题目要求 The Fibonacci numbers, commonly denoted F(n) form a sequence, called the Fibonacci sequence, such that each number is the sum of the two preceding ones, starting from 0 and 1. That is, F(0) = 0,   F(1) = 1​ F(N) = F(N - 1) + F(N - 2), for N > 1.…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 动态规划 日期 题目地址:https://leetcode.com/problems/fibonacci-number/ 题目描述 The Fibonacci numbers, commonly denoted F(n) form a sequence, called the Fibonacci sequence, such that each nu…

[LeetCode]Largest Number 解题报告 标签(空格分隔): LeetCode 题目地址:https://leetcode.com/problems/largest-number/#/description 题目描述: Given a list of non negative integers, arrange them such that they form the largest number. For example, given [3, 30, 34, 5, 9], t…

题目要求 Given a non-empty array of integers, every element appears twice except for one. Find that single one. 题目分析及思路 给定一个非空整数数组,除了一个元素只出现一次外,其余元素均出现两次.可以先对数组排序,然后遍历数组,若数组只有一个元素或连续两个元素不相同时则得到返回值,否则则去除这两个元素. python代码 class Solution: def singleNumber(sel…

class Solution(object): def fib(self, N): """ :type N: int :rtype: int """ F=[0]*31 F[1]=1 for i in range(2,31): F[i]=F[i-1]+F[i-2] return F[N]…

[LeetCode]873. Length of Longest Fibonacci Subsequence 解题报告(Python) 标签(空格分隔): LeetCode 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/length-of-longest-fibonacci-subsequence/description/ 题目描述: A sequence X_…

[LeetCode]306. Additive Number 解题报告(Python) 标签(空格分隔): LeetCode 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.me/ 题目地址:https://leetcode.com/problems/additive-number/description/ 题目描述: Additive number is a string whose digits can form additive se…

package y2019.Algorithm.array; /** * @ProjectName: cutter-point * @Package: y2019.Algorithm.array * @ClassName: Fib * @Author: xiaof * @Description: 509. Fibonacci Number * The Fibonacci numbers, commonly denoted F(n) form a sequence, called the Fibo…

problem 509. Fibonacci Number solution1: 递归调用 class Solution { public: int fib(int N) { ) return N; ) + fib(N-); } }; solution2: 结果只与前两个数字有关. class Solution { public: int fib(int N) { ) return N; ; ; ; ; i<=N; i++)//err... { sum = a + b; a = b; b = s…

LeetCode 1 Two Sum 解题报告 偶然间听见leetcode这个平台,这里面题量也不是很多200多题,打算平时有空在研究生期间就刷完,跟跟多的练习算法的人进行交流思想,一定的ACM算法积累可以对以后在对算法中优化带来好处.Ok,今天是我做的第一题Add Two Sum. 题目要求 Given an array of integers, find two numbers such that they add up to a specific target number. The fu…