal control 5',\n   [[['bob', 'BIOL-300', 0], ['cy', 'BIOL-300', 1]], {'ann': [2], 'bob': [2], 'cy': [1]},\n    {'ann': 'BIO', 'bob': 'BIO', 'cy': 'MATH'}, 2, 2],\n   [['cy', 'BIOL-300', 'busy']]),\n  ('normal control 6',\n   [[['bob', 'BIO-201', 3], ['cy', 'CHEM-110', 5], ['ann', 'BIOL-300', 1], ['ann', 'BIO-201', 2],\n     ['cy', 'CHEM-110', 3], ['bob', 'CHEM-110', 4], ['cy', 'CHEM-110', 0]],\n    {'ann': [1, 5], 'bob': [3], 'cy': [3]}, {'ann': 'CHEM', 'bob': 'MATH', 'cy': 'MATH'}, 1, 3],\n   [['ann', 'BIO-201', 'daily_max'], ['ann', 'BIOL-300', 'busy'], ['bob', 'BIO-201', 'busy'],\n    ['bob', 'CHEM-110', 'daily_max'], ['cy', 'CHEM-110', 'busy'], ['cy', 'CHEM-110', 'daily_max']]),\n  ('normal control 7',\n   [[['bob', 'MATH-101', 3], ['ann', 'CHEM-110', 5], ['bob', 'MATH-101', 3]],\n    {'ann': [], 'bob': [], 'cy': [0, 3]}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'BIO'}, 1, 3],\n   [['bob', 'MATH-101', 'daily_max'], ['bob', 'MATH-101', 'double']]),\n  ('normal control 8',\n   [[['bob', 'MATH-101', 2], ['cy', 'BIOL-300', 5], ['bob', 'BIOL-300', 3], ['ann', 'CHEM-110', 4],\n     ['cy', 'CHEM-110', 4]],\n    {'ann': [1], 'bob': [5], 'cy': [1, 2]}, {'ann': 'MATH', 'bob': 'CHEM', 'cy': 'BIO'}, 2, 3],\n   [])],\n [('regression: subject code prefix 1',\n   [[['ann', 'BIO-201', 0], ['bob', 'CHEM-110', 0], ['cy', 'CHEM-110', 2]], {'ann': [], 'bob': [0, 1]},\n    {'ann': 'BIO', 'bob': 'MATH', 'cy': 'BIOL'}, 2, 2],\n   [['ann', 'BIO-201', 'own_subject'], ['bob', 'CHEM-110', 'busy']]),\n  ('regression variant: subject code prefix 2',\n   [[['ann', 'MATH-101', 0], ['ann', 'MATH-101', 2], ['bob', 'BIO-201', 0], ['cy', 'BIO-201', 0],\n     ['bob', 'BIO-201', 0]],\n    {'ann': [], 'bob': [1, 5], 'cy': [1]}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'BIO'}, 2, 2],\n   [['bob', 'BIO-201', 'double'], ['cy', 'BIO-201', 'own_subject']]),\n  ('boundary control 3', [[['ann', 'BIO-201', 0]], {}, {'ann': 'BIOL'}, 2, 3], []),\n  ('normal control 4',\n   [[['ann', 'BIOL-300', 0], ['bob', 'CHEM-110', 2], ['cy', 'CHEM-110', 4], ['cy', 'MATH-101', 0],\n     ['bob', 'CHEM-110', 1]],\n    {'ann': [0, 5], 'bob': [1], 'cy': [0]}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'CHEM'}, 1, 2],\n   [['ann', 'BIOL-300', 'busy'], ['bob', 'CHEM-110', 'busy'], ['bob', 'CHEM-110', 'own_subject'],\n    ['bob', 'CHEM-110', 'own_subject'], ['cy', 'CHEM-110', 'own_subject'], ['cy', 'MATH-101', 'busy']]),\n  ('normal control 5',\n   [[['cy', 'BIOL-300', 4], ['ann', 'CHEM-110', 4], ['ann', 'MATH-101', 1], ['ann', 'MATH-101', 5],\n     ['bob', 'BIO-201', 4], ['ann', 'BIOL-300', 3]],\n    {'ann': [2], 'bob': [0], 'cy': [0]}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'CHEM'}, 1, 3],\n   [['ann', 'BIOL-300', 'own_subject'], ['ann', 'MATH-101', 'daily_max']]),\n  ('normal control 6',\n   [[['ann', 'CHEM-110', 0], ['ann', 'MATH-101', 0]], {'ann': [], 'bob': [1, 4], 'cy': [0, 3]},\n    {'ann': 'BIOL', 'bob': 'CHEM', 'cy': 'CHEM'}, 2, 2],\n   [['ann', 'MATH-101', 'double']]),\n  ('normal control 7',\n   [[['cy', 'BIO-201', 5], ['cy', 'CHEM-110', 3]], {'ann': [], 'bob': [0, 1], 'cy': [0]},\n    {'ann': 'MATH', 'bob': 'BIOL', 'cy': 'MATH'}, 2, 3],\n   []),\n  ('normal control 8',\n   [[['ann', 'BIOL-300', 5], ['bob', 'CHEM-110', 4], ['bob', 'BIO-201', 4], ['bob', 'BIOL-300', 5]],\n    {'ann': [3], 'bob': [], 'cy': [2, 3]}, {'ann': 'BIO', 'bob': 'BIO', 'cy': 'BIOL'}, 1, 2],\n   [['bob', 'BIO-201', 'daily_max'], ['bob', 'BIO-201', 'double'], ['bob', 'BIO-201', 'own_subject']])]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"4ff98cf0d62de43873fd8e77daf17e6e88982c94476024fc3242e27fb42842de","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(duties, teach, subj, maxday, spd):\n    out = []\n    seen = {}\n    per_day = {}\n    for inv, ex, p in duties:\n        if p in teach.get(inv, []):\n            out.append([inv, ex, 'busy'])\n        if ex[:4] == subj.get(inv):\n            out.append([inv, ex, 'own_subject'])\n        if (inv, p) in seen:\n            out.append([inv, ex, 'double'])\n        seen[(inv, p)] = ex\n        d = (inv, p // spd)\n        per_day[d] = per_day.get(d, 0) + 1\n        if per_day[d] == maxday + 1:\n            out.append([inv, ex, 'daily_max'])\n    return sorted(out)\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: subject code prefix 1',\n   [[['bob', 'CHEM-110', 0], ['cy', 'BIO-201', 2], ['cy', 'BIO-201', 2], ['ann', 'BIO-201', 4],\n     ['ann', 'MATH-101', 3]],\n    {'ann': [3], 'bob': [], 'cy': []}, {'ann': 'MATH', 'bob': 'CHEM', 'cy': 'BIO'}, 2, 3],\n   [['ann', 'MATH-101', 'busy'], ['ann', 'MATH-101', 'own_subject'], ['bob', 'CHEM-110', 'own_subject'],\n    ['cy', 'BIO-201', 'double'], ['cy', 'BIO-201', 'own_subject'], ['cy', 'BIO-201', 'own_subject']]),\n  ('regression variant: subject code prefix 2',\n   [[['bob', 'BIO-201', 2], ['cy', 'BIO-201', 4], ['bob', 'BIOL-300', 2], ['ann', 'BIOL-300', 5],\n     ['bob', 'CHEM-110', 1]],\n    {'ann': [1], 'bob': [5]}, {'ann': 'CHEM', 'bob': 'BIO', 'cy': 'CHEM'}, 1, 2],\n   [['bob', 'BIO-201', 'own_subject'], ['bob', 'BIOL-300', 'daily_max'], ['bob', 'BIOL-300', 'double']]),\n  ('partial repair guard 3',\n   [[['bob', 'BIOL-300', 