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2020年5月16日
1102 Invert a Binary Tree (25分)
摘要： The following is from Max Howell @twitter: Google: 90% of our engineers use the software you wrote (Homebrew), but you can't invert a binary tree on a 阅读全文
posted @ 2020-05-16 14:54 SteveYu 阅读(141) 评论(0) 推荐(0)
1103 Integer Factorization (30分)
摘要： The K−P factorization of a positive integer N is to write N as the sum of the P-th power of K positive integers. You are supposed to write a program t 阅读全文
posted @ 2020-05-16 14:52 SteveYu 阅读(196) 评论(0) 推荐(0)
2020年5月13日
cv预测脚本
摘要： opencv安装，之后可以装载自己的模型进行视频预测 pip install opencv-python cv预测转视频脚本 # from keras.layers import Input from frcnn import FRCNN from PIL import Image import n 阅读全文
posted @ 2020-05-13 16:07 SteveYu 阅读(236) 评论(0) 推荐(0)
2020年5月12日
linux重启网卡
摘要： linux配置新的IP在/etc/sysconfig/network-scripts/ifcfg-eth0 此后需要删除/etc/udev/rules.d/70-persistent-rule文件 再service network restart即可 阅读全文
posted @ 2020-05-12 19:09 SteveYu 阅读(540) 评论(0) 推荐(0)
1104 Sum of Number Segments (20分)
摘要： Given a sequence of positive numbers, a segment is defined to be a consecutive subsequence. For example, given the sequence { 0.1, 0.2, 0.3, 0.4 }, we 阅读全文
posted @ 2020-05-12 14:25 SteveYu 阅读(166) 评论(0) 推荐(0)
1105 Spiral Matrix (25分)
摘要： This time your job is to fill a sequence of N positive integers into a spiral matrix in non-increasing order. A spiral matrix is filled in from the fi 阅读全文
posted @ 2020-05-12 14:23 SteveYu 阅读(129) 评论(0) 推荐(0)
1106 Lowest Price in Supply Chain (25分)
摘要： A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）-- everyone involved in moving a product from supplier to customer 阅读全文
posted @ 2020-05-12 13:43 SteveYu 阅读(229) 评论(0) 推荐(0)
1107 Social Clusters (30分)
摘要： When register on a social network, you are always asked to specify your hobbies in order to find some potential friends with the same hobbies. A socia 阅读全文
posted @ 2020-05-12 13:20 SteveYu 阅读(251) 评论(0) 推荐(0)
2020年5月11日
1108 Finding Average (20分)
摘要： The basic task is simple: given N real numbers, you are supposed to calculate their average. But what makes it complicated is that some of the input n 阅读全文
posted @ 2020-05-11 15:39 SteveYu 阅读(276) 评论(1) 推荐(0)
1109 Group Photo (25分)
摘要： Formation is very important when taking a group photo. Given the rules of forming K rows with N people as the following: The number of people in each 阅读全文
posted @ 2020-05-11 14:26 SteveYu 阅读(174) 评论(0) 推荐(0)
1110 Complete Binary Tree (25分)
摘要： Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case, th 阅读全文
posted @ 2020-05-11 13:26 SteveYu 阅读(158) 评论(0) 推荐(0)
1111 Online Map (30分)
摘要： Input our current position and a destination, an online map can recommend several paths. Now your job is to recommend two paths to your user: one is t 阅读全文
posted @ 2020-05-11 12:58 SteveYu 阅读(182) 评论(0) 推荐(0)
2020年5月10日
神经网络(一)
摘要： 神经网络(一) 1.机器基本介绍 机器学习简介 是什么？ 无序数据转化为价值的方法 价值？ 数据中抽取规律，进行预测未来 机器学习应用 分类问题？ 图像识别、垃圾邮件 回归问题？ 股价预测、房价预测 排序问题？ 点击率预估、推荐 生成问题？ 图像生成、图像风格转换、图像文字描述生成 2.深度学习简介 阅读全文
posted @ 2020-05-10 01:15 SteveYu 阅读(225) 评论(0) 推荐(0)
2020年5月9日
1112 Stucked Keyboard (20分)
摘要： On a broken keyboard, some of the keys are always stucked. So when you type some sentences, the characters corresponding to those keys will appear rep 阅读全文
posted @ 2020-05-09 19:59 SteveYu 阅读(221) 评论(0) 推荐(0)
1113 Integer Set Partition (25分)
摘要： Given a set of N (>) positive integers, you are supposed to partition them into two disjoint sets A​1​​ and A​2​​ of n​1​​ and n​2​​ numbers, respecti 阅读全文
posted @ 2020-05-09 15:51 SteveYu 阅读(198) 评论(0) 推荐(0)
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