题目链接:https://abc093.contest.atcoder.jp/tasks/abc093_b?lang=en 这个题虽然很水,但是还是很容易踩坑,比如我,直接想到了[b,a]之间的长度和k的比较,其实不对,用介于(k+2k)/2之间的数验证一下就不对,考虑到对称性,应该是和2k进行比较. 做题还是应该沉心静气,不可眼高手低. AC代码: import java.util.Scanner; public class Main { public static void main(Str…

Big Number Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 35382    Accepted Submission(s): 16888 Problem Description In many applications very large integers numbers are required. Some of these…

原文:http://www.cnblogs.com/yanhaijing/p/3685304.html 这是我所知道的最完整最简洁的JavaScript基础教程. 这篇文章带你尽快走进JavaScript的世界——前提是你有一些编程经验的话.本文试图描述这门语言的最小子集.我给这个子集起名叫做“JavaScript简易教程”,并推荐准备深入阅读细节和高级技巧之前的新手阅读.心急吃不了热豆腐.文章的最后提出如何进一步学习. 警告:下面是我所描述的规则集和最佳实践.我喜欢整洁清晰(例如,你可以随时通…

客户端的请求体中的数据:[{"msg_id": 1, "msg_status": "HAS_READ" }, { "msg_id": 2, "msg_status": "HAS_READ" }] 是一个二维数组字符串 $json_data = json_decode($GLOBALS['HTTP_RAW_POST_DATA'], true);其实用这一句即可实现JSON二维数组字符串转P…

Big Number Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 21106    Accepted Submission(s): 9498 Problem Description In many applications very large integers numbers are required. Some of these…

Why Python is Slow: Looking Under the Hood https://jakevdp.github.io/blog/2014/05/09/why-python-is-slow/ MAY 09, 2014 We've all heard it before: Python is slow. When I teach courses on Python for scientific computing, I make this point very early in…

Big Number Problem Description In many applications very large integers numbers are required. Some of these applications are using keys for secure transmission of data, encryption, etc. In this problem you are given a number, you have to determine th…

Problem Description Inmany applications very large integers numbers are required. Some of theseapplications are using keys for secure transmission of data, encryption, etc.In this problem you are given a number, you have to determine the number ofdig…

Problem Description In many applications very large integers numbers are required. Some of these applications are using keys for secure transmission of data, encryption, etc. In this problem you are given a number, you have to determine the number of…

Problem Description In many applications very large integers numbers are required. Some of these applications are using keys for secure transmission of data, encryption, etc. In this problem you are given a number, you have to determine the number of…