Description 求一个串中包含几个回文串. Input 输入一个字符串\(S\) Output 包含的回文串的个数. 看到题解里面有人人写回文自动机. 有必要那么麻烦嘛 emmm 我们直接跑\(Manacher\)就好了啊. 答案就是以每一位为中心的回文串长度/2的和. (如果添加字符则为回文半径长度/2.) 这个就不多解释了.很明显的一个东西. 不能理解的话,可以看下这个 # a # a # b # a # a # 1 2 3 2 1 6 1 2 3 2 1 数字对应于每一个位置的回文…

[SPOJ]NUMOFPAL - Number of Palindromes(Manacher,回文树) 题面 洛谷 求一个串中包含几个回文串 题解 Manacher傻逼题 只是用回文树写写而已.. #include<iostream> #include<cstdio> #include<cstdlib> #include<cstring> #include<cmath> #include<algorithm> #include<…

The Number of Palindromes Problem Description Now, you are given a string S. We want to know how many distinct substring of S which is palindrome. Input The first line of the input contains a single integer T(T<=20), which indicates number of test ca…

SP7586 NUMOFPAL - Number of Palindromes 题意翻译 求一个串中包含几个回文串 输入输出格式 输入格式: The string S. 输出格式: The value of function NumPal(s). 说明 $ 0 < |s| \le 1000$ 简单题,练个手. \(manacher\)求出每个位置回文串长度,把长度加在一起就可以了. Code: #include <cstdio> #include <cstring> cons…

[POJ2104][HDU2665]K-th Number Description You are working for Macrohard company in data structures department. After failing your previous task about key insertion you were asked to write a new data structure that would be able to return quickly k-th…

[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…

[LeetCode]792. Number of Matching Subsequences 解题报告(Python) 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/number-of-matching-subsequences/description/ 题目描述: Given string S and a dictionary of words words,…

[LeetCode]673. Number of Longest Increasing Subsequence 解题报告(Python) 标签(空格分隔): LeetCode 题目地址:https://leetcode.com/problems/number-of-longest-increasing-subsequence/description/ 题目描述: Given an unsorted array of integers, find the number of longest inc…

Single Number I : Given an array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a linear runtime complexity. Could you implement it without using extra memory? Solution: 解法不少,贴一种: class…

题目描述: 给定一个数组,里面除了一个数字,其他的都出现三次.求出这个数字 原文描述: Given an array of integers, every element appears three times except for one. Find that single one. Note: Your algorithm should have a linear runtime complexity. Could you implement it without using extra m…