4], ['cy', 'CHEM-110', 5], ['cy', 'BIOL-300', 4], ['ann', 'CHEM-110', 4],\n     ['ann', 'BIOL-300', 0], ['cy', 'CHEM-110', 5], ['cy', 'CHEM-110', 2]],\n    {'ann': [], 'cy': [2]}, {'ann': 'MATH', 'bob': 'BIOL', 'cy': 'MATH'}, 2, 3],\n   [['bob', 'BIOL-300', 'own_subject'], ['cy', 'CHEM-110', 'busy'], ['cy', 'CHEM-110', 'daily_max'],\n    ['cy', 'CHEM-110', 'double']]),\n  ('boundary control 4', [[['ann', 'MATH-101', 2], ['ann', 'CHEM-110', 3]], {}, {}, 1, 3], []),\n  ('normal control 5',\n   [[['cy', 'BIOL-300', 1], ['bob', 'MATH-101', 3], ['ann', 'MATH-101', 4], ['ann', 'BIOL-300', 4]],\n    {'cy': [4]}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'BIOL'}, 2, 3],\n   [['ann', 'BIOL-300', 'double'], ['cy', 'BIOL-300', 'own_subject']]),\n  ('normal control 6',\n   [[['ann', 'BIOL-300', 0], ['ann', 'BIO-201', 5], ['ann', 'MATH-101', 5], ['ann', 'BIO-201', 5]],\n    {'ann': [], 'bob': [2, 3], 'cy': [0, 4]}, {'ann': 'CHEM', 'bob': 'BIO', 'cy': 'CHEM'}, 2, 2],\n   [['ann', 'BIO-201', 'daily_max'], ['ann', 'BIO-201', 'double'], ['ann', 'MATH-101', 'double']]),\n  ('normal control 7',\n   [[['cy', 'BIOL-300', 2], ['bob', 'BIO-201', 1], ['cy', 'BIOL-300', 2], ['cy', 'CHEM-110', 2],\n     ['bob', 'BIOL-300', 1]],\n    {'ann': [1], 'bob': []}, {'ann': 'MATH', 'bob': 'BIOL', 'cy': 'BIOL'}, 1, 2],\n   [['bob', 'BIOL-300', 'daily_max'], ['bob', 'BIOL-300', 'double'], ['bob', 'BIOL-300', 'own_subject'],\n    ['cy', 'BIOL-300', 'daily_max'], ['cy', 'BIOL-300', 'double'], ['cy', 'BIOL-300', 'own_subject'],\n    ['cy', 'BIOL-300', 'own_subject'], ['cy', 'CHEM-110', 'double']]),\n  ('normal control 8',\n   [[['ann', 'CHEM-110', 0], ['ann', 'BIOL-300', 4], ['ann', 'MATH-101', 4], ['ann', 'BIO-201', 0]],\n    {'ann': [0, 5], 'bob': [4]}, {'ann': 'CHEM', 'bob': 'MATH', 'cy': 'BIOL'}, 2, 3],\n   [['ann', 'BIO-201', 'busy'], ['ann', 'BIO-201', 'double'], ['ann', 'CHEM-110', 'busy'],\n    ['ann', 'CHEM-110', 'own_subject'], ['ann', 'MATH-101', 'double']])],\n [('regression: subject code prefix 1',\n   [[['cy', 'MATH-101', 0], ['cy', 'BIOL-300', 0], ['ann', 'BIOL-300', 0], ['ann', 'BIO-201', 1],\n     ['bob', 'BIO-201', 1]],\n    {'bob': [1, 4], 'cy': []}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'CHEM'}, 2, 2],\n   [['ann', 'BIO-201', 'own_subject'], ['bob', 'BIO-201', 'busy'], ['cy', 'BIOL-300', 'double']]),\n  ('regression variant: subject code prefix 2',\n   [[['cy', 'CHEM-110', 0], ['cy', 'MATH-101', 0], ['bob', 'CHEM-110', 3], ['ann', 'BIO-201', 5],\n     ['cy', 'BIOL-300', 5], ['bob', 'CHEM-110', 5]],\n    {'ann': [], 'bob': [], 'cy': [4]}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'BIO'}, 1, 3],\n   [['ann', 'BIO-201', 'own_subject'], ['bob', 'CHEM-110', 'daily_max'], ['bob', 'CHEM-110', 'own_subject'],\n    ['bob', 'CHEM-110', 'own_subject'], ['cy', 'MATH-101', 'daily_max'], ['cy', 'MATH-101', 'double']]),\n  ('partial repair guard 3',\n   [[['ann', 'BIOL-300', 0], ['bob', 'BIOL-300', 0], ['cy', 'CHEM-110', 2]], {'cy': [3, 4]},\n    {'ann': 'CHEM', 'bob': 'BIO', 'cy': 'CHEM'}, 2, 3],\n   [['cy', 'CHEM-110', 'own_subject']]),\n  ('boundary control 4', [[['ann', 'BIOL-300', 0]], {}, {'ann': 'BIO'}, 2, 3], []),\n  ('normal control 5',\n   [[['ann', 'CHEM-110', 0], ['ann', 'BIOL-300', 3], ['cy', 'MATH-101', 0], ['ann', 'BIO-201', 2]],\n    {'ann': [], 'bob': [2, 3], 'cy': [0, 1]}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'MATH'}, 2, 3],\n   [['ann', 'BIOL-300', 'own_subject'], ['cy', 'MATH-101', 'busy'], ['cy', 'MATH-101', 'own_subject']]),\n  ('normal control 6',\n   [[['bob', 'BIO-201', 3], ['ann', 'CHEM-110', 2], ['cy', 'CHEM-110', 4], ['bob', 'BIOL-300', 0],\n     ['ann', 'BIO-201', 1]],\n    {'ann': [4, 5], 'bob': [3], 'cy': [0, 5]}, {'ann': 'MATH', 'bob': 'BIOL', 'cy': 'CHEM'}, 2, 3],\n   [['bob', 'BIO-201', 'busy'], ['bob', 'BIOL-300', 'own_subject'], ['cy', 'CHEM-110', 'own_subject']]),\n  ('normal control 7',\n   [[['cy', 'BIO-201', 1], ['cy', 'MATH-101', 2], ['bob', 'BIOL-300', 4], ['ann', 'CHEM-110', 0]],\n    {'ann': [1], 'bob': [], 'cy': [0, 4]}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'BIOL'}, 2, 3],\n   [['bob', 'BIOL-300', 'own_subject']]),\n  ('normal control 8',\n   [[['cy', 'CHEM-110', 0], ['ann', 'BIOL-300', 2]], {'ann': [5], 'bob': [], 'cy': [4]},\n    {'ann': 'BIOL', 'bob': 'BIO', 'cy': 'BIO'}, 1, 3],\n   [['ann', 'BIOL-300', 'own_subject']])],\n [('regression: subject code prefix 1',\n   [[['cy', 'BIO-201', 5], ['ann', 'BIOL-300', 1]], {'cy': []}, {'ann': 'BIOL', 'bob': 'BIO', 'cy': 'BIO'}, 2,\n    2],\n   [['ann', 'BIOL-300', 'own_subject'], ['cy', 'BIO-201', 'own_subject']]),\n  ('regression variant: subject code prefix 2',\n   [[['bob', 'BIO-201', 5], ['ann', 'BIOL-300', 1], ['cy', 'BIO-201', 2], ['ann', 'BIOL-300', 0],\n     ['bob', 'BIO-201', 5], ['ann', 'BIOL-300', 1], ['ann', 'CHEM-110', 3]],\n    {'bob': [], 'cy': [4]}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIO'}, 1, 2],\n   [['ann', 'BIOL-300', 'daily_max'], ['ann', 'BIOL-300', 'double'], ['bob', 'BIO-201', 'daily_max'],\n    ['bob', 'BIO-201', 'double'], ['cy', 'BIO-201', 'own_subject']]),\n  ('partial repair guard 3',\n   [[['ann', 'BIO-201', 4], ['ann', 'MATH-101', 