{
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      "title": "舞台高度",
      "points": 30,
      "score": 0,
      "cases": [
        {
          "case": "case01.in",
          "ok": false,
          "seconds": 0.026,
          "note": "第 1 行：交回 ''，期望 '4'"
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          "note": "第 1 行：交回 ''，期望 '1'"
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          "note": "第 1 行：交回 ''，期望 '1000000000'"
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          "case": "case04.in",
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          "seconds": 0.019,
          "note": "第 1 行：交回 ''，期望 '1000000000'"
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        {
          "case": "case05.in",
          "ok": false,
          "seconds": 0.018,
          "note": "第 1 行：交回 ''，期望 '4653'"
        },
        {
          "case": "case06.in",
          "ok": false,
          "seconds": 0.027,
          "note": "第 1 行：交回 ''，期望 '4'"
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      "title": "四边形合并",
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          "note": "第 1 行：交回 ''，期望 '14'"
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          "note": "第 1 行：交回 ''，期望 '-1'"
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          "case": "case05.in",
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          "seconds": 0.018,
          "note": "第 1 行：交回 ''，期望 '66330997776'"
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          "note": "第 1 行：交回 ''，期望 '783317116223'"
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      "title": "数颜色",
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          "case": "case01.in",
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          "note": "第 1 行：交回 ''，期望 '3'"
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          "note": "第 1 行：交回 ''，期望 '1'"
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          "note": "第 1 行：交回 ''，期望 '3'"
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          "note": "第 1 行：交回 ''，期望 '1086'"
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          "note": "第 1 行：交回 ''，期望 '300'"
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          "ok": false,
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          "note": "第 1 行：交回 ''，期望 '199976'"
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      "title": "最长公共子串",
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      "score": 0,
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          "ok": false,
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          "note": "第 1 行：交回 ''，期望 '4'"
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          "case": "case02.in",
          "ok": false,
          "seconds": 0.018,
          "note": "第 1 行：交回 ''，期望 '0'"
        },
        {
          "case": "case03.in",
          "ok": false,
          "seconds": 0.017,
          "note": "第 1 行：交回 ''，期望 '3'"
        },
        {
          "case": "case04.in",
          "ok": false,
          "seconds": 0.017,
          "note": "第 1 行：交回 ''，期望 '601'"
        },
        {
          "case": "case05.in",
          "ok": false,
          "seconds": 0.017,
          "note": "第 1 行：交回 ''，期望 '601'"
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        {
          "case": "case06.in",
          "ok": false,
          "seconds": 0.018,
          "note": "第 1 行：交回 ''，期望 '4000'"
        }
      ]
    },
    "p5": {
      "title": "雨天迷宫",
      "points": 80,
      "score": 0,
      "cases": [
        {
          "case": "case01.in",
          "ok": false,
          "seconds": 0.018,
          "note": "第 1 行：交回 ''，期望 '0'"
        },
        {
          "case": "case02.in",
          "ok": false,
          "seconds": 0.017,
          "note": "第 1 行：交回 ''，期望 '4'"
        },
        {
          "case": "case03.in",
          "ok": false,
          "seconds": 0.018,
          "note": "第 1 行：交回 ''，期望 '-1'"
        },
        {
          "case": "case04.in",
          "ok": false,
          "seconds": 0.018,
          "note": "第 1 行：交回 ''，期望 '2'"
        },
        {
          "case": "case05.in",
          "ok": false,
          "seconds": 0.018,
          "note": "第 1 行：交回 ''，期望 '118'"
        },
        {
          "case": "case06.in",
          "ok": false,
          "seconds": 0.018,
          "note": "第 1 行：交回 ''，期望 '300'"
        }
      ]
    }
  },
  "note": "这一课真正要判的是 timeline.md 与 explain.md：跑 py check_timeline.py"
}