Untitled7.ipynb

Untitled7.ipynb

{
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      "cell_type": "code",
      "source": "xs = collect(1:9)\ncount = 0\nfor i in 1:9\n    for j in i + 1:9\n        xs[i], xs[j] = xs[j], xs[i]\n        _12345 = 0\n        for i = 1:5\n            _12345 = 10 * _12345 + xs[i]\n        end\n        if _12345 % xs[2] == xs[1]\n            count += 1\n            println(count < 10 ? \" \" : \"\", count, \": \", _12345, \" % \", xs[2], \" = \", xs[1], \" ($i↔$j)\")\n        end\n        xs[i], xs[j] = xs[j], xs[i]\n    end\nend",
      "execution_count": 6,
      "outputs": [
        {
          "output_type": "stream",
          "text": " 1: 14325 % 4 = 1 (2↔4)\n 2: 16345 % 6 = 1 (2↔6)\n 3: 18345 % 8 = 1 (2↔8)\n 4: 12435 % 2 = 1 (3↔4)\n 5: 12543 % 2 = 1 (3↔5)\n 6: 12645 % 2 = 1 (3↔6)\n 7: 12745 % 2 = 1 (3↔7)\n 8: 12845 % 2 = 1 (3↔8)\n 9: 12945 % 2 = 1 (3↔9)\n10: 12365 % 2 = 1 (4↔6)\n11: 12375 % 2 = 1 (4↔7)\n12: 12385 % 2 = 1 (4↔8)\n13: 12395 % 2 = 1 (4↔9)\n14: 12347 % 2 = 1 (5↔7)\n15: 12349 % 2 = 1 (5↔9)\n16: 12345 % 2 = 1 (6↔7)\n17: 12345 % 2 = 1 (6↔8)\n18: 12345 % 2 = 1 (6↔9)\n19: 12345 % 2 = 1 (7↔8)\n20: 12345 % 2 = 1 (7↔9)\n21: 12345 % 2 = 1 (8↔9)\n",
          "name": "stdout"
        }
      ]
    }
  ],
  "metadata": {
    "kernelspec": {
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      "display_name": "Julia 1.4.2",
      "language": "julia"
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    "language_info": {
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        "description": "Untitled7.ipynb",
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