4], ['ann', 'BIOL-300', 2]],\n    {'ann': [0], 'bob': [3, 4], 'cy': []}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'BIOL'}, 1, 3],\n   [['ann', 'BIOL-300', 'own_subject'], ['ann', 'MATH-101', 'daily_max'], ['ann', 'MATH-101', 'double']]),\n  ('boundary control 4', [[['ann', 'MATH-101', 0], ['bob', 'CHEM-110', 0]], {}, {}, 2, 3], []),\n  ('normal control 5',\n   [[['bob', 'CHEM-110', 5], ['ann', 'CHEM-110', 0]], {'ann': [], 'bob': [], 'cy': [1, 4]},\n    {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'BIOL'}, 1, 2],\n   [['bob', 'CHEM-110', 'own_subject']]),\n  ('normal control 6',\n   [[['ann', 'MATH-101', 2], ['ann', 'MATH-101', 1], ['bob', 'CHEM-110', 5]], {'ann': [0], 'cy': [5]},\n    {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIOL'}, 1, 2],\n   []),\n  ('normal control 7',\n   [[['bob', 'MATH-101', 3], ['cy', 'MATH-101', 4], ['cy', 'BIOL-300', 2], ['ann', 'BIO-201', 1],\n     ['ann', 'BIO-201', 4]],\n    {'ann': [0, 3], 'bob': [4], 'cy': [1, 5]}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIO'}, 2, 2],\n   [['ann', 'BIO-201', 'own_subject'], ['ann', 'BIO-201', 'own_subject']]),\n  ('normal control 8',\n   [[['ann', 'MATH-101', 0], ['bob', 'MATH-101', 2], ['cy', 'MATH-101', 0], ['bob', 'MATH-101', 2],\n     ['cy', 'CHEM-110', 4]],\n    {'ann': [2, 3], 'cy': []}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIO'}, 1, 2],\n   [['bob', 'MATH-101', 'daily_max'], ['bob', 'MATH-101', 'double']])],\n [('regression: subject code prefix 1',\n   [[['ann', 'CHEM-110', 0], ['bob', 'MATH-101', 5], ['cy', 'BIO-201', 2], ['cy', 'BIO-201', 0],\n     ['ann', 'BIO-201', 2]],\n    {'bob': []}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'MATH'}, 2, 3],\n   [['ann', 'BIO-201', 'own_subject']]),\n  ('regression variant: subject code prefix 2',\n   [[['ann', 'CHEM-110', 0], ['bob', 'MATH-101', 5], ['ann', 'BIO-201', 5], ['ann', 'BIO-201', 0]],\n    {'ann': [0], 'bob': [3], 'cy': [5]}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIO'}, 2, 2],\n   [['ann', 'BIO-201', 'busy'], ['ann', 'BIO-201', 'double'], ['ann', 'BIO-201', 'own_subject'],\n    ['ann', 'BIO-201', 'own_subject'], ['ann', 'CHEM-110', 'busy']]),\n  ('boundary control 3',\n   [[['ann', 'MATH-101', 0], ['ann', 'CHEM-110', 1], ['ann', 'BIO-201', 2]], {}, {}, 2, 3],\n   [['ann', 'BIO-201', 'daily_max']]),\n  ('normal control 4',\n   [[['cy', 'MATH-101', 1], ['bob', 'MATH-101', 3], ['ann', 'BIO-201', 5], ['ann', 'BIO-201', 0],\n     ['bob', 'MATH-101', 4], ['bob', 'BIOL-300', 5]],\n    {'ann': [], 'bob': [0, 4], 'cy': [1, 2]}, {'ann': 'CHEM', 'bob': 'BIOL', 'cy': 'BIOL'}, 2, 3],\n   [['bob', 'BIOL-300', 'daily_max'], ['bob', 'BIOL-300', 'own_subject'], ['bob', 'MATH-101', 'busy'],\n    ['cy', 'MATH-101', 'busy']]),\n  ('normal control 5',\n   [[['bob', 'BIOL-300', 0], ['cy', 'BIOL-300', 1]], {'ann': [2], 'bob': [2], 'cy': [1]},\n    {'ann': 'BIO', 'bob': 'BIO', 'cy': 'MATH'}, 2, 2],\n   [['cy', 'BIOL-300', 'busy']]),\n  ('normal control 6',\n   [[['bob', 'BIO-201', 3], ['cy', 'CHEM-110', 5], ['ann', 'BIOL-300', 1], ['ann', 'BIO-201', 2],\n     ['cy', 'CHEM-110', 3], ['bob', 'CHEM-110', 4], ['cy', 'CHEM-110', 0]],\n    {'ann': [1, 5], 'bob': [3], 'cy': [3]}, {'ann': 'CHEM', 'bob': 'MATH', 'cy': 'MATH'}, 1, 3],\n   [['ann', 'BIO-201', 'daily_max'], ['ann', 'BIOL-300', 'busy'], ['bob', 'BIO-201', 'busy'],\n    ['bob', 'CHEM-110', 'daily_max'], ['cy', 'CHEM-110', 'busy'], ['cy', 'CHEM-110', 'daily_max']]),\n  ('normal control 7',\n   [[['bob', 'MATH-101', 3], ['ann', 'CHEM-110', 5], ['bob', 'MATH-101', 3]],\n    {'ann': [], 'bob': [], 'cy': [0, 3]}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'BIO'}, 1, 3],\n   [['bob', 'MATH-101', 'daily_max'], ['bob', 'MATH-101', 'double']]),\n  ('normal control 8',\n   [[['bob', 'MATH-101', 2], ['cy', 'BIOL-300', 5], ['bob', 'BIOL-300', 3], ['ann', 'CHEM-110', 4],\n     ['cy', 'CHEM-110', 4]],\n    {'ann': [1], 'bob': [5], 'cy': [1, 2]}, {'ann': 'MATH', 'bob': 'CHEM', 'cy': 'BIO'}, 2, 3],\n   [])],\n [('regression: subject code prefix 1',\n   [[['ann', 'BIO-201', 0], ['bob', 'CHEM-110', 0], ['cy', 'CHEM-110', 2]], {'ann': [], 'bob': [0, 1]},\n    {'ann': 'BIO', 'bob': 'MATH', 'cy': 'BIOL'}, 2, 2],\n   [['ann', 'BIO-201', 'own_subject'], ['bob', 'CHEM-110', 'busy']]),\n  ('regression variant: subject code prefix 2',\n   [[['ann', 'MATH-101', 0], ['ann', 'MATH-101', 2], ['bob', 'BIO-201', 0], ['cy', 'BIO-201', 0],\n     ['bob', 'BIO-201', 0]],\n    {'ann': [], 'bob': [1, 5], 'cy': [1]}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'BIO'}, 2, 2],\n   [['bob', 'BIO-201', 'double'], ['cy', 'BIO-201', 'own_subject']]),\n  ('boundary control 3', [[['ann', 'BIO-201', 0]], {}, {'ann': 'BIOL'}, 2, 3], []),\n  ('normal control 4',\n   [[['ann', 'BIOL-300', 0], ['bob', 'CHEM-110', 2], ['cy', 'CHEM-110', 4], ['cy', 'MATH-101', 0],\n     ['bob', 'CHEM-110', 1]],\n    {'ann': [0, 5], 'bob': [1], 'cy': [0]}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'CHEM'}, 1, 2],\n   [['ann', 'BIOL-300', 'busy'], ['bob', 'CHEM-110', 'busy'], ['bob', 'CHEM-110', 'own_subject'],\n    ['bob', 'CHEM-110', 'own_subject'], ['cy', 'CHEM-110', 'own_subject'], ['cy', 'MATH-101', 'busy']]),\n  ('normal control 5',\n   [[['cy', 'BIOL-300', 4], ['ann', 'CHEM-110', 4], ['ann', 'MATH-101', 1], ['ann', 'MATH-101', 5],\n     ['bob', 'BIO-201', 4], ['ann', 'BIOL-300', 3]],\n    {'ann': [2], 'bob': [0], 'cy': [0]}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'CHEM'}, 1, 3],\n   [['ann', 'BIOL-300', 'own_subject'], ['ann', 'MATH-101', 'daily_max']]),\n  ('normal control 6',\n   [[['ann', 'CHEM-110', 0], ['ann', 'MATH-101', 0]], {'ann': [], 'bob': [1, 4], 'cy': [0, 3]},\n    {'ann': 'BIOL', 'bob': 'CHEM', 'cy': 'CHEM'}, 2, 2],\n   [['ann', 'MATH-101', 'double']]),\n  ('normal control 7',\n   [[['cy', 'BIO-201', 5], ['cy', 'CHEM-110', 3]], {'ann': [], 'bob': [0, 1], 'cy': [0]},\n    {'ann': 'MATH', 'bob': 'BIOL', 'cy': 'MATH'}, 2, 3],\n   []),\n  ('normal control 8',\n   [[['ann', 'BIOL-300', 5], ['bob', 'CHEM-110', 4], ['bob', 'BIO-201', 4], ['bob', 'BIOL-300', 5]],\n    {'ann': [3], 'bob': [], 'cy': [2, 3]}, {'ann': 'BIO', 'bob': 'BIO', 'cy': 'BIOL'}, 1, 2],\n   [['bob', 'BIO-201', 'daily_max'], ['bob', 'BIO-201', 'double'], ['bob', 'BIO-201', 'own_subject']])]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"fixed":{"sha256":"c6929fb3fa81bff6bc4c1a4c8405233ce550a71be47e1a406437d4b2baa2e24e","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(duties, teach, subj, maxday, spd):\n    out = []\n    seen = {}\n    per_day = {}\n    for inv, ex, p in duties:\n        if p in teach.get(inv, []):\n            out.append([inv, ex, 'busy'])\n        if ex.split('-')[0] == subj.get(inv):\n            out.append([inv, ex, 'own_subject'])\n        if (inv, p) in seen:\n            out.append([inv, ex, 'double'])\n        seen[(inv, p)] = ex\n        d = (inv, p // spd)\n        per_day[d] = per_day.get(d, 0) + 1\n        if per_day[d] == maxday + 1:\n            out.append([inv, ex, 'daily_max'])\n    return sorted(out)\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: subject code prefix 1',\n   [[['bob', 'CHEM-110', 0], ['cy', 'BIO-201', 2], ['cy', 'BIO-201', 2], ['ann', 'BIO-201', 4],\n     ['ann', 'MATH-101', 3]],\n    {'ann': [3], 'bob': [], 'cy': []}, {'ann': 'MATH', 'bob': 'CHEM', 'cy': 'BIO'}, 2, 3],\n   [['ann', 'MATH-101', 'busy'], ['ann', 'MATH-101', 'own_subject'], ['bob', 'CHEM-110', 'own_subject'],\n    ['cy', 'BIO-201', 'double'], ['cy', 'BIO-201', 'own_subject'], ['cy', 'BIO-201', 'own_subject']]),\n  ('regression variant: subject code prefix 2',\n   [[['bob', 'BIO-201', 2], ['cy', 'BIO-201', 4], ['bob', 'BIOL-300', 2], ['ann', 'BIOL-300', 5],\n     ['bob', 'CHEM-110', 1]],\n    {'ann': [1], 'bob': [5]}, {'ann': 'CHEM', 'bob': 'BIO', 'cy': 'CHEM'}, 1, 2],\n   [['bob', 'BIO-201', 'own_subject'], ['bob', 'BIOL-300', 'daily_max'], ['bob', 'BIOL-300', 'double']]),\n  ('partial repair guard 3',\n   [[['bob', 'BIOL-300', 4], ['cy', 'CHEM-110', 5], ['cy', 'BIOL-300', 4], ['ann', 'CHEM-110', 4],\n     ['ann', 'BIOL-300', 0], ['cy', 'CHEM-110', 5], ['cy', 'CHEM-110', 2]],\n    {'ann': [], 'cy': [2]}, {'ann': 'MATH', 'bob': 'BIOL', 'cy': 'MATH'}, 2, 3],\n   [['bob', 'BIOL-300', 'own_subject'], ['cy', 'CHEM-110', 'busy'], ['cy', 'CHEM-110', 'daily_max'],\n    ['cy', 'CHEM-110', 'double']]),\n  ('boundary control 4', [[['ann', 'MATH-101', 2], ['ann', 'CHEM-110', 3]], {}, {}, 1, 3], []),\n  ('normal control 5',\n   [[['cy', 'BIOL-300', 1], ['bob', 'MATH-101', 3], ['ann', 'MATH-101', 4], ['ann', 'BIOL-300', 4]],\n    {'cy': [4]}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'BIOL'}, 2, 3],\n   [['ann', 'BIOL-300', 'double'], ['cy', 'BIOL-300', 'own_subject']]),\n  ('normal control 6',\n   [[['ann', 'BIOL-300', 0], ['ann', 'BIO-201', 5], ['ann', 'MATH-101', 5], ['ann', 'BIO-201', 5]],\n    {'ann': [], 'bob': [2, 3], 'cy': [0, 4]}, {'ann': 'CHEM', 'bob': 'BIO', 'cy': 'CHEM'}, 2, 2],\n   [['ann', 'BIO-201', 'daily_max'], ['ann', 'BIO-201', 'double'], ['ann', 'MATH-101', 'double']]),\n  ('normal control 7',\n   [[['cy', 'BIOL-300', 2], ['bob', 'BIO-201', 1], ['cy', 'BIOL-300', 2], ['cy', 'CHEM-110', 2],\n     ['bob', 'BIOL-300', 1]],\n    {'ann': [1], 'bob': []}, {'ann': 'MATH', 'bob': 'BIOL', 'cy': 'BIOL'}, 1, 2],\n   [['bob', 'BIOL-300', 'daily_max'], ['bob', 'BIOL-300', 'double'], ['bob', 'BIOL-300', 'own_subject'],\n    ['cy', 'BIOL-300', 'daily_max'], ['cy', 'BIOL-300', 'double'], ['cy', 'BIOL-300', 'own_subject'],\n    ['cy', 'BIOL-300', 'own_subject'], ['cy', 'CHEM-110', 'double']]),\n  ('normal control 8',\n   [[['ann', 'CHEM-110', 0], ['ann', 'BIOL-300', 4], ['ann', 'MATH-101', 4], ['ann', 'BIO-201', 0]],\n    {'ann': [0, 5], 'bob': [4]}, {'ann': 'CHEM', 'bob': 'MATH', 'cy': 'BIOL'}, 2, 3],\n   [['ann', 'BIO-201', 'busy'], ['ann', 'BIO-201', 'double'], ['ann', 'CHEM-110', 'busy'],\n    ['ann', 'CHEM-110', 'own_subject'], ['ann', 'MATH-101', 'double']])],\n [('regression: subject code prefix 1',\n   [[['cy', 'MATH-101', 0], ['cy', 'BIOL-300', 0], ['ann', 'BIOL-300', 0], ['ann', 'BIO-201', 1],\n     ['bob', 'BIO-201', 1]],\n    {'bob': [1, 4], 'cy': []}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'CHEM'}, 2, 2],\n   [['ann', 'BIO-201', 'own_subject'], ['bob', 'BIO-201', 'busy'], ['cy', 'BIOL-300', 'double']]),\n  ('regression variant: subject code prefix 2',\n   [[['cy', 'CHEM-110', 0], ['cy', 'MATH-101', 0], ['bob', 'CHEM-110', 3], ['ann', 'BIO-201', 5],\n     ['cy', 'BIOL-300', 5], ['bob', 'CHEM-110', 5]],\n    {'ann': [], 'bob': [], 'cy': [4]}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'BIO'}, 1, 3],\n   [['ann', 'BIO-201', 'own_subject'], ['bob', 'CHEM-110', 'daily_max'], ['bob', 'CHEM-110', 'own_subject'],\n    ['bob', 'CHEM-110', 'own_subject'], ['cy', 'MATH-101', 'daily_max'], ['cy', 'MATH-101', 'double']]),\n  ('partial repair guard 3',\n   [[['ann', 'BIOL-300', 0], ['bob', 'BIOL-300', 0], ['cy', 'CHEM-110', 2]], {'cy': [3, 4]},\n    {'ann': 'CHEM', 'bob': 'BIO', 'cy': 'CHEM'}, 2, 3],\n   [['cy', 'CHEM-110', 'own_subject']]),\n  ('boundary control 4', [[['ann', 'BIOL-300', 0]], {}, {'ann': 'BIO'}, 2, 3], []),\n  ('normal control 5',\n   [[['ann', 'CHEM-110', 0], ['ann', 'BIOL-300', 3], ['cy', 'MATH-101', 0], ['ann', 'BIO-201', 2]],\n    {'ann': [], 'bob': [2, 3], 'cy': [0, 1]}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'MATH'}, 2, 3],\n   [['ann', 'BIOL-300', 'own_subject'], ['cy', 'MATH-101', 'busy'], ['cy', 'MATH-101', 'own_subject']]),\n  ('normal control 6',\n   [[['bob', 'BIO-201', 3], ['ann', 'CHEM-110', 2], ['cy', 'CHEM-110', 4], ['bob', 'BIOL-300', 0],\n     ['ann', 'BIO-201', 1]],\n    {'ann': [4, 5], 'bob': [3], 'cy': [0, 5]}, {'ann': 'MATH', 'bob': 'BIOL', 'cy': 'CHEM'}, 2, 3],\n   [['bob', 'BIO-201', 'busy'], ['bob', 'BIOL-300', 'own_subject'], ['cy', 'CHEM-110', 'own_subject']]),\n  ('normal control 7',\n   [[['cy', 'BIO-201', 1], ['cy', 'MATH-101', 2], ['bob', 'BIOL-300', 4], ['ann', 'CHEM-110', 0]],\n    {'ann': [1], 'bob': [], 'cy': [0, 4]}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'BIOL'}, 2, 3],\n   [['bob', 'BIOL-300', 'own_subject']]),\n  ('normal control 8',\n   [[['cy', 'CHEM-110', 0], ['ann', 'BIOL-300', 2]], {'ann': [5], 'bob': [], 'cy': [4]},\n    {'ann': 'BIOL', 'bob': 'BIO', 'cy': 'BIO'}, 1, 3],\n   [['ann', 'BIOL-300', 'own_subject']])],\n [('regression: subject code prefix 1',\n   [[['cy', 'BIO-201', 5], ['ann', 'BIOL-300', 1]], {'cy': []}, {'ann': 'BIOL', 'bob': 'BIO', 'cy': 'BIO'}, 2,\n    2],\n   [['ann', 'BIOL-300', 'own_subject'], ['cy', 'BIO-201', 'own_subject']]),\n  ('regression variant: subject code prefix 2',\n   [[['bob', 'BIO-201', 5], ['ann', 'BIOL-300', 1], ['cy', 'BIO-201', 2], ['ann', 'BIOL-300', 0],\n     ['bob', 'BIO-201', 5], ['ann', 'BIOL-300', 1], ['ann', 'CHEM-110', 3]],\n    {'bob': [], 'cy': [4]}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIO'}, 1, 2],\n   [['ann', 'BIOL-300', 'daily_max'], ['ann', 'BIOL-300', 'double'], ['bob', 'BIO-201', 'daily_max'],\n    ['bob', 'BIO-201', 'double'], ['cy', 'BIO-201', 'own_subject']]),\n  ('partial repair guard 3',\n   [[['ann', 'BIO-201', 4], ['ann', 'MATH-101', 4], ['ann', 'BIOL-300', 2]],\n    {'ann': [0], 'bob': [3, 4], 'cy': []}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'BIOL'}, 1, 3],\n   [['ann', 'BIOL-300', 'own_subject'], ['ann', 'MATH-101', 'daily_max'], ['ann', 'MATH-101', 'double']]),\n  ('boundary control 4', [[['ann', 'MATH-101', 0], ['bob', 'CHEM-110', 0]], {}, {}, 2, 3], []),\n  ('normal control 5',\n   [[['bob', 'CHEM-110', 5], ['ann', 'CHEM-110', 0]], {'ann': [], 'bob': [], 'cy': [1, 4]},\n    {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'BIOL'}, 1, 2],\n   [['bob', 'CHEM-110', 'own_subject']]),\n  ('normal control 6',\n   [[['ann', 'MATH-101', 2], ['ann', 'MATH-101', 1], ['bob', 'CHEM-110', 5]], {'ann': [0], 'cy': [5]},\n    {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIOL'}, 1, 2],\n   []),\n  ('normal control 7',\n   [[['bob', 'MATH-101', 3], ['cy', 'MATH-101', 4], ['cy', 'BIOL-300', 2], ['ann', 'BIO-201', 1],\n     ['ann', 'BIO-201', 4]],\n    {'ann': [0, 3], 'bob': [4], 'cy': [1, 5]}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIO'}, 2, 2],\n   [['ann', 'BIO-201', 'own_subject'], ['ann', 'BIO-201', 'own_subject']]),\n  ('normal control 8',\n   [[['ann', 'MATH-101', 0], ['bob', 'MATH-101', 2], ['cy', 'MATH-101', 0], ['bob', 'MATH-101', 2],\n     ['cy', 'CHEM-110', 4]],\n    {'ann': [2, 3], 'cy': []}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIO'}, 1, 2],\n   [['bob', 'MATH-101', 'daily_max'], ['bob', 'MATH-101', 'double']])],\n [('regression: subject code prefix 1',\n   [[['ann', 'CHEM-110', 0], ['bob', 'MATH-101', 5], ['cy', 'BIO-201', 2], ['cy', 'BIO-201', 0],\n     ['ann', 'BIO-201', 2]],\n    {'bob': []}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'MATH'}, 2, 3],\n   [['ann', 'BIO-201', 'own_subject']]),\n  ('regression variant: subject code prefix 2',\n   [[['ann', 'CHEM-110', 0], ['bob', 'MATH-101', 5], ['ann', 'BIO-201', 5], ['ann', 'BIO-201', 0]],\n    {'ann': [0], 'bob': [3], 'cy': [5]}, {'ann': 'BIO', 'bob': 'BIOL', 'cy': 'BIO'}, 2, 2],\n   [['ann', 'BIO-201', 'busy'], ['ann', 'BIO-201', 'double'], ['ann', 'BIO-201', 'own_subject'],\n    ['ann', 'BIO-201', 'own_subject'], ['ann', 'CHEM-110', 'busy']]),\n  ('boundary control 3',\n   [[['ann', 'MATH-101', 0], ['ann', 'CHEM-110', 1], ['ann', 'BIO-201', 2]], {}, {}, 2, 3],\n   [['ann', 'BIO-201', 'daily_max']]),\n  ('normal control 4',\n   [[['cy', 'MATH-101', 1], ['bob', 'MATH-101', 3], ['ann', 