334.ipynb

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      "# -*- coding: utf-8 -*-\n",
      "import math\n",
      "import random\n",
      "import sys\n",
      "sys.setrecursionlimit(10000)\n",
      "\n",
      "\n",
      "def Nandeya(n, flag_3, flag_33):\n",
      "    v = random.randint(1,6)\n",
      "\n",
      "    if flag_33:\n",
      "        if v == 4:\n",
      "            return n\n",
      "        elif v == 3:\n",
      "            return Nandeya(n+1, False, True)\n",
      "        return Nandeya(n+1, True, False)\n",
      "    \n",
      "    if flag_3:\n",
      "        if v == 3:\n",
      "            return Nandeya(n+1, False, True)\n",
      "        return Nandeya(n+1, False, False)\n",
      "\n",
      "    if v == 3:\n",
      "        return Nandeya(n+1, True, False)\n",
      "\n",
      "    return Nandeya(n+1, False, False)\n",
      "\n",
      "\n",
      "if __name__ == \"__main__\":\n",
      "\n",
      "    for i in range(10):\n",
      "\n",
      "        list = [0 for x in range(1000)]\n",
      "        for i in range(len(list)):\n",
      "            try:\n",
      "                list[i] = Nandeya(1, False, False)\n",
      "\n",
      "            except RuntimeError:\n",
      "                print \"{0}\u56de\u76ee\u306bRuntimeError\u767a\u751f\".format(i+1)\n",
      "                list[i] = Nandeya(1, False, False)\n",
      "        #print list\n",
      "        print sum(list)/len(list)"
     ],
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