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| 1 | +{ |
| 2 | + "cells": [ |
| 3 | + { |
| 4 | + "cell_type": "markdown", |
| 5 | + "metadata": {}, |
| 6 | + "source": [ |
| 7 | + "#### 题目描述\n", |
| 8 | + "给定两个数组，编写一个函数来计算它们的交集。\n", |
| 9 | + "\n", |
| 10 | + "示例 1:\n", |
| 11 | + "\n", |
| 12 | + "- 输入: nums1 = [1,2,2,1], nums2 = [2,2]\n", |
| 13 | + "- 输出: [2]\n", |
| 14 | + "\n", |
| 15 | + "示例 2:\n", |
| 16 | + "\n", |
| 17 | + "- 输入: nums1 = [4,9,5], nums2 = [9,4,9,8,4]\n", |
| 18 | + "- 输出: [9,4]\n", |
| 19 | + "\n", |
| 20 | + "说明:\n", |
| 21 | + "\n", |
| 22 | + "- 输出结果中的每个元素一定是唯一的。\n", |
| 23 | + "- 我们可以不考虑输出结果的顺序。\n", |
| 24 | + "\n", |
| 25 | + "#### 思路\n", |
| 26 | + "集合运算\n", |
| 27 | + "- ’&‘ 交集\n", |
| 28 | + "- ’|‘ 并集\n", |
| 29 | + "- ‘-’ 差集" |
| 30 | + ] |
| 31 | + }, |
| 32 | + { |
| 33 | + "cell_type": "code", |
| 34 | + "execution_count": 1, |
| 35 | + "metadata": { |
| 36 | + "ExecuteTime": { |
| 37 | + "end_time": "2019-07-03T16:13:47.514368Z", |
| 38 | + "start_time": "2019-07-03T16:13:47.510285Z" |
| 39 | + } |
| 40 | + }, |
| 41 | + "outputs": [], |
| 42 | + "source": [ |
| 43 | + "class Solution(object):\n", |
| 44 | + " def intersection(self, nums1, nums2):\n", |
| 45 | + " \"\"\"\n", |
| 46 | + " :type nums1: List[int]\n", |
| 47 | + " :type nums2: List[int]\n", |
| 48 | + " :rtype: List[int]\n", |
| 49 | + " \"\"\"\n", |
| 50 | + " return list(set(nums1) & set(nums2))" |
| 51 | + ] |
| 52 | + }, |
| 53 | + { |
| 54 | + "cell_type": "code", |
| 55 | + "execution_count": null, |
| 56 | + "metadata": {}, |
| 57 | + "outputs": [], |
| 58 | + "source": [] |
| 59 | + } |
| 60 | + ], |
| 61 | + "metadata": { |
| 62 | + "kernelspec": { |
| 63 | + "display_name": "python pratice", |
| 64 | + "language": "python", |
| 65 | + "name": "env_name" |
| 66 | + }, |
| 67 | + "language_info": { |
| 68 | + "codemirror_mode": { |
| 69 | + "name": "ipython", |
| 70 | + "version": 3 |
| 71 | + }, |
| 72 | + "file_extension": ".py", |
| 73 | + "mimetype": "text/x-python", |
| 74 | + "name": "python", |
| 75 | + "nbconvert_exporter": "python", |
| 76 | + "pygments_lexer": "ipython3", |
| 77 | + "version": "3.7.1" |
| 78 | + }, |
| 79 | + "toc": { |
| 80 | + "base_numbering": 1, |
| 81 | + "nav_menu": {}, |
| 82 | + "number_sections": true, |
| 83 | + "sideBar": true, |
| 84 | + "skip_h1_title": false, |
| 85 | + "title_cell": "Table of Contents", |
| 86 | + "title_sidebar": "Contents", |
| 87 | + "toc_cell": false, |
| 88 | + "toc_position": {}, |
| 89 | + "toc_section_display": true, |
| 90 | + "toc_window_display": false |
| 91 | + } |
| 92 | + }, |
| 93 | + "nbformat": 4, |
| 94 | + "nbformat_minor": 2 |
| 95 | +} |
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