'BIO-201', 5], ['ann', 'BIO-201', 0],\n     ['bob', 'MATH-101', 4], ['bob', 'BIOL-300', 5]],\n    {'ann': [], 'bob': [0, 4], 'cy': [1, 2]}, {'ann': 'CHEM', 'bob': 'BIOL', 'cy': 'BIOL'}, 2, 3],\n   [['bob', 'BIOL-300', 'daily_max'], ['bob', 'BIOL-300', 'own_subject'], ['bob', 'MATH-101', 'busy'],\n    ['cy', 'MATH-101', 'busy']]),\n  ('normal control 5',\n   [[['bob', 'BIOL-300', 0], ['cy', 'BIOL-300', 1]], {'ann': [2], 'bob': [2], 'cy': [1]},\n    {'ann': 'BIO', 'bob': 'BIO', 'cy': 'MATH'}, 2, 2],\n   [['cy', 'BIOL-300', 'busy']]),\n  ('normal control 6',\n   [[['bob', 'BIO-201', 3], ['cy', 'CHEM-110', 5], ['ann', 'BIOL-300', 1], ['ann', 'BIO-201', 2],\n     ['cy', 'CHEM-110', 3], ['bob', 'CHEM-110', 4], ['cy', 'CHEM-110', 0]],\n    {'ann': [1, 5], 'bob': [3], 'cy': [3]}, {'ann': 'CHEM', 'bob': 'MATH', 'cy': 'MATH'}, 1, 3],\n   [['ann', 'BIO-201', 'daily_max'], ['ann', 'BIOL-300', 'busy'], ['bob', 'BIO-201', 'busy'],\n    ['bob', 'CHEM-110', 'daily_max'], ['cy', 'CHEM-110', 'busy'], ['cy', 'CHEM-110', 'daily_max']]),\n  ('normal control 7',\n   [[['bob', 'MATH-101', 3], ['ann', 'CHEM-110', 5], ['bob', 'MATH-101', 3]],\n    {'ann': [], 'bob': [], 'cy': [0, 3]}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'BIO'}, 1, 3],\n   [['bob', 'MATH-101', 'daily_max'], ['bob', 'MATH-101', 'double']]),\n  ('normal control 8',\n   [[['bob', 'MATH-101', 2], ['cy', 'BIOL-300', 5], ['bob', 'BIOL-300', 3], ['ann', 'CHEM-110', 4],\n     ['cy', 'CHEM-110', 4]],\n    {'ann': [1], 'bob': [5], 'cy': [1, 2]}, {'ann': 'MATH', 'bob': 'CHEM', 'cy': 'BIO'}, 2, 3],\n   [])],\n [('regression: subject code prefix 1',\n   [[['ann', 'BIO-201', 0], ['bob', 'CHEM-110', 0], ['cy', 'CHEM-110', 2]], {'ann': [], 'bob': [0, 1]},\n    {'ann': 'BIO', 'bob': 'MATH', 'cy': 'BIOL'}, 2, 2],\n   [['ann', 'BIO-201', 'own_subject'], ['bob', 'CHEM-110', 'busy']]),\n  ('regression variant: subject code prefix 2',\n   [[['ann', 'MATH-101', 0], ['ann', 'MATH-101', 2], ['bob', 'BIO-201', 0], ['cy', 'BIO-201', 0],\n     ['bob', 'BIO-201', 0]],\n    {'ann': [], 'bob': [1, 5], 'cy': [1]}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'BIO'}, 2, 2],\n   [['bob', 'BIO-201', 'double'], ['cy', 'BIO-201', 'own_subject']]),\n  ('boundary control 3', [[['ann', 'BIO-201', 0]], {}, {'ann': 'BIOL'}, 2, 3], []),\n  ('normal control 4',\n   [[['ann', 'BIOL-300', 0], ['bob', 'CHEM-110', 2], ['cy', 'CHEM-110', 4], ['cy', 'MATH-101', 0],\n     ['bob', 'CHEM-110', 1]],\n    {'ann': [0, 5], 'bob': [1], 'cy': [0]}, {'ann': 'BIO', 'bob': 'CHEM', 'cy': 'CHEM'}, 1, 2],\n   [['ann', 'BIOL-300', 'busy'], ['bob', 'CHEM-110', 'busy'], ['bob', 'CHEM-110', 'own_subject'],\n    ['bob', 'CHEM-110', 'own_subject'], ['cy', 'CHEM-110', 'own_subject'], ['cy', 'MATH-101', 'busy']]),\n  ('normal control 5',\n   [[['cy', 'BIOL-300', 4], ['ann', 'CHEM-110', 4], ['ann', 'MATH-101', 1], ['ann', 'MATH-101', 5],\n     ['bob', 'BIO-201', 4], ['ann', 'BIOL-300', 3]],\n    {'ann': [2], 'bob': [0], 'cy': [0]}, {'ann': 'BIOL', 'bob': 'BIOL', 'cy': 'CHEM'}, 1, 3],\n   [['ann', 'BIOL-300', 'own_subject'], ['ann', 'MATH-101', 'daily_max']]),\n  ('normal control 6',\n   [[['ann', 'CHEM-110', 0], ['ann', 'MATH-101', 0]], {'ann': [], 'bob': [1, 4], 'cy': [0, 3]},\n    {'ann': 'BIOL', 'bob': 'CHEM', 'cy': 'CHEM'}, 2, 2],\n   [['ann', 'MATH-101', 'double']]),\n  ('normal control 7',\n   [[['cy', 'BIO-201', 5], ['cy', 'CHEM-110', 3]], {'ann': [], 'bob': [0, 1], 'cy': [0]},\n    {'ann': 'MATH', 'bob': 'BIOL', 'cy': 'MATH'}, 2, 3],\n   []),\n  ('normal control 8',\n   [[['ann', 'BIOL-300', 5], ['bob', 'CHEM-110', 4], ['bob', 'BIO-201', 4], ['bob', 'BIOL-300', 5]],\n    {'ann': [3], 'bob': [], 'cy': [2, 3]}, {'ann': 'BIO', 'bob': 'BIO', 'cy': 'BIOL'}, 1, 2],\n   [['bob', 'BIO-201', 'daily_max'], ['bob', 'BIO-201', 'double'], ['bob', 'BIO-201', 'own_subject']])]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"Stipulated toy exam-timetabling rule set for a bounded model; it does not claim conformance with any institution's regulations or a benchmark specification, and it performs no search or optimisation. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"w2-exam-timetabling-constraints-invigilation-duty-validation-subject-code-prefix","generated_at":"2026-09-29T14:52:05.832671+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Invigilation rosters must respect teaching commitments, conflict-of-interest rules and daily limits.","repair":"Use the part before the hyphen as the subject code.","root_cause":"The exam subject is a fixed-width prefix.","sha256":"0b665ee0a2e1b6f541ea52590673e372eb80f48d09425724b6128cb294c313c7","title":"Subject code taken as the first four characters · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":43.131,"exit_code":1,"observations":[{"actual":[["ann","MATH-101","busy"],["cy","BIO-201","double"]],"check":"regression: subject code prefix 1","expected":[["ann","MATH-101","busy"],["ann","MATH-101","own_subject"],["bob","CHEM-110","own_subject"],["cy","BIO-201","double"],["cy","BIO-201","own_subject"],["cy","BIO-201","own_subject"]],"passed":false},{"actual":[["bob","BIOL-300","daily_max"],["bob","BIOL-300","double"]],"check":"regression variant: subject