摘要：
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
摘要：
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
摘要：
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
摘要：
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
摘要：
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
摘要：
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
摘要：
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
摘要：
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
摘要：
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
摘要：
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