B. Preparing Olympiad You have n problems. You have estimated the difficulty of the i-th one as integer ci. Now you want to prepare a problemset for a contest, using some of the problems you've made. A problemset for the contest must consist of at le…
B. Preparing Olympiad Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/550/problem/B Description You have n problems. You have estimated the difficulty of the i-th one as integer ci. Now you want to prepare a problemset for…
Preparing Olympiad time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You have n problems. You have estimated the difficulty of the i-th one as integer ci. Now you want to prepare a problemse…
Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Description You have n problems. You have estimated the difficulty of the i-th one as integer ci. Now you want to prepare a problemset for a contest, using some of the prob…
[题目链接]:click here~~ [题目大意] 一组题目的数目(n<=15),每一个题目有对应的难度,问你选择一定的题目(大于r个且小于l个)且选择后的题目里最小难度与最大难度差不小于x,求选择方案数. [解题思路]: DFS+回溯. 先发一发比較拙的代码: #include <bits/stdc++.h> using namespace std; const int N=1e5+10; int num[N],mum[N]; int n,m,q,t,l,r; int top,ans…
A. Two Substrings You are given string s. Your task is to determine if the given string s contains two non-overlapping substrings "AB" and "BA" (the substrings can go in any order). Input The only line of input contains a string s of l…
A. Two Substrings 题意:给一个字符串,求是否含有不重叠的子串"AB"和"BA",长度1e5. 题解:看起来很简单,但是一直错,各种考虑不周全,最后只能很蠢的暴力,把所有的AB和BA的位置求出来,能有一对AB和BA不重叠即可. #include <bits/stdc++.h> using namespace std; ]; vector<int> ab; vector<int> ba; int main() { w…
A. Two Substrings time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given string s. Your task is to determine if the given string s contains two non-overlapping substrings "AB"…
题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5327 Olympiad Description You are one of the competitors of the Olympiad in numbers. The problem of this year relates to beatiful numbers. One integer is called beautiful if and only if all of its digita…
http://blog.ionic.io/preparing-for-ios-9/ Preparing for iOS 9 Tweet By Max on September 12, 2015 iOS 9 is releasing next week, and with it comes some changes and bugs that Ionic developers need to be aware of. Even if your app was published for an…
Preparing for Different Databases In the previous chapter, we created a PostRepository that returns some data from blog posts. While the implementation was adequate for learning purposes, it is quite impractical for real world applications; no one wo…
A. Olympiad 题目链接:http://codeforces.com/problemset/problem/937/A time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output The recent All-Berland Olympiad in Informatics featured n participants with e…
B. Preparing for the Contest 题目连接: http://codeforces.com/contest/377/problem/B Description Soon there will be held the world's largest programming contest, but the testing system still has m bugs. The contest organizer, a well-known university, has n…
Olympiad Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description You are one of the competitors of the Olympiad in numbers. The problem of this year relates to beatiful numbers. One integer is called be…
D. Jury Meeting time limit per test 1 second memory limit per test 512 megabytes input standard input output standard output Country of Metropolia is holding Olympiad of Metrpolises soon. It mean that all jury members of the olympiad should meet toge…
Preparing Cities for Robot Cars The possibility of self-driving robot cars has often seemed like a futurist's dream, years away from materializing in the read world. 自动驾驶机器人汽车的可能性貌似看起来常常是未来主义者的梦想,在真实世界里的实现还要好几年. Well, the future is apparently now. 然而…
A. Olympiad time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output The recent All-Berland Olympiad in Informatics featured n participants with each scoring a certain amount of points. As the head…
Preparing for App Review After you finish testing, you’re ready to submit your app for review. This chapter highlights a few tips to help you through the review process. 当你完成测试以后,就表示已经准备好提交应用以供审核. 该章节重点介绍了一些提示来帮助你通过审核过程. Submitting Products for Revie…
Country of Metropolia is holding Olympiad of Metrpolises soon. It mean that all jury members of the olympiad should meet together in Metropolis (the capital of the country) for the problem preparation process. There are n + 1 cities consecutively num…
题目链接: C. International Olympiad time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output International Abbreviation Olympiad takes place annually starting from 1989. Each year the competition receiv…
Olympiad Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 631 Accepted Submission(s): 436 Problem Description You are one of the competitors of the Olympiad in numbers. The problem of this yea…
time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output International Abbreviation Olympiad takes place annually starting from 1989. Each year the competition receives an abbreviation of form IAO'y, wh…
A. Optimal Currency ExchangeAndrew was very excited to participate in Olympiad of Metropolises. Days flew by quickly, and Andrew is already at the airport, ready to go home. He has n rubles left, and would like to exchange them to euro and dollar bil…