code prefix 2","expected":[["bob","BIO-201","own_subject"],["bob","BIOL-300","daily_max"],["bob","BIOL-300","double"]],"passed":false},{"actual":[["cy","CHEM-110","busy"],["cy","CHEM-110","daily_max"],["cy","CHEM-110","double"]],"check":"partial repair guard 3","expected":[["bob","BIOL-300","own_subject"],["cy","CHEM-110","busy"],["cy","CHEM-110","daily_max"],["cy","CHEM-110","double"]],"passed":false},{"actual":[],"check":"boundary control 4","expected":[],"passed":true},{"actual":[["ann","BIOL-300","double"]],"check":"normal control 5","expected":[["ann","BIOL-300","double"],["cy","BIOL-300","own_subject"]],"passed":false},{"actual":[["ann","BIO-201","daily_max"],["ann","BIO-201","double"],["ann","MATH-101","double"]],"check":"normal control 6","expected":[["ann","BIO-201","daily_max"],["ann","BIO-201","double"],["ann","MATH-101","double"]],"passed":true},{"actual":[["bob","BIOL-300","daily_max"],["bob","BIOL-300","double"],["cy","BIOL-300","daily_max"],["cy","BIOL-300","double"],["cy","CHEM-110","double"]],"check":"normal control 7","expected":[["bob","BIOL-300","daily_max"],["bob","BIOL-300","double"],["bob","BIOL-300","own_subject"],["cy","BIOL-300","daily_max"],["cy","BIOL-300","double"],["cy","BIOL-300","own_subject"],["cy","BIOL-300","own_subject"],["cy","CHEM-110","double"]],"passed":false},{"actual":[["ann","BIO-201","busy"],["ann","BIO-201","double"],["ann","CHEM-110","busy"],["ann","MATH-101","double"]],"check":"normal control 8","expected":[["ann","BIO-201","busy"],["ann","BIO-201","double"],["ann","CHEM-110","busy"],["ann","CHEM-110","own_subject"],["ann","MATH-101","double"]],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: subject code prefix 1\", \"actual\": [[\"ann\", \"MATH-101\", \"busy\"], [\"cy\", \"BIO-201\", \"double\"]], \"expected\": [[\"ann\", \"MATH-101\", \"busy\"], [\"ann\", \"MATH-101\", \"own_subject\"], [\"bob\", \"CHEM-110\", \"own_subject\"], [\"cy\", \"BIO-201\", \"double\"], [\"cy\", \"BIO-201\", \"own_subject\"], [\"cy\", \"BIO-201\", \"own_subject\"]], \"passed\": false}, {\"check\": \"regression variant: subject code prefix 2\", \"actual\": [[\"bob\", \"BIOL-300\", \"daily_max\"], [\"bob\", \"BIOL-300\", \"double\"]], \"expected\": [[\"bob\", \"BIO-201\", \"own_subject\"], [\"bob\", \"BIOL-300\", \"daily_max\"], [\"bob\", \"BIOL-300\", \"double\"]], \"passed\": false}, {\"check\": \"partial repair guard 3\", \"actual\": [[\"cy\", \"CHEM-110\", \"busy\"], [\"cy\", \"CHEM-110\", \"daily_max\"], [\"cy\", \"CHEM-110\", \"double\"]], \"expected\": [[\"bob\", \"BIOL-300\", \"own_subject\"], [\"cy\", \"CHEM-110\", \"busy\"], [\"cy\", \"CHEM-110\", \"daily_max\"], [\"cy\", \"CHEM-110\", \"double\"]], \"passed\": false}, {\"check\": \"boundary control 4\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"normal control 5\", \"actual\": [[\"ann\", \"BIOL-300\", \"double\"]], \"expected\": [[\"ann\", \"BIOL-300\", \"double\"], [\"cy\", \"BIOL-300\", \"own_subject\"]], \"passed\": false}, {\"check\": \"normal control 6\", \"actual\": [[\"ann\", \"BIO-201\", \"daily_max\"], [\"ann\", \"BIO-201\", \"double\"], [\"ann\", \"MATH-101\", \"double\"]], \"expected\": [[\"ann\", \"BIO-201\", \"daily_max\"], [\"ann\", \"BIO-201\", \"double\"], [\"ann\", \"MATH-101\", \"double\"]], \"passed\": true}, {\"check\": \"normal control 7\", \"actual\": [[\"bob\", \"BIOL-300\", \"daily_max\"], [\"bob\", \"BIOL-300\", \"double\"], [\"cy\", \"BIOL-300\", \"daily_max\"], [\"cy\", \"BIOL-300\", \"double\"], [\"cy\", \"CHEM-110\", \"double\"]], \"expected\": [[\"bob\", \"BIOL-300\", \"daily_max\"], [\"bob\", \"BIOL-300\", \"double\"], [\"bob\", \"BIOL-300\", \"own_subject\"], [\"cy\", \"BIOL-300\", \"daily_max\"], [\"cy\", \"BIOL-300\", \"double\"], [\"cy\", \"BIOL-300\", \"own_subject\"], [\"cy\", \"BIOL-300\", \"own_subject\"], [\"cy\", \"CHEM-110\", \"double\"]], \"passed\": false}, {\"check\": \"normal control 8\", \"actual\": [[\"ann\", \"BIO-201\", \"busy\"], [\"ann\", \"BIO-201\", \"double\"], [\"ann\", \"CHEM-110\", \"busy\"], [\"ann\", \"MATH-101\", \"double\"]], \"expected\": [[\"ann\", \"BIO-201\", \"busy\"], [\"ann\", \"BIO-201\", \"double\"], [\"ann\", \"CHEM-110\", \"busy\"], [\"ann\", \"CHEM-110\", \"own_subject\"], [\"ann\", \"MATH-101\", \"double\"]], \"passed\": false}], \"passed\": false}\n"},"broken":{"elapsed_ms":39.155,"exit_code":1,"observations":[{"actual":[["ann","MATH-101","busy"],["ann","MATH-101","own_subject"],["bob","CHEM-110","own_subject"],["cy","BIO-201","double"]],"check":"regression: subject code prefix 1","expected":[["ann","MATH-101","busy"],["ann","MATH-101","own_subject"],["bob","CHEM-110","own_subject"],["cy","BIO-201","double"],["cy","BIO-201","own_subject"],["cy","BIO-201","own_subject"]],"passed":false},{"actual":[["bob","BIOL-300","daily_max"],["bob","BIOL-300","double"]],"check":"regression variant: subject code prefix 2","expected":[["bob","BIO-201","own_subject"],["bob","BIOL-300","daily_max"],["bob","BIOL-300","double"]],"passed":false},{"actual":[["bob","BIOL-300","own_subject"],["cy","CHEM-110","busy"],["cy","CHEM-110","daily_max"],["cy","CHEM-110","double"]],"check":"partial repair guard 