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原题目： A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determ 阅读全文
posted @ 2017-05-14 23:09
MT.Queen
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Write a program to find the n-th ugly number. Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. For example, 1, 2, 3, 4, 5, 阅读全文
posted @ 2017-05-08 16:46
MT.Queen
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最近在做实验的时候，需要配置SVO，下面讲讲其中的过程以及遇到的问题： 首先说明配置环境：Ubuntu 14.04 + ROS indigo，ROS的安装我参考了ROS的官网上给出的教程：http://wiki.ros.org/indigo/Installation/Ubuntu 安装一气呵成，中途 阅读全文
posted @ 2017-05-04 16:39
MT.Queen
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Given an array of integers and an integer k, you need to find the total number of continuous subarrays whose sum equals to k. 示例: Note: 题解： 看着题目的注意事项就 阅读全文
posted @ 2017-04-30 15:11
MT.Queen
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题目： Given a positive integer n, break it into the sum of at least two positive integers and maximize the product of those integers. Return the maximum 阅读全文
posted @ 2017-04-21 10:58
MT.Queen
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本周继续练习动态规划的相关题目。 题目： In the computer world, use restricted resource you have to generate maximum benefit is what we always want to pursue. For now, su 阅读全文
posted @ 2017-04-16 21:45
MT.Queen
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本周课堂上学习的是动态规划，因此在LeetCode上找到相应的题进行练习。 题目： Given a string s, find the longest palindromic subsequence's length in s. You may assume that the maximum le 阅读全文
posted @ 2017-04-10 12:07
MT.Queen
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本周选择了贪心算法类的题型加以巩固，在LeetCode中难度系数为Hard。 题目： Suppose LeetCode will start its IPO soon. In order to sell a good price of its shares to Venture Capital, L 阅读全文
posted @ 2017-03-29 20:23
MT.Queen
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本周依旧是做与图论相关的题目，作为对图论知识的巩固。 题目：279. Perfect Squares Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 阅读全文
posted @ 2017-03-26 22:33
MT.Queen
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本周学习了DFS，因此在LeetCode中挑选了一道关于DFS的题目作为巩固。 题目：200. Number of Islands Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An 阅读全文
posted @ 2017-03-19 12:04
MT.Queen
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