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    "You are given an integer `num`. You will apply the following steps exactly\n",
    "**two** times:\n",
    "\n",
    "  * Pick a digit `x (0 <= x <= 9)`.\n",
    "  * Pick another digit `y (0 <= y <= 9)`. The digit `y` can be equal to `x`.\n",
    "  * Replace all the occurrences of `x` in the decimal representation of `num` by `y`.\n",
    "  * The new integer **cannot** have any leading zeros, also the new integer **cannot** be 0.\n",
    "\n",
    "Let `a` and `b` be the results of applying the operations to `num` the first\n",
    "and second times, respectively.\n",
    "\n",
    "Return _the max difference_ between `a` and `b`.\n",
    "\n",
    "\n",
    "\n",
    "**Example 1:**\n",
    "\n",
    "\n",
    "\n",
    "    Input: num = 555\n",
    "    Output: 888\n",
    "    Explanation: The first time pick x = 5 and y = 9 and store the new integer in a.\n",
    "    The second time pick x = 5 and y = 1 and store the new integer in b.\n",
    "    We have now a = 999 and b = 111 and max difference = 888\n",
    "\n",
    "\n",
    "**Example 2:**\n",
    "\n",
    "\n",
    "\n",
    "    Input: num = 9\n",
    "    Output: 8\n",
    "    Explanation: The first time pick x = 9 and y = 9 and store the new integer in a.\n",
    "    The second time pick x = 9 and y = 1 and store the new integer in b.\n",
    "    We have now a = 9 and b = 1 and max difference = 8\n",
    "\n",
    "\n",
    "**Example 3:**\n",
    "\n",
    "\n",
    "\n",
    "    Input: num = 123456\n",
    "    Output: 820000\n",
    "\n",
    "\n",
    "**Example 4:**\n",
    "\n",
    "\n",
    "\n",
    "    Input: num = 10000\n",
    "    Output: 80000\n",
    "\n",
    "\n",
    "**Example 5:**\n",
    "\n",
    "\n",
    "\n",
    "    Input: num = 9288\n",
    "    Output: 8700\n",
    "\n",
    "\n",
    "\n",
    "\n",
    "**Constraints:**\n",
    "\n",
    "  * `1 <= num <= 10^8`"
   ],
   "metadata": {}
  },
  {
   "outputs": [
    {
     "output_type": "execute_result",
     "data": {
      "text/plain": "max_score_1432 (generic function with 1 method)"
     },
     "metadata": {},
     "execution_count": 1
    }
   ],
   "cell_type": "code",
   "source": [
    "# @lc code=start\n",
    "using LeetCode\n",
    "\n",
    "function max_score_1432(card_points::Vector{Int}, k::Int)\n",
    "    len, tt = length(card_points), sum(card_points)\n",
    "    i, j = 1, len - k\n",
    "    minn = sum(card_points[i:j])\n",
    "    tmp = minn\n",
    "    while j < len\n",
    "        tmp -= card_points[i]\n",
    "        i += 1\n",
    "        tmp += card_points[j += 1]\n",
    "        minn = min(tmp, minn)\n",
    "    end\n",
    "    tt - minn\n",
    "end\n",
    "# @lc code=end"
   ],
   "metadata": {},
   "execution_count": 1
  },
  {
   "cell_type": "markdown",
   "source": [
    "---\n",
    "\n",
    "*This notebook was generated using [Literate.jl](https://github.com/fredrikekre/Literate.jl).*"
   ],
   "metadata": {}
  }
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