3","expected":[["bob","BIOL-300","own_subject"],["cy","CHEM-110","busy"],["cy","CHEM-110","daily_max"],["cy","CHEM-110","double"]],"passed":true},{"actual":[],"check":"boundary control 4","expected":[],"passed":true},{"actual":[["ann","BIOL-300","double"],["cy","BIOL-300","own_subject"]],"check":"normal control 5","expected":[["ann","BIOL-300","double"],["cy","BIOL-300","own_subject"]],"passed":true},{"actual":[["ann","BIO-201","daily_max"],["ann","BIO-201","double"],["ann","MATH-101","double"]],"check":"normal control 6","expected":[["ann","BIO-201","daily_max"],["ann","BIO-201","double"],["ann","MATH-101","double"]],"passed":true},{"actual":[["bob","BIOL-300","daily_max"],["bob","BIOL-300","double"],["bob","BIOL-300","own_subject"],["cy","BIOL-300","daily_max"],["cy","BIOL-300","double"],["cy","BIOL-300","own_subject"],["cy","BIOL-300","own_subject"],["cy","CHEM-110","double"]],"check":"normal control 7","expected":[["bob","BIOL-300","daily_max"],["bob","BIOL-300","double"],["bob","BIOL-300","own_subject"],["cy","BIOL-300","daily_max"],["cy","BIOL-300","double"],["cy","BIOL-300","own_subject"],["cy","BIOL-300","own_subject"],["cy","CHEM-110","double"]],"passed":true},{"actual":[["ann","BIO-201","busy"],["ann","BIO-201","double"],["ann","CHEM-110","busy"],["ann","CHEM-110","own_subject"],["ann","MATH-101","double"]],"check":"normal control 8","expected":[["ann","BIO-201","busy"],["ann","BIO-201","double"],["ann","CHEM-110","busy"],["ann","CHEM-110","own_subject"],["ann","MATH-101","double"]],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: subject code prefix 1\", \"actual\": [[\"ann\", \"MATH-101\", \"busy\"], [\"ann\", \"MATH-101\", \"own_subject\"], [\"bob\", \"CHEM-110\", \"own_subject\"], [\"cy\", \"BIO-201\", \"double\"]], \"expected\": [[\"ann\", \"MATH-101\", \"busy\"], [\"ann\", \"MATH-101\", \"own_subject\"], [\"bob\", \"CHEM-110\", \"own_subject\"], [\"cy\", \"BIO-201\", \"double\"], [\"cy\", \"BIO-201\", \"own_subject\"], [\"cy\", \"BIO-201\", \"own_subject\"]], \"passed\": false}, {\"check\": \"regression variant: subject code prefix 2\", \"actual\": [[\"bob\", \"BIOL-300\", \"daily_max\"], [\"bob\", \"BIOL-300\", \"double\"]], \"expected\": [[\"bob\", \"BIO-201\", \"own_subject\"], [\"bob\", \"BIOL-300\", \"daily_max\"], [\"bob\", \"BIOL-300\", \"double\"]], \"passed\": false}, {\"check\": \"partial repair guard 3\", \"actual\": [[\"bob\", \"BIOL-300\", \"own_subject\"], [\"cy\", \"CHEM-110\", \"busy\"], [\"cy\", \"CHEM-110\", \"daily_max\"], [\"cy\", \"CHEM-110\", \"double\"]], \"expected\": [[\"bob\", \"BIOL-300\", \"own_subject\"], [\"cy\", \"CHEM-110\", \"busy\"], [\"cy\", \"CHEM-110\", \"daily_max\"], [\"cy\", \"CHEM-110\", \"double\"]], \"passed\": true}, {\"check\": \"boundary control 4\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"normal control 5\", \"actual\": [[\"ann\", \"BIOL-300\", \"double\"], [\"cy\", \"BIOL-300\", \"own_subject\"]], \"expected\": [[\"ann\", \"BIOL-300\", \"double\"], [\"cy\", \"BIOL-300\", \"own_subject\"]], \"passed\": true}, {\"check\": \"normal control 6\", \"actual\": [[\"ann\", \"BIO-201\", \"daily_max\"], [\"ann\", \"BIO-201\", \"double\"], [\"ann\", \"MATH-101\", \"double\"]], \"expected\": [[\"ann\", \"BIO-201\", \"daily_max\"], [\"ann\", \"BIO-201\", \"double\"], [\"ann\", \"MATH-101\", \"double\"]], \"passed\": true}, {\"check\": \"normal control 7\", \"actual\": [[\"bob\", \"BIOL-300\", \"daily_max\"], [\"bob\", \"BIOL-300\", \"double\"], [\"bob\", \"BIOL-300\", \"own_subject\"], [\"cy\", \"BIOL-300\", \"daily_max\"], [\"cy\", \"BIOL-300\", \"double\"], [\"cy\", \"BIOL-300\", \"own_subject\"], [\"cy\", \"BIOL-300\", \"own_subject\"], [\"cy\", \"CHEM-110\", \"double\"]], \"expected\": [[\"bob\", \"BIOL-300\", \"daily_max\"], [\"bob\", \"BIOL-300\", \"double\"], [\"bob\", \"BIOL-300\", \"own_subject\"], [\"cy\", \"BIOL-300\", \"daily_max\"], [\"cy\", \"BIOL-300\", \"double\"], [\"cy\", \"BIOL-300\", \"own_subject\"], [\"cy\", \"BIOL-300\", \"own_subject\"], [\"cy\", \"CHEM-110\", \"double\"]], \"passed\": true}, {\"check\": \"normal control 8\", \"actual\": [[\"ann\", \"BIO-201\", \"busy\"], [\"ann\", \"BIO-201\", \"double\"], [\"ann\", \"CHEM-110\", \"busy\"], [\"ann\", \"CHEM-110\", \"own_subject\"], [\"ann\", \"MATH-101\", \"double\"]], \"expected\": [[\"ann\", \"BIO-201\", \"busy\"], [\"ann\", \"BIO-201\", \"double\"], [\"ann\", \"CHEM-110\", \"busy\"], [\"ann\", \"CHEM-110\", \"own_subject\"], [\"ann\", \"MATH-101\", \"double\"]], \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":42.324,"exit_code":0,"observations":[{"actual":[["ann","MATH-101","busy"],["ann","MATH-101","own_subject"],["bob","CHEM-110","own_subject"],["cy","BIO-201","double"],["cy","BIO-201","own_subject"],["cy","BIO-201","own_subject"]],"check":"regression: subject code prefix 1","expected":[["ann","MATH-101","busy"],["ann","MATH-101","own_subject"],["bob","CHEM-110","own_subject"],["cy","BIO-201","double"],["cy","BIO-201","own_subject"],["cy","BIO-201","own_subject"]],"passed":true},{"actual":[["bob","BIO-201","own_subject"],["bob","BIOL-300","daily_max"],["bob","BIOL-300","double"]],"check":"regression variant: subject code prefix 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