011-largest-product-in-a-grid.ipynb

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    "# Largest product in a grid\n",
    "## Problem 11 \n",
    "\n",
    "<div class=\"problem_content\" role=\"problem\">\n",
    "<p>In the 20&#215;20 grid below, four numbers along a diagonal line have been marked in red.</p>\n",
    "<p style=\"font-family:'courier new';text-align:center;font-size:10pt;\">\n",
    "08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08<br/>\n",
    "49 49 99 40 17 81 18 57 60 87 17 40 98 43 69 48 04 56 62 00<br/>\n",
    "81 49 31 73 55 79 14 29 93 71 40 67 53 88 30 03 49 13 36 65<br/>\n",
    "52 70 95 23 04 60 11 42 69 24 68 56 01 32 56 71 37 02 36 91<br/>\n",
    "22 31 16 71 51 67 63 89 41 92 36 54 22 40 40 28 66 33 13 80<br/>\n",
    "24 47 32 60 99 03 45 02 44 75 33 53 78 36 84 20 35 17 12 50<br/>\n",
    "32 98 81 28 64 23 67 10 <span style=\"color:#ff0000;\"><b>26</b></span> 38 40 67 59 54 70 66 18 38 64 70<br/>\n",
    "67 26 20 68 02 62 12 20 95 <span style=\"color:#ff0000;\"><b>63</b></span> 94 39 63 08 40 91 66 49 94 21<br/>\n",
    "24 55 58 05 66 73 99 26 97 17 <span style=\"color:#ff0000;\"><b>78</b></span> 78 96 83 14 88 34 89 63 72<br/>\n",
    "21 36 23 09 75 00 76 44 20 45 35 <span style=\"color:#ff0000;\"><b>14</b></span> 00 61 33 97 34 31 33 95<br/>\n",
    "78 17 53 28 22 75 31 67 15 94 03 80 04 62 16 14 09 53 56 92<br/>\n",
    "16 39 05 42 96 35 31 47 55 58 88 24 00 17 54 24 36 29 85 57<br/>\n",
    "86 56 00 48 35 71 89 07 05 44 44 37 44 60 21 58 51 54 17 58<br/>\n",
    "19 80 81 68 05 94 47 69 28 73 92 13 86 52 17 77 04 89 55 40<br/>\n",
    "04 52 08 83 97 35 99 16 07 97 57 32 16 26 26 79 33 27 98 66<br/>\n",
    "88 36 68 87 57 62 20 72 03 46 33 67 46 55 12 32 63 93 53 69<br/>\n",
    "04 42 16 73 38 25 39 11 24 94 72 18 08 46 29 32 40 62 76 36<br/>\n",
    "20 69 36 41 72 30 23 88 34 62 99 69 82 67 59 85 74 04 36 16<br/>\n",
    "20 73 35 29 78 31 90 01 74 31 49 71 48 86 81 16 23 57 05 54<br/>\n",
    "01 70 54 71 83 51 54 69 16 92 33 48 61 43 52 01 89 19 67 48<br/></p>\n",
    "<p>The product of these numbers is 26 &#215; 63 &#215; 78 &#215; 14 = 1788696.</p>\n",
    "<p>What is the greatest product of four adjacent numbers in the same direction (up, down, left, right, or diagonally) in the 20&#215;20 grid?</p>\n",
    "</div>"
   ]
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  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "def solve():\n",
    "    # Your code here\n",
    "    \n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Solution"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "solve()"
   ]
  }
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