第一发又超时了... 题目大意:给你n个点,然后给你n-1的数,表示两两距离,然后让你输出n个答案,第i个答案表示从这n个点里面挑i个点,然后这i个点两两之间会有一个距离,答案要求这些距离和的最大值. 第一次思路:n个点,给你距离,我们可以得到在坐标轴上表示n个点的坐标,然后我们可以先设每个点坐标为xi 可以发现:当n>=2的时候 n=2,i=2 距离为x2-x1 n=3,i=2距离为x3-x1 i=3距离为 x2-x1+x3-x1+x3-x2=2*x3-2*x1 n=5,i=2距离为x5-x1…

// 2019.10.7 练习赛 // 赛题来源:2018 ICPC 焦作区域赛 // CF链接:http://codeforces.com/gym/102028 A Xu Xiake in Henan Province 题目大意 有四个旅游地,给出 n 个人去四个地方的旅游次数,根据他去过旅游地个数输出相应等级. 思路 签到题...(队友在干嘛呀,10min过去了600人交题了啊我们怎么还没AC AC代码 #include<iostream> #include<cstdio> u…

The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Now your job is to find the total Hamming distance between all pairs of the given numbers. Example: Input: 4, 14, 2 Output: 6 Explanat…

The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 231. Example: Input: x = 1, y = 4 Output: 2 Explanation: 1…

Given a non-empty string str and an integer k, rearrange the string such that the same characters are at least distance k from each other. All input strings are given in lowercase letters. If it is not possible to rearrange the string, return an empt…

You want to build a house on an empty land which reaches all buildings in the shortest amount of distance. You can only move up, down, left and right. You are given a 2D grid of values 0, 1 or 2, where: Each 0 marks an empty land which you can pass b…

This is a follow up of Shortest Word Distance. The only difference is now word1 could be the same as word2. Given a list of words and two words word1 and word2, return the shortest distance between these two words in the list. word1 and word2 may be…

This is a follow up of Shortest Word Distance. The only difference is now you are given the list of words and your method will be called repeatedly many times with different parameters. How would you optimize it? Design a class which receives a list…

Given a list of words and two words word1 and word2, return the shortest distance between these two words in the list. For example,Assume that words = ["practice", "makes", "perfect", "coding", "makes"]. G…

Given two strings S and T, determine if they are both one edit distance apart. 这道题是之前那道Edit Distance的拓展,然而这道题并没有那道题难,这道题只让我们判断两个字符串的编辑距离是否为1,那么我们只需分下列三种情况来考虑就行了: 1. 两个字符串的长度之差大于1,那么直接返回False 2. 两个字符串的长度之差等于1,那么长的那个字符串去掉一个字符,剩下的应该和短的字符串相同 3. 两个字符串的长度之…