feat: ✨ Push notebook modification
This commit is contained in:
parent
bca121e272
commit
e403f9e88e
GPG Key ID:
84D3DF1528A84511
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="VcsDirectoryMappings">
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<mapping directory="$PROJECT_DIR$" vcs="Git" />
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</component>
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</project>
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171
graphs.ipynb
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graphs.ipynb
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}
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}
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},
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"source": [
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"source": [
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"import queue\n",
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"\n",
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"# -*- coding: utf-8 -*-\n",
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"# -*- coding: utf-8 -*-\n",
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"\"\"\"Graph module.\n",
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"\"\"\"Graph module.\n",
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"\n",
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"\n",
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"outputs": [],
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"outputs": [],
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"execution_count": 3
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"execution_count": 3
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},
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},
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{
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"metadata": {
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"ExecuteTime": {
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"end_time": "2024-12-02T18:44:40.042481Z",
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"start_time": "2024-12-02T18:44:40.039811Z"
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}
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},
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"cell_type": "code",
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"source": [
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"# -*- coding: utf-8 -*-\n",
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"\"\"\"Queue module.\"\"\"\n",
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"\n",
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"from collections import deque\n",
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"\n",
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"class Queue:\n",
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" \"\"\"Simple class for FIFO (first-in-first-out) container.\"\"\"\n",
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"\n",
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" def __init__(self):\n",
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" \"\"\"Init queue.\"\"\"\n",
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"\n",
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" self.elements = deque()\n",
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"\n",
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" def enqueue(self, elt):\n",
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" \"\"\"Add an element to the queue.\n",
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"\n",
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" Args:\n",
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" elt (Any): Element to enqueue.\n",
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"\n",
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" \"\"\"\n",
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"\n",
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" self.elements.append(elt)\n",
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"\n",
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" def dequeue(self):\n",
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" \"\"\"Remove and return next element from the queue.\n",
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"\n",
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" Returns:\n",
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" Any: Element from the queue.\n",
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"\n",
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" Raises:\n",
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" IndexError: If queue is empty.\n",
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"\n",
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" \"\"\"\n",
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"\n",
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" return self.elements.popleft()\n",
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"\n",
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" def isempty(self):\n",
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" \"\"\"Check whether queue is empty.\n",
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"\n",
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" Returns:\n",
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" bool: True if queue is empty, False otherwise.\n",
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"\n",
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" \"\"\"\n",
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"\n",
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" return len(self.elements) == 0\n"
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],
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"id": "663b49e4f6763d11",
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"outputs": [],
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"execution_count": 37
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},
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{
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{
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"metadata": {},
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"metadata": {},
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"cell_type": "markdown",
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"cell_type": "markdown",
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"id": "ebfdd54aefc25650"
