HDU4126Genghis Khan the Conqueror(最小產生樹+並查集),並查集Genghis Khan the ConquerorTime Limit: 10000/5000 MS (Java/Others) Memory Limit: 327680/327680 K (Java/Others)Total Submission(s): 1687 Accepted
Palindrome Number,palindromenumber Determine whether an integer is a palindrome. Do this without extra space.沒明白這句話“Do this without extra space.”是什麼意思,A完以後看了別人的討論也都用到了局部變數。class Solution {public: bool isPalindrome(int x) { if (x < 0)
What is the Big O analysis of this algorithm?(Stackoverflow),Question:I'm working on a data structures course and I'm not sure how to proceed w/ this Big O analysis:sum = 0;for(i = 1; i < n; i++) for(j = 1; j < i*i; j++)
LeetCode Rotate Array,leetcoderotate Rotate Array Total Accepted: 12759 Total Submissions: 73112 My Submissions Question Solution Rotate an array of n elements to the right by k steps.For example, with n = 7 and k = 3, the array [1,2,3,4,5,6,
阿里電話面試-解決兩個衝突的事項,阿里面試 情形:甲和乙有些代辦事項,每一個事項都有一個開始時間,和一個截止時間。但是甲和乙的代辦事項可能會出現衝突,若在一個代碼事項中,存在其他代辦事項,則就認為是衝突。現要求合并甲和乙的代辦事項,不能夠有衝突。 解決: 由於我經常用java,所以就用java類比該問題。 定義代辦事項: public class Node{private int
vim note(5),vimnote.vimrc 的設定$HOME/.vimrc 的普通設定,如下。set nocompatible "" not compatible with VI"" Encodings and fontsset encoding=utf-8set fileencoding=utf-8set fileencodings=ucs-bom,gb18030,gbk,gb2312,cp936set
數組-條件求和(Code),數組條件求和codestatic void Main(string[] args){ // Generate data int arraySize; int[] data; Random rnd; arraySize = 32768; data = new int[arraySize]; rnd = new Random(0); for (int c = 0; c < arraySize; ++c)
Why is processing a sorted array faster than an unsorted array(Stackoverflow),stackoverflowWhat is Branch Prediction?Consider a railroad junction:Image by Mecanismo, via Wikimedia Commons. Used under the CC-By-SA 3.0 license.Now for the sake of