1078 Hashing (25 分)   The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the input numbers. The hash function is defined to be ( where TSize is the maximum size of the ha…

1078. Hashing (25) 时间限制 100 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the input numbers. The hash func…

题意: 输入两个正整数M和N(M<=10000,N<=M)表示哈希表的最大长度和插入的元素个数.如果M不是一个素数,把它变成大于M的最小素数,接着输入N个元素,输出它们在哈希表中的位置(从0开始),如有冲突采取二次探测法处理冲突. trick: 测试点1包含M为1的数据,1不是素数... AAAAAccepted code: #include<bits/stdc++.h> using namespace std; ]; ]; ]; int main(){ ios::sync_wit…

1070 Mooncake (25 分)   Mooncake is a Chinese bakery product traditionally eaten during the Mid-Autumn Festival. Many types of fillings and crusts can be found in traditional mooncakes according to the region's culture. Now given the inventory amounts…

1032 Sharing (25 分)   To store English words, one method is to use linked lists and store a word letter by letter. To save some space, we may let the words share the same sublist if they share the same suffix. For example, loading and being are store…

1029 Median (25 分)   Given an increasing sequence S of N integers, the median is the number at the middle position. For example, the median of S1 = { 11, 12, 13, 14 } is 12, and the median of S2 = { 9, 10, 15, 16, 17 } is 15. The median of two sequen…

题目:https://pintia.cn/problem-sets/994805342720868352/problems/994805389634158592 题意: 给定哈希表的大小和n个数,使用平方探测法解决冲突,为每个数在哈希表中的位置. 如果给定的哈希表的大小不是质数,将其改为最小的比他大的质数. 思路: 比较基础的题目.有两个要注意的点! 1.初始化notprime数组时,需要注意1,也不是质数.特殊处理notprime[1] = true 2.注意考虑prob的边界,应该是哈希表的…

题目 The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the input numbers. The hash function is defined to be "H(key) = key % TSize" where TSize is the maximum size of…

https://pintia.cn/problem-sets/994805342720868352/problems/994805389634158592 The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the input numbers. The hash function is d…

The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the input numbers. The hash function is defined to be ( where TSize is the maximum size of the hash table. Quadratic pr…

题目信息 1078. Hashing (25) 时间限制100 ms 内存限制65536 kB 代码长度限制16000 B The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the input numbers. The hash function is defined to be "H(…

PAT排名汇总(25 分) 计算机程序设计能力考试(Programming Ability Test,简称PAT)旨在通过统一组织的在线考试及自动评测方法客观地评判考生的算法设计与程序设计实现能力,科学的评价计算机程序设计人才,为企业选拔人才提供参考标准(网址http://www.patest.cn). 每次考试会在若干个不同的考点同时举行,每个考点用局域网,产生本考点的成绩.考试结束后,各个考点的成绩将即刻汇总成一张总的排名表. 现在就请你写一个程序自动归并各个考点的成绩并生成总排名表. 输入…

题目地址 https://pta.patest.cn/pta/test/16/exam/4/question/679 5-17 Hashing   (25分) The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the input numbers. The hash function is…

本题考点: 整型哈希表的线性探测法 给定一系列整型关键字和素数P,用除留余数法定义的散列函数将关键字映射到长度为P的散列表中.用线性探测法解决冲突. 输入格式: 输入第一行首先给出两个正整数N(≤1000)和P(≥N的最小素数),分别为待插入的关键字总数.以及散列表的长度.第二行给出N个整型关键字.数字间以空格分隔. 输出格式: 在一行内输出每个整型关键字在散列表中的位置.数字间以空格分隔,但行末尾不得有多余空格. 输入样例: 4 5 24 15 61 88 输出样例: 4 0 1 3 这道题考…