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"id": "ebfdd54aefc25650"
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},
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},
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{
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{
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"metadata": {},
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"metadata": {
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"ExecuteTime": {
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"end_time": "2024-12-02T18:44:59.949967Z",
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"start_time": "2024-12-02T18:44:59.927772Z"
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}
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},
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"cell_type": "code",
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"cell_type": "code",
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"outputs": [],
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"source": [
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"execution_count": null,
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"def aux(G, M, src):\n",
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"source": "",
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" cur = Queue()\n",
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"id": "b8bf6413a1d63515"
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" cur.enqueue(src)\n",
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" M[src] = True\n",
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" while not cur.isempty():\n",
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" x = cur.dequeue()\n",
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" print(x, end= \"\")\n",
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" for adj in range(G.order):\n",
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" if G.adjlists[x][adj] and not M[adj]:\n",
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" cur.enqueue(adj)\n",
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" M[adj] = True\n",
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"\n",
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"def bfs(G):\n",
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" M = [False] * G.order\n",
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" for src in range(G.order):\n",
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" if not M[src]:\n",
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" aux(G, M, src)\n",
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" print()\n",
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"\n",
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"bfs(G)"
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],
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"id": "b8bf6413a1d63515",
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0"
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]
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},
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{
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"ename": "IndexError",
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"evalue": "list index out of range",
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"output_type": "error",
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"traceback": [
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"\u001B[0;31m---------------------------------------------------------------------------\u001B[0m",
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"\u001B[0;31mIndexError\u001B[0m Traceback (most recent call last)",
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"Cell \u001B[0;32mIn[40], line 20\u001B[0m\n\u001B[1;32m 17\u001B[0m aux(G, M, src)\n\u001B[1;32m 18\u001B[0m \u001B[38;5;28mprint\u001B[39m()\n\u001B[0;32m---> 20\u001B[0m \u001B[43mbfs\u001B[49m\u001B[43m(\u001B[49m\u001B[43mG\u001B[49m\u001B[43m)\u001B[49m\n",
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"Cell \u001B[0;32mIn[40], line 17\u001B[0m, in \u001B[0;36mbfs\u001B[0;34m(G)\u001B[0m\n\u001B[1;32m 15\u001B[0m \u001B[38;5;28;01mfor\u001B[39;00m src \u001B[38;5;129;01min\u001B[39;00m \u001B[38;5;28mrange\u001B[39m(G\u001B[38;5;241m.\u001B[39morder):\n\u001B[1;32m 16\u001B[0m \u001B[38;5;28;01mif\u001B[39;00m \u001B[38;5;129;01mnot\u001B[39;00m M[src]:\n\u001B[0;32m---> 17\u001B[0m \u001B[43maux\u001B[49m\u001B[43m(\u001B[49m\u001B[43mG\u001B[49m\u001B[43m,\u001B[49m\u001B[43m \u001B[49m\u001B[43mM\u001B[49m\u001B[43m,\u001B[49m\u001B[43m \u001B[49m\u001B[43msrc\u001B[49m\u001B[43m)\u001B[49m\n\u001B[1;32m 18\u001B[0m \u001B[38;5;28mprint\u001B[39m()\n",
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"Cell \u001B[0;32mIn[40], line 9\u001B[0m, in \u001B[0;36maux\u001B[0;34m(G, M, src)\u001B[0m\n\u001B[1;32m 7\u001B[0m \u001B[38;5;28mprint\u001B[39m(x, end\u001B[38;5;241m=\u001B[39m \u001B[38;5;124m\"\u001B[39m\u001B[38;5;124m\"\u001B[39m)\n\u001B[1;32m 8\u001B[0m \u001B[38;5;28;01mfor\u001B[39;00m adj \u001B[38;5;129;01min\u001B[39;00m \u001B[38;5;28mrange\u001B[39m(G\u001B[38;5;241m.\u001B[39morder):\n\u001B[0;32m----> 9\u001B[0m \u001B[38;5;28;01mif\u001B[39;00m \u001B[43mG\u001B[49m\u001B[38;5;241;43m.\u001B[39;49m\u001B[43madjlists\u001B[49m\u001B[43m[\u001B[49m\u001B[43mx\u001B[49m\u001B[43m]\u001B[49m\u001B[43m[\u001B[49m\u001B[43madj\u001B[49m\u001B[43m]\u001B[49m \u001B[38;5;129;01mand\u001B[39;00m \u001B[38;5;129;01mnot\u001B[39;00m M[adj]:\n\u001B[1;32m 10\u001B[0m cur\u001B[38;5;241m.\u001B[39menqueue(adj)\n\u001B[1;32m 11\u001B[0m M[adj] \u001B[38;5;241m=\u001B[39m \u001B[38;5;28;01mTrue\u001B[39;00m\n",
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"\u001B[0;31mIndexError\u001B[0m: list index out of range"
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]
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}
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],
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"execution_count": 40
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},
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},
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{
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{
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"metadata": {},
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"metadata": {},
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"cell_type": "markdown",
