POJ 2970 The lazy programmer】的更多相关文章

Language: Default The lazy programmer Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 1566   Accepted: 386 Description A new web-design studio, called SMART (Simply Masters of ART), employs two people. The first one is a web-designer and…
The lazy programmer Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 2785   Accepted: 703 Description A new web-design studio, called SMART (Simply Masters of ART), employs two people. The first one is a web-designer and an executive dire…
A new web-design studio, called SMART (Simply Masters of ART), employs two people. The first one is a web-designer and an executive director at the same time. The second one is a programmer. The director is so a nimble guy that the studio has already…
来源poj2970 A new web-design studio, called SMART (Simply Masters of ART), employs two people. The first one is a web-designer and an executive director at the same time. The second one is a programmer. The director is so a nimble guy that the studio h…
A new web-design studio, called SMART (Simply Masters of ART), employs two people. The first one is a web-designer and an executive director at the same time. The second one is a programmer. The director is so a nimble guy that the studio has already…
Description There is a worker who may lack the motivation to perform at his peak level of efficiency because he is lazy. He wants to minimize the amount of work he does (he is Lazy, but he is subject to a constraint that he must be busy when there is…
The KISS principle, or Keep It Simple, Stupid, spans many trades, industries, and professions. The more complex something is, the more ways there are for it to fail, and the more difficult it is to explain to someone else who needs to understand it.…
POJ - 1245 Programmer, Rank Thyself Time Limit: 1000MS Memory Limit: 10000KB 64bit IO Format: %I64d & %I64u [Submit]   [Go Back]   [Status] Description Implement a ranking program similar to the one used for this programming contest. Input The input …
题目链接:http://poj.org/problem?id=3468 思路:如果直接去做,每次都更新到叶子节点,那必然会TLE,我们可以采用lazy的思想:没必要每次更新都更新到叶子节点,只要有一个合适的范围就用一个增量来记录它,当下一次询问时,如果这个范围正好合适询问的范围,就直接是这个节点的sum值加上这个区间长度*lnc,再加到总和上去,若这个节点的范围不适合所要查询的范围,那么就要查询它的子节点,这个时候再把增量传给她的子节点,并且清空父亲节点的增量,这样效率能大大提高. #inclu…
题目链接:http://poj.org/problem?id=3237 一棵有边权的树,有3种操作. 树链剖分+线段树lazy标记.lazy为0表示没更新区间或者区间更新了2的倍数次,1表示为更新,每次更新异或1就可以. 熟悉线段树成段更新就很简单了,最初姿势不对一直wa,还是没有彻底理解lazy标记啊. #include <iostream> #include <cstdio> #include <cstring> using namespace std; ; str…