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js版飞机大战

<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>飞机大战</title> <style> div { margin: 0 auto; text-align: center; } </...

2020-04-24 18:38:32

HPU-17-python8个实验

1.日期转化(11月为例)#2019.11;import mathwhile True : weekstr = "星期一星期二星期三星期四星期五星期六星期日" date = eval(input("请输入日期数字(1-30)")) pos = (date - 1 + 4) % 7#第11月的1号是周五 pos = pos * 3 cnt = mat...

2019-12-05 22:39:56

Codeforces Round #570 (Div. 3)B. Equalize Prices

原题出处:http://codeforces.com/contest/1183/problem/BThere arennproducts in the shop. The price of theii-th product isaiai. The owner of the shop wants to equalize the prices of all products. Howev...

2019-07-31 15:07:54

Codeforces Round #570 (Div. 3)C. Computer Game

原题地址:http://codeforces.com/contest/1183/problem/CVova is playing a computer game. There are in totalnnturns in the game and Vova really wants to play all of them. The initial charge of his laptop ...

2019-07-31 15:05:50

Codeforces Round #570 (Div. 3)D. Candy Box (easy version)

原题出处:http://codeforces.com/contest/1183/problem/DThis problem is actually a subproblem of problem G from the same contest.There arenncandies in a candy box. The type of theii-th candy isaiai(...

2019-07-31 09:32:35

Codeforces Round #570 (Div. 3)E. Subsequences (easy version)

原题出处:http://codeforces.com/contest/1183/problem/EThe only difference between the easy and the hard versions is constraints.A subsequence is a string that can be derived from another string by dele...

2019-07-31 09:28:18

Codeforces Round #570 (Div. 3)F. Topforces Strikes Back

原题出处:http://codeforces.com/contest/1183/problem/FOne important contest will take place on the most famous programming platform (Topforces) very soon!The authors have a pool ofnnproblems and shou...

2019-07-31 09:11:53

Codeforces Round #570 (Div. 3)G. Candy Box (hard version)

原题出处:http://codeforces.com/contest/1183/problem/GThis problem is a version of problem D from the same contest with some additional constraints and tasks.There arenncandies in a candy box. The ty...

2019-07-30 20:25:36

Codeforces Round #570 (Div. 3)H. Subsequences (hard version)

原题出处:http://codeforces.com/contest/1183/problem/HThe only difference between the easy and the hard versions is constraints.A subsequence is a string that can be derived from another string by dele...

2019-07-30 18:10:43

算符优先分析法设计与实现——程序设计与编译原理

1.定义目标语言的语法规则; 例如:E->E+T|T T->T*F|F F->(E)|i2.求解预测分析方法需要的符号集和分析表; 终结符集合为:{+,*,(,i,)} 非终结符集为:{E,T,F} 算符优先分析表为 + * i ( ) ...

2019-06-17 11:09:50

Codeforces Round #544 (Div. 3)E. K Balanced Teams

time limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are a coach at your local university. There arennstudents under your supervi...

2019-04-27 22:47:50

Codeforces Round #547 (Div. 3)B. Maximal Continuous Rest

time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputEach day in Berland consists ofnnhours. Polycarp likes time management. That's w...

2019-04-17 23:04:40

Codeforces Round #547 (Div. 3)C. Polycarp Restores Permutation

time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAn array of integersp1,p2,…,pnp1,p2,…,pnis called apermutationif it contains e...

2019-04-17 22:58:54

Codeforces Round #547 (Div. 3)D. Colored Boots

time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere arennleft boots andnnright boots. Each boot has a color which is denoted...

2019-04-17 22:46:04

Codeforces Round #547 (Div. 3)E. Superhero Battle

time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA superhero fights with a monster. The battle consists of rounds, each of which la...

2019-04-17 22:30:27

Codeforces Round #547 (Div. 3)F1. Same Sum Blocks (Easy)

time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThis problem is given in two editions, which differ exclusively in the constraints...

2019-04-17 22:23:02

Codeforces Round #552 (Div. 3) B. Make Them Equal

time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a sequencea1,a2,…,ana1,a2,…,anconsisting ofnnintegers.You can ...

2019-04-17 22:11:40

Codeforces Round #552 (Div. 3) C题

time limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputPolycarp has a cat and his cat is a real gourmet! Dependent on a day of the week he...

2019-04-17 19:18:16

E. Median String

time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given two stringsssandtt, both consisting of exactlykklowercase Latin...

2019-04-11 22:12:13

Tickets

You have won a collection of tickets on luxury cruisers. Each ticket can be used only once, but can be used in either direction between the 2 different cities printed on the ticket. Your prize gives y...

2019-04-08 20:35:06

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