题目链接:VFMUL - Very Fast Multiplication Description Multiply the given numbers. Input n [the number of multiplications <= 101] l1 l2 [numbers to multiply (at most 300000 decimal digits each)] Text grouped in [ ] does not appear in the input file. Outpu…
In data structure Hash, hash function is used to convert a string(or any other type) into an integer smaller than hash size and bigger or equal to zero. The objective of designing a hash function is to "hash" the key as unreasonable as possible.…
实验要求: Objective: To further understand the well-known algorithm Fast Fourier Transform (FFT) and verify its effectiveness to calculate the discrete Fourier transform (DFT). Main requirements: Ability of programming with C, C++, or Matlab. Instruction…
题目 Source http://www.spoj.com/problems/DQUERY/en/ Description Given a sequence of n numbers a1, a2, ..., an and a number of d-queries. A d-query is a pair (i, j) (1 ≤ i ≤ j ≤ n). For each d-query (i, j), you have to return the number of distinct elem…
SPOJ - GSS3 Can you answer these queries III Description You are given a sequence A of N (N <= 50000) integers between -10000 and 10000. On this sequence you have to apply M (M <= 50000) operations: modify the i-th element in the sequence or for giv…
A multiplication game Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6028 Accepted: 3013 Description Stan and Ollie play the game of multiplication by multiplying an integer p by one of the numbers 2 to 9. Stan always starts with p =…
Matrix Multiplication Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 18173 Accepted: 3912 Description You are given three n × n matrices A, B and C. Does the equation A × B = C hold true? Input The first l…
Matrix multiplication Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Problem Description Given two matrices A and B of size n×n, find the product of them. bobo hates big integers. So you are only asked to find t…
This article is from blog of Amazon CTO Werner Vogels. -------------------- Today is a very exciting day as we release Amazon DynamoDB, a fast, highly reliable and cost-effective NoSQL database service designed for internet scale applications. Dynamo…
We know that Web services use the TCP protocol at the transport layer. Standard TCP protocol to three-way handshake (three-way handshaking), the server can respond to the client's request to send data. If the three-way handshake phase, the client can…
How fast is Redis? Redis includes the redis-benchmark utility that simulates running commands done by N clients at the same time sending M total queries (it is similar to the Apache's ab utility). Below you'll find the full output of a benchmark exec…