原创 Leetcode 134（Gas Station）

Question There are N gas stations along a circular route, where the amount of gas at station i is gas[i] . You hav

2020-06-15 08:41:38

原创 Leetcode 343(Integer Break非動態規劃求解)

問題 Given a positive integer n, break it into the sum of at least two positive integers and maximize the product of

2020-06-15 08:41:28

原创 LeetCode 119(Pascal's Triangle II)

Question Given an index k, return the kth row of the Pascal’s triangle. For example, given k=3 , Note: Could you optim

2018-08-31 00:09:25

原创 Leetcode201(Bitwise AND of Numbers Range)

Question Given a range [m,n] where 0<=m<=n<=2147483647 , return the bitwise AND of all numbers in this range, inclusiv

2018-08-31 00:08:53

原创 300. Longest Increasing Subsequence

Given an unsorted array of integers, find the length of longest increasing subsequence. For example, Given [10, 9, 2,

2018-08-31 00:08:34

原创 Leetcode 137: (Single Number II)

Given an array of integers, every element appears three times except for one. Find that single one. Note: Your alg

2018-08-31 00:08:33

原创 Leetcode135(Candy)

Question There are N children standing in a line. Each child is assigned a rating value. You are giving candies to thes

2018-08-31 00:08:32

原创 Leetcode 264(Ugly Number II)

Question Write a program to find the nth ugly number. Ugly numbers are positive numbers whose prime factors only inclu

2018-08-31 00:08:30

原创 Leetcode 142: Linked List Cycle II & Leetcode 287: Find the Duplicate Number

Leetcode 142: Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Note

2018-08-31 00:08:30

原创 Leetcode 64(Minimum Path Sum)

Question: Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimize

2018-08-31 00:08:30

原创 LeetCode 190(Reverse Bits)

Question Reverse bits of a given 32 bits unsigned integer. For example, given input 43261596 (represented in binary as

2018-08-31 00:08:30

原创 關於robocode一些小感悟

     第一次認識robocode是在java課的課程設計上。第一次接觸它，就深深的被他吸引住了，並由此開始了robocode的學習歷程。      作爲一個普通學生，對robocode的理解當然不能同研究robocode的衆多專業人士

2018-08-31 00:08:26

原创 LeetCode75（Sort Color）

問題 Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent,

2018-08-31 00:08:25

原创 Dijkstra 算法示例

以上圖作爲示例，選取u爲源點，然後計算u到其他頂點的最短距離。 先假設dist[i]爲u到i的最短路徑的長度。\ cost[x,y]表示x到y的權值。 ①找出與u相鄰的頂點中距離最短的一條，得：dist[X]=1; ②和u或者x的最短路

2018-08-31 00:08:25