1881. Long problem statement Time limit: 0.5 secondMemory limit: 64 MB While Fedya was writing the statement of the problem GOV Chronicles, he realized that there might be not enough paper to print the statements. He also discovered that his text edi…
Revision History Date Issue Description Author 15/May/2015 1.0 Finish most of the designed function. Only the Windows application is finished. litianpeng.yanwenxiongandyuxuehui 21/May/2015 V1.1 Finish all of the function on windows store and windowsp…
题目链接:https://vjudge.net/contest/239445#problem/E E - Problem Statement You are given nn strings str1,str2,…,strnstr1,str2,…,strn , each consisting of ( and ). The objective is to determine whether it is possible to permute the nn strings so that…
1837. Isenbaev's Number Time limit: 0.5 second Memory limit: 64 MB Vladislav Isenbaev is a two-time champion of Ural, vice champion of TopCoder Open 2009, and absolute champion of ACM ICPC 2009. In the time you will spend reading this problem stateme…
Z - Bus Routes Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Practice URAL 1137 Description Several bus routes were in the city of Fishburg. None of the routes shared the same section of road, though commo…
https://code.google.com/codejam/contest/544101/dashboard#s=p0 Problem In the exciting game of Join-K, red and blue pieces are dropped into an N-by-N table. The table stands up vertically so that pieces drop down to the bottom-most empty slots in…
https://code.google.com/codejam/contest/635101/dashboard#s=p0 Problem On Unix computers, data is stored in directories. There is one root directory, and this might have several directories contained inside of it, each with different names. These di…
1137. Bus Routes Time limit: 1.0 secondMemory limit: 64 MB Several bus routes were in the city of Fishburg. None of the routes shared the same section of road, though common stops and intersections were possible. Fishburg old residents stated that it…
A. Warrior and Archer time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output In the official contest this problem has a different statement, for which jury's solution was working incorrectly, and…
1880. Psych Up's Eigenvalues Time limit: 0.5 secondMemory limit: 64 MB At one of the contests at the Petrozavodsk Training Camp, players of the Psych Up team quickly found the simple problem and Fedya sat at the computer. The solution was ready in fi…
B. Clique Problem time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The clique problem is one of the most well-known NP-complete problems. Under some simplification it can be formulated as f…
Illegal spices 题目连接: http://acm.timus.ru/problem.aspx?space=1&num=1995 Description Jabba: Han, my boy, you disappoint me. Why haven't you paid me? And why did you fry poor Greedo? Han: Look, Jabba, next time you wanna talk to me, come see me yourself…
Problem A permutation of size N is a sequence of N numbers, each between 0 and N-1, where each number appears exactly once. They may appear in any order. There are many (N factorial, to be precise, but it doesn't matter in this problem) permutations…
Introduction Cookie Clicker is a Javascript game by Orteil, where players click on a picture of a giant cookie. Clicking on the giant cookie gives them cookies. They can spend those cookies to buy buildings. Those buildings help them get even more co…
Problem statement Given n items with size Ai and value Vi, and a backpack with size m. What's the maximum value can you put into the backpack? Solution 0/1 knapsack problem is a classical dynamic programming model. There is a knapsack with the capaci…
传送门 D. Clique Problem time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The clique problem is one of the most well-known NP-complete problems. Under some simplification it can be formulated…
条件变量相当于订阅-发布机制: 或者相当于同步的通知机制: 订阅和发布具有先后顺序:所以需要互斥量来维护顺序. 顺序不对,存在信号丢失问题. Problem statement[edit] For many applications, mutual exclusion is not enough. Threads attempting an operation may need to wait until some condition P holds true. A busy waiting l…
March 16, 2016 Problem statement:Given a 2D array (matrix) named M, print all items of M in a spiral order, clockwise.For example: M = 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 The clockwise spiral pr…
March 18, 2016 Problem statement: https://www.hackerrank.com/challenges/two-strings/submissions/code/18506948 Julia likes to try a new way to train herself to expand C#/ C++ / Java / JavaScript languages, by reading the solutions, followed up with so…
1 精确描述问题 第一章强调的重点在于”精确的描述问题“,这是程序开发的第一步 -- "Problem definition" 1.1 Precise problem statement 1) input: a file containing at most 107 positive intergers (each < 107); any interger occurs twice is an error; no other data is associated with t…
Validate if a given string is numeric. Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => false"2e10" => true Note: It is intended for the problem statement to be ambiguous. You…
D. Magic Numbers time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Consider the decimal presentation of an integer. Let's call a number d-magic if digit d appears in decimal presentation of…
A. Tennis Tournament time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A tennis tournament with n participants is running. The participants are playing by an olympic system, so the winners mo…
原文地址:http://hannesdorfmann.com/annotation-processing/annotationprocessing101 In this blog entry I would like to explain how to write an annotation processor. So here is my tutorial. First, I am going to explain to you what annotation processing is, w…
题目链接 https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=4920 problem description Two years ago, Putri bought an electric bike (e-bike). She likes e-bike a lot since it can assist her in cycl…
题目链接 https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=4923 problem description Last night, Kingdom of Light was attacked by Kingdom of Dark! The queen of Kingdom of Light, Queen Ar, was ca…
July 6, 2015 Problem statement: Word Search Given a 2D board and a word, find if the word exists in the grid. The word can be constructed from letters of sequentially adjacent cell, where "adjacent" cells are those horizontally or vertically nei…
