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表达式按照指定格式输出

今日头条4.18在线笔试第三题

2017/04/19 09:40
40
判断一个正整数能否表示为两个质数之和

思路: 假设输入的是n,那么 1. 生成1到n之间的所有质数;(可知,是递增的序列) 2. 双向遍历数组(头尾同时开始),相等直接返回,否则:如果和大于n,那么right下标减一;和小于n,那么lef...

Leetcode——2. Add Two Numbers

问题:You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two nu...

2016/03/24 15:28
5
datatables1.1x与1.9x配置差别

详情请查看 http://datatables.club/upgrade/1.10-convert.html

2017/04/29 00:16
22
python实现黄金分割法

# -*- coding: utf-8 -*- #黄金分割法python实现 #f(x)=x^4 - 4x^3 - 6x^2 -16x +4极值 #区间[-1,6] e=0.05 import numpy as np import matplotlib.pyplot as plt rate = 0.618034 points...

2016/09/09 21:00
2.1K
Leetcode——singleNumber

import java.util.Enumeration; import java.util.Hashtable; public class Solution {     public int singleNumber(int[] nums) {         Hashtable<Integer, Int...

2016/03/24 15:31
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Leetcode——1. Two Sum

Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have exactly one solution. Example...

2016/03/24 15:29
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