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[Golong]学习笔记(一) 基础知识
Go编程基础 Go的内置关键字(25个) 不多 break default func interface select case defer go map struct chan else goto package switch const fallthrough if range type continute for import return var Go的注释方...
分类:其他好文   时间:2014-08-06 01:56:50    阅读次数:313
Leetcode--Roman to Integer
Problem Description: Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 分析:题目的意思是将罗马数字转化成整数,首先是在网上找到关于罗马数字表示法的规则如下:  1、计数方法:① 罗马数字就...
分类:其他好文   时间:2014-08-05 22:45:10    阅读次数:283
HDU - 4911 Inversion
Problem Description bobo has a sequence a1,a2,…,an. He is allowed to swap two adjacent numbers for no more than k times. Find the minimum number of inversions after his swaps. Note: The number...
分类:其他好文   时间:2014-08-05 22:44:03    阅读次数:248
Leetcode--Next Permutation
Problem Description: Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such arrangement is not possible, it must rea...
分类:其他好文   时间:2014-08-05 22:40:40    阅读次数:241
Elevator
/*Elevator The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the elevator will stop, in specified order. It...
分类:其他好文   时间:2014-08-05 19:23:40    阅读次数:209
程序猿的自我修养清单
Data Structures    1. Integer       – find number of 1s       – next largest smaller       – smallest larger number       – determine if is palindrom       – itoa, atoi       – add 2 numbers w/...
分类:其他好文   时间:2014-08-05 15:50:40    阅读次数:408
Python学习第二天数组
1:Python定义数组:a=[0,1,2,3,4] ; 打印数组list(a); 这时:a[0]=0, a[1]=1, a[[2]=2......1.1:如果想定义一个很长的数组可以用到python函数range a=range(1000)生成1000个元素的一维数组, list(a) 打印数组显...
分类:编程语言   时间:2014-08-05 15:39:29    阅读次数:251
CodeForces 55D Beautiful numbers 数位DP+数学
题意大概是,判断一个正整数区间内有多少个整数能被它自身的每一个非零的数字整除。因为每一个位置上的整数集s = {0,1,2,3,4,5,6,7,8,9} lcm(s) = 2520现在有一个整数t是由s中一个或者多个数字构成的,记为abcde,显然t = a*10^4+b*10^3+c*10^2+d...
分类:其他好文   时间:2014-08-05 13:28:39    阅读次数:233
Roman to Integer
Given a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to 3999. 1 public class Solution { 2 public int ...
分类:其他好文   时间:2014-08-05 11:02:09    阅读次数:242
poj 1724:ROADS(DFS + 剪枝)
ROADSTime Limit:1000MSMemory Limit:65536KTotal Submissions:10777Accepted:3961DescriptionN cities named with numbers 1 ... N are connected with one-way...
分类:其他好文   时间:2014-08-05 10:55:59    阅读次数:977
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