A. DZY Loves Hash time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY has a hash table with p buckets, numbered from 0 to p - 1. He wants to insert n numbers, in the order they are given, i…

A. DZY Loves Hash time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY has a hash table with p buckets, numbered from 0 to p - 1. He wants to insert n numbers, in the order they are given, i…

A - DZY Loves Hash DZY has a hash table with p buckets, numbered from 0 to p - 1. He wants to insert nnumbers, in the order they are given, into the hash table. For the i-th number xi, DZY will put it into the bucket numbered h(xi), where h(x) is the…

A. DZY Loves Hash time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY has a hash table with p buckets, numbered from 0 to p - 1. He wants to insert n numbers, in the order they are given, i…

DZY has a hash table with p buckets, numbered from 0 to p - 1. He wants to insert n numbers, in the order they are given, into the hash table. For the i-th number xi, DZY will put it into the bucket numbered h(xi), where h(x) is the hash function. In…

主要还是讲下hash判重的问题吧 这道题目用的是除法求余散列方式 前几天看了下算法导论 由于我们用的是线性再寻址的方式来解决冲突问题 所以hash表的大小(余数的范围)要包含我们要求的范围 对mod的选取最好是选取范围内较为接近的素数 . 余数的范围和被除数的范围有关! 这个我居然搞错了.. #include <iostream>using namespace std; const int dx[4]={ 1,-1, 0, 0};const int dy[4]={ 0, 0, 1,-1};co…

题目链接: 传送门 DZY Loves Chemistry time limit per test1 second     memory limit per test256 megabytes Description DZY loves Physics, and he enjoys calculating density. Almost everything has density, even a graph. We define the density of a non-directed gr…

题目链接: 传送门 DZY Loves Chemistry time limit per test:1 second     memory limit per test:256 megabytes Description DZY loves chemistry, and he enjoys mixing chemicals. DZY has n chemicals, and m pairs of them will react. He wants to pour these chemicals…

A. DZY Loves Physics time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY loves Physics, and he enjoys calculating density. Almost everything has density, even a graph. We define the density…

B. DZY Loves FFT time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY loves Fast Fourier Transformation, and he enjoys using it. Fast Fourier Transformation is an algorithm used to calculate…