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"cell_type": "markdown",
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"source": "# Exercise 2.2 (DFS)",
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"source": "# Exercise 2.2 (DFS)",
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"id": "55b1247fe428aa0d"
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"id": "55b1247fe428aa0d"
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},
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{
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"metadata": {
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"ExecuteTime": {
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"end_time": "2024-12-02T18:41:49.173387Z",
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"start_time": "2024-12-02T18:41:49.149806Z"
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}
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},
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"cell_type": "code",
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"source": [
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"def aux(G, M, src):\n",
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" M[src] = True\n",
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" print(src)\n",
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" for i in range(G.order):\n",
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" if G.adjlists[src][i] and not M[i]:\n",
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" aux(G, M, i)\n",
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"\n",
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"\n",
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"def DFS(G):\n",
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" M = [False]*G.order\n",
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" for element in range(G.order):\n",
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" if not M[element]:\n",
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" aux(G, M, element)\n",
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" print()\n",
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"\n",
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"dfs(G)"
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],
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"id": "507b403020a6f941",
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0\n",
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"1\n"
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]
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},
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{
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"ename": "IndexError",
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"evalue": "list index out of range",
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"output_type": "error",
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"traceback": [
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"\u001B[0;31m---------------------------------------------------------------------------\u001B[0m",
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"\u001B[0;31mIndexError\u001B[0m Traceback (most recent call last)",
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"Cell \u001B[0;32mIn[36], line 16\u001B[0m\n\u001B[1;32m 13\u001B[0m aux(G, M, element)\n\u001B[1;32m 14\u001B[0m \u001B[38;5;28mprint\u001B[39m()\n\u001B[0;32m---> 16\u001B[0m \u001B[43mdfs\u001B[49m\u001B[43m(\u001B[49m\u001B[43mG\u001B[49m\u001B[43m)\u001B[49m\n",
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"Cell \u001B[0;32mIn[34], line 12\u001B[0m, in \u001B[0;36mdfs\u001B[0;34m(G)\u001B[0m\n\u001B[1;32m 10\u001B[0m \u001B[38;5;28;01mfor\u001B[39;00m src \u001B[38;5;129;01min\u001B[39;00m \u001B[38;5;28mrange\u001B[39m(G\u001B[38;5;241m.\u001B[39morder):\n\u001B[1;32m 11\u001B[0m \u001B[38;5;28;01mif\u001B[39;00m \u001B[38;5;129;01mnot\u001B[39;00m M[src]:\n\u001B[0;32m---> 12\u001B[0m \u001B[43maux\u001B[49m\u001B[43m(\u001B[49m\u001B[43mG\u001B[49m\u001B[43m,\u001B[49m\u001B[43m \u001B[49m\u001B[43mM\u001B[49m\u001B[43m,\u001B[49m\u001B[43m \u001B[49m\u001B[43msrc\u001B[49m\u001B[43m)\u001B[49m\n\u001B[1;32m 13\u001B[0m \u001B[38;5;28mprint\u001B[39m()\n",
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"Cell \u001B[0;32mIn[36], line 6\u001B[0m, in \u001B[0;36maux\u001B[0;34m(G, M, src)\u001B[0m\n\u001B[1;32m 4\u001B[0m \u001B[38;5;28;01mfor\u001B[39;00m i \u001B[38;5;129;01min\u001B[39;00m \u001B[38;5;28mrange\u001B[39m(G\u001B[38;5;241m.\u001B[39morder):\n\u001B[1;32m 5\u001B[0m \u001B[38;5;28;01mif\u001B[39;00m G\u001B[38;5;241m.\u001B[39madjlists[src][i] \u001B[38;5;129;01mand\u001B[39;00m \u001B[38;5;129;01mnot\u001B[39;00m M[i]:\n\u001B[0;32m----> 6\u001B[0m \u001B[43maux\u001B[49m\u001B[43m(\u001B[49m\u001B[43mG\u001B[49m\u001B[43m,\u001B[49m\u001B[43m \u001B[49m\u001B[43mM\u001B[49m\u001B[43m,\u001B[49m\u001B[43m \u001B[49m\u001B[43mi\u001B[49m\u001B[43m)\u001B[49m\n",
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"Cell \u001B[0;32mIn[36], line 5\u001B[0m, in \u001B[0;36maux\u001B[0;34m(G, M, src)\u001B[0m\n\u001B[1;32m 3\u001B[0m \u001B[38;5;28mprint\u001B[39m(src)\n\u001B[1;32m 4\u001B[0m \u001B[38;5;28;01mfor\u001B[39;00m i \u001B[38;5;129;01min\u001B[39;00m \u001B[38;5;28mrange\u001B[39m(G\u001B[38;5;241m.\u001B[39morder):\n\u001B[0;32m----> 5\u001B[0m \u001B[38;5;28;01mif\u001B[39;00m \u001B[43mG\u001B[49m\u001B[38;5;241;43m.\u001B[39;49m\u001B[43madjlists\u001B[49m\u001B[43m[\u001B[49m\u001B[43msrc\u001B[49m\u001B[43m]\u001B[49m\u001B[43m[\u001B[49m\u001B[43mi\u001B[49m\u001B[43m]\u001B[49m \u001B[38;5;129;01mand\u001B[39;00m \u001B[38;5;129;01mnot\u001B[39;00m M[i]:\n\u001B[1;32m 6\u001B[0m aux(G, M, i)\n",
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"\u001B[0;31mIndexError\u001B[0m: list index out of range"
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]
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}
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],
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"execution_count": 36
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}
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}
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],
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],
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"metadata": {
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"metadata": {
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