1145 Hashing - Average Search Time (25 分)   The task of this problem is simple: insert a sequence of distinct positive integers into a hash table first. Then try to find another sequence of integer keys from the table and output the average search ti…

pat 1145: 参考链接 Quadratic probing (with positive increments only) is used to solve the collisions.:平方探测法解决冲突 哈希表:H(key)求余数.二次平方探测法解决冲突.求平均查找长度AVL = 所有次数和/n 需要注意点:处理冲突统计查找次数时,如果查找到哈希表最后一个也失败了,那么次数要+1. #include<bits/stdc++.h> using namespace std; /* 哈希…

1010 Radix (25)(25 分) Given a pair of positive integers, for example, 6 and 110, can this equation 6 = 110 be true? The answer is "yes", if 6 is a decimal number and 110 is a binary number. Now for any pair of positive integers N1 and N2, your t…

7-3 Summit (25分)   A summit (峰会) is a meeting of heads of state or government. Arranging the rest areas for the summit is not a simple job. The ideal arrangement of one area is to invite those heads so that everyone is a direct friend of everyone. No…

返回 1051 Pop Sequence (25 分)   Given a stack which can keep M numbers at most. Push N numbers in the order of 1, 2, 3, ..., N and pop randomly. You are supposed to tell if a given sequence of numbers is a possible pop sequence of the stack. For exampl…

https://pintia.cn/problem-sets/994805342720868352/problems/994805343236767744 The task of this problem is simple: insert a sequence of distinct positive integers into a hash table first. Then try to find another sequence of integer keys from the tabl…

The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the input numbers. The hash function is defined to be ( where TSize is the maximum size of the hash table. Quadratic pr…

unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type TForm1 = class(TForm) Button1: TButton; Button2: TButton; procedure FormCreate(Sender: TObject); procedure FormDestroy(Sende…

As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…

二次方探测解决冲突一开始理解错了,难怪一直WA.先寻找key%TSize的index处,如果冲突,那么依此寻找(key+j*j)%TSize的位置,j=1~TSize-1如果都没有空位,则输出'-' #include <iostream> #include <cstdio> #include <algorithm> #include <string.h> #include <cmath> using namespace std; ; //之前设置…

二次探测法.表示第一次听说这东西... #include<cstdio> #include<cstring> #include<cmath> #include<vector> #include<map> #include<stack> #include<queue> #include<string> #include<algorithm> using namespace std; ; bool fl…

题目 The task of this problem is simple: insert a sequence of distinct positive integers into a hash table first.Then try to find another sequence of integer keys from the table and output the average search time (the number of comparisons made to find…

每次 PAT 考试结束后,考试中心都会发布一个考生单位排行榜.本题就请你实现这个功能. 输入格式: 输入第一行给出一个正整数 N(≤),即考生人数.随后 N 行,每行按下列格式给出一个考生的信息: 准考证号 得分 学校 其中准考证号是由 6 个字符组成的字符串,其首字母表示考试的级别:B代表乙级,A代表甲级,T代表顶级:得分是 [0, 100] 区间内的整数:学校是由不超过 6 个英文字母组成的单位码(大小写无关).注意:题目保证每个考生的准考证号是不同的. 输出格式: 首先在一行中输出单位个数…

1147 Heaps (30 分)   In computer science, a heap is a specialized tree-based data structure that satisfies the heap property: if P is a parent node of C, then the key (the value) of P is either greater than or equal to (in a max heap) or less than or…

1035 Password (20 分)   To prepare for PAT, the judge sometimes has to generate random passwords for the users. The problem is that there are always some confusing passwords since it is hard to distinguish 1 (one) from l (L in lowercase), or 0 (zero)…

有了一张自驾旅游路线图,你会知道城市间的高速公路长度.以及该公路要收取的过路费.现在需要你写一个程序,帮助前来咨询的游客找一条出发地和目的地之间的最短路径.如果有若干条路径都是最短的,那么需要输出最便宜的一条路径. 输入格式: 输入说明:输入数据的第1行给出4个正整数NN.MM.SS.DD,其中NN(2\le N\le 5002≤N≤500)是城市的个数,顺便假设城市的编号为0~(N-1N−1):MM是高速公路的条数:SS是出发地的城市编号:DD是目的地的城市编号.随后的MM行中,每行给出一条高…