http://codeforces.com/problemset/problem/670/D2 The term of this problem is the same as the previous one, the only exception — increased restrictions. Input The first line contains two positive integers n and k (1 ≤ n ≤ 100 000, 1 ≤ k ≤ 109) — the nu…

http://acm.hdu.edu.cn/showproblem.php?pid=4605 Magic Ball Game Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 309    Accepted Submission(s): 73 Problem Description When the magic ball game tu…

题目链接: I - Magic FZU - 2280 学习链接: FZU - 2280 I - Magic 题目大意: 给你nn个字符串,每个字符串有一个值ww,有qq次询问,一共两种操作:一是“1,x,y”“1,x,y”表示把第xx个串的ww变为yy:二是“2,x”2,x”,输出第xx个串能放几次魔法.放魔法的条件是这样:用串x放魔法,如果在1~n个串中,一个串的ww不超过xx的ww并且xx是这个串的后缀,则算放了一次魔法,然后每次询问输出能放几个魔法. 具体思路:对于每个字符串hash一下,…

Mike and Feet time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Mike is the president of country What-The-Fatherland. There are n bears living in this country besides Mike. All of them are st…

题目:http://codeforces.com/contest/809/problem/E…

http://codeforces.com/contest/659/problem/D     Maria participates in a bicycle race. The speedway takes place on the shores of Lake Lucerne, just repeating its contour. As you know, the lake shore consists only of straight sections, directed to the…

Find an n × n matrix with different numbers from 1 to n2, so the sum in each row, column and both main diagonals are odd. Input The only line contains odd integer n (1 ≤ n ≤ 49). Output Print n lines with n integers. All the integers should be differ…

lazy区间修改   : http://acm.hdu.edu.cn/showproblem.php?pid=4902   (hdu4902) http://acm.hdu.edu.cn/showproblem.php?pid=4893 (hdu4902) http://codeforces.com/contest/447/problem/E     (Codeforces Round #FF (Div. 2) E)) http://codeforces.com/contest/121/prob…

http://www.cnblogs.com/zhangchaoyang/articles/2200800.html http://blog.csdn.net/qll125596718/article/details/6895291 BIRCH(Balanced Iterative Reducing and Clustering using Hierarchies)天生就是为处理超大规模(至少要让你的内存容不下)的数据集而设计的,它可以在任何给定的内存下运行.关于BIRCH的更多特点先不介绍,我…

转自:http://qiaodahai.com/solid-state-drives-ssd-and-flash-memory.html 固态硬盘SSD(Solid State Drive)泛指使用NAND Flash组成的固态硬盘,其特别之处在于没有机械结构,利用传统的NAND Flash特性,以区块写入和抹除的方式作读写的功能,因此在读写的效率上,非常依赖读写技术上的设计,与目前的传统硬盘相较,具有低耗电.耐震.稳定性高.耐低温等优点. 世界上第一款固态硬盘出现于1989年,不过由于其价格过…