{
  "schema": "wai.quantum.exercise/1",
  "id": "uniform",
  "translations": { "zh-CN": "machine-assisted: to be reviewed by a fluent reader before it is advertised" },
  "title": { "en": "Every outcome at once", "zh-CN": "所有结果同时出现" },
  "task": {
    "en": "Three qubits. Make all eight outcomes, 000 to 111, equally likely.",
    "zh-CN": "三个量子比特。让 000 到 111 这八个结果出现的可能性完全相同。"
  },
  "starter": [
    "OPENQASM 3.0;",
    "include \"stdgates.inc\";",
    "qubit[3] q;",
    "bit[3] c;",
    "// your gates here",
    "c = measure q;"
  ],
  "intent": {
    "distribution": { "000": 0.125, "001": 0.125, "010": 0.125, "011": 0.125, "100": 0.125, "101": 0.125, "110": 0.125, "111": 0.125 }
  },
  "hints": {
    "en": [
      "Each qubit on its own must give 0 and 1 equally often, and the qubits must not depend on one another.",
      "A gate applied to a register name, as in `x q;`, acts on every qubit of the register."
    ],
    "zh-CN": [
      "每个量子比特单独来看必须等可能地给出 0 和 1，而且各量子比特之间互不依赖。",
      "作用在寄存器名上的门，例如 `x q;`，会作用于寄存器中的每个量子比特。"
    ]
  },
  "reference": [
    "OPENQASM 3.0;",
    "include \"stdgates.inc\";",
    "qubit[3] q;",
    "bit[3] c;",
    "h q;",
    "c = measure q;"
  ],
  "wrong": [
    {
      "fails": "intent",
      "note": "two of three qubits in superposition give four outcomes, not eight",
      "qasm": ["OPENQASM 3.0;", "include \"stdgates.inc\";", "qubit[3] q;", "bit[3] c;", "h q[0];", "h q[1];", "c = measure q;"]
    }
  ]
}