X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=monotone-sequences%2Fsingle_sequence-itertools.ipynb;fp=monotone-sequences%2Fsingle_sequence-itertools.ipynb;h=0000000000000000000000000000000000000000;hb=4be776e6aef6b347a2ee84820f5e658e517cf43a;hp=111b7befad72d5256806c6f44b2b3dfc3b3d4c01;hpb=e70f19374b89d58b52e4cf3b9b2f41aac7c0884b;p=ou-summer-of-code-2017.git

diff --git a/monotone-sequences/single_sequence-itertools.ipynb b/monotone-sequences/single_sequence-itertools.ipynb
deleted file mode 100644
index 111b7be..0000000
--- a/monotone-sequences/single_sequence-itertools.ipynb
+++ /dev/null
@@ -1,444 +0,0 @@
-{
- "cells": [
-  {
-   "cell_type": "code",
-   "execution_count": 2,
-   "metadata": {
-    "collapsed": true
-   },
-   "outputs": [],
-   "source": [
-    "import itertools"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 13,
-   "metadata": {
-    "collapsed": true
-   },
-   "outputs": [],
-   "source": [
-    "def cmp(x, y):\n",
-    "    if x == y:\n",
-    "        return 0\n",
-    "    elif x > y:\n",
-    "        return -1\n",
-    "    else:\n",
-    "        return 1"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 110,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [],
-   "source": [
-    "def longest_monotone(seq, allow_same=False, debug=False):\n",
-    "    \"\"\"Find the longest monotonic sequence. If allow_same is True, \n",
-    "    instead find the longest non-decreasing or non-increasing sequence\"\"\"\n",
-    "    cmps = [cmp(x, y) for x, y in zip(seq, seq[1:])]\n",
-    "    groups = [(k, len(list(g)) + 1) for k, g in itertools.groupby(cmps)]\n",
-    "    if allow_same:\n",
-    "        groups = merged(groups)\n",
-    "    if debug:\n",
-    "        return max(t[1] for t in groups), groups\n",
-    "    else:\n",
-    "        return max(t[1] for t in groups)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 85,
-   "metadata": {
-    "collapsed": true
-   },
-   "outputs": [],
-   "source": [
-    "def merged(gs):\n",
-    "    padded = gs + [(0, 0)]\n",
-    "    mgs = []\n",
-    "    prev = (0, 1)\n",
-    "    for curr, nxt in zip(padded, padded[1:]):\n",
-    "        if prev[0] == 0:\n",
-    "            prev = (curr[0], prev[1] + curr[1] - 1)\n",
-    "        elif curr[0] == 0:\n",
-    "            prev = (prev[0], prev[1] + curr[1] - 1)\n",
-    "            if prev[0] != nxt[0]:\n",
-    "                mgs += [prev]\n",
-    "                prev = (0, curr[1])\n",
-    "        elif prev[0] == curr[0]:\n",
-    "            prev = (prev[0], prev[1] + curr[1] - 1)\n",
-    "        else:\n",
-    "            mgs += [prev]\n",
-    "            prev = curr\n",
-    "    mgs += [prev]\n",
-    "    return mgs          "
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 111,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "5"
-      ]
-     },
-     "execution_count": 111,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "longest_monotone([1,2,3,4,5,4,5,6])"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 112,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "(5, [(1, 5), (-1, 2), (1, 3)])"
-      ]
-     },
-     "execution_count": 112,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "longest_monotone([1,2,3,4,5,4,5,6], debug=True)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 102,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "5"
-      ]
-     },
-     "execution_count": 102,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "longest_monotone([10,1,2,3,4,5,4,5,6])"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 103,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "5"
-      ]
-     },
-     "execution_count": 103,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "longest_monotone([10,1,2,3,4,5,5,5,4,3,5,6])"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 104,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "7"
-      ]
-     },
-     "execution_count": 104,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "longest_monotone([10,1,2,3,4,5,5,5,4,3,5,6], allow_same=True)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 105,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "5"
-      ]
-     },
-     "execution_count": 105,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "longest_monotone([10,1,2,5,5,5,4,3,2,1,5,6])"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 106,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "7"
-      ]
-     },
-     "execution_count": 106,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "longest_monotone([10,1,2,5,5,5,4,3,2,1,5,6], allow_same=True)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 107,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "7"
-      ]
-     },
-     "execution_count": 107,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "longest_monotone([10,1,2,5,5,5,4,3,2,5,6,6,6,6,6,6,6,2])"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 108,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "9"
-      ]
-     },
-     "execution_count": 108,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "longest_monotone([10,1,2,5,5,5,4,3,2,5,6,6,6,6,6,6,6,2], allow_same=True)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 109,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "7"
-      ]
-     },
-     "execution_count": 109,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "longest_monotone([10,1,2,5,5,5,6,7,7,8,8,3,2,5,6,6,6,6,6,6,6,2], allow_same=False)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 113,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "10"
-      ]
-     },
-     "execution_count": 113,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "longest_monotone([10,1,2,5,5,5,6,7,7,8,8,3,2,5,6,6,6,6,6,6,6,2], allow_same=True)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 114,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "0 24\n"
-     ]
-    }
-   ],
-   "source": [
-    "for i in range(1):\n",
-    "    with open('sequence{:03}.txt'.format(i)) as f:\n",
-    "        sseq = f.read()\n",
-    "        seq = [int(s) for s in sseq.split(',')]\n",
-    "        s = longest_monotone(seq)\n",
-    "        print(i, s)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 115,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "0 24\n",
-      "1 34\n",
-      "2 23\n",
-      "3 23\n",
-      "4 22\n",
-      "5 27\n",
-      "6 27\n",
-      "7 24\n",
-      "8 22\n",
-      "9 21\n"
-     ]
-    }
-   ],
-   "source": [
-    "for i in range(10):\n",
-    "    with open('sequence{:03}.txt'.format(i)) as f:\n",
-    "        sseq = f.read()\n",
-    "        seq = [int(s) for s in sseq.split(',')]\n",
-    "        s = longest_monotone(seq)\n",
-    "        print(i, s)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 116,
-   "metadata": {
-    "collapsed": false
-   },
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "0 29\n",
-      "1 34\n",
-      "2 25\n",
-      "3 30\n",
-      "4 29\n",
-      "5 27\n",
-      "6 27\n",
-      "7 28\n",
-      "8 23\n",
-      "9 26\n"
-     ]
-    }
-   ],
-   "source": [
-    "for i in range(10):\n",
-    "    with open('sequence{:03}.txt'.format(i)) as f:\n",
-    "        sseq = f.read()\n",
-    "        seq = [int(s) for s in sseq.split(',')]\n",
-    "        s = longest_monotone(seq, allow_same=True)\n",
-    "        print(i, s)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
-   "outputs": [],
-   "source": []
-  }
- ],
- "metadata": {
-  "kernelspec": {
-   "display_name": "Python 3",
-   "language": "python",
-   "name": "python3"
-  },
-  "language_info": {
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   },
-   "file_extension": ".py",
-   "mimetype": "text/x-python",
-   "name": "python",
-   "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.5.2+"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 0
-}