Decent CTF 2023

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When \(a \ne 0\), there are two solutions to \(ax^2 + bx + c = 0\) and they are \(x_1 = {-b + \sqrt{b^2-4ac} \over 2a}\) \(x_2 = {-b - \sqrt{b^2-4ac} \over 2a} \notag\)

graph TB;
    A[Do you have a problem in your life?]
    B[Then don't worry]
    C[Can you do something about it?]
    A--no-->B;
    A--yes-->C;
    C--no-->B;
    C--yes-->B;
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          11,
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        "backgroundColor": [
          "#FF6384",
          "#4BC0C0",
          "#FFCE56",
          "#E7E9ED",
          "#36A2EB"
        ],
        "label": "My dataset"
      }
    ],
    "labels": [
      "Red",
      "Green",
      "Yellow",
      "Grey",
      "Blue"
    ]
  },
  "options": {}
}