Easy Finding Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 15668 Accepted: 4163 Description Given a M×N matrix A. Aij ∈ {0, 1} (0 ≤ i < M, 0 ≤ j < N), could you find some rows that let every cloumn contains and only contains one 1.…
Easy Finding Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16178 Accepted: 4343 Description Given a M×N matrix A. Aij ∈ {0, 1} (0 ≤ i < M, 0 ≤ j < N), could you find some rows that let every cloumn contains and only contains one 1.…
Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16202 Accepted: 4349 Description Given a M×N matrix A. Aij ∈ {0, 1} (0 ≤ i < M, 0 ≤ j < N), could you find some rows that let every cloumn contains and only contains one 1. Input There a…
#include<cstdio> #include<cstring> #include<cmath> #include<algorithm> using namespace std; ; ; int A[R][C]; int n,m; int ff[R][R]; int flag; int U[R]; int cnt; int sum[C]; void DFS(int tot,int x,int now) { int ii,i,j; ; if(x==tot)…
Easy Finding Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 18790 Accepted: 5184 Description Given a M×N matrix A. Aij ∈ {0, 1} (0 ≤ i < M, 0 ≤ j < N), could you find some rows that let every cloumn contains and only contains one 1.…
显然这是一道dfs简单题 或许匹配也能做 然而用了dancing links 显然这也是一道模板题 好的吧 调了一上午 终于弄好了模板 Easy Finding Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 19052 Accepted: 5273 Description Given a M×N matrix A. Aij ∈ {0, 1} (0 ≤ i < M, 0 ≤ j < N), could you fin…
grep(global search regular expression(RE) and print out the line,全面搜索正则表达式并把行打印出来)是一种强大的文本搜索工具,它能使用正则表达式搜索文本,并把匹配的行打印出来. 使用grep搜索某个关键字时,默认搜索出来的是所有包含该关键字的行,如下:搜索/var/named/veredholdings.cn_zone文件中172.16.50.24所在的行,默认会把所有包括172.16.50.24所在的行打印出来.[root@uat…
缘由 数据存储在MYSQ库中,数据基本维持不变,但数据量又较大(几千万)放在MYSQL中查询效率上较慢,寻求一种简单有效的方式提高查询效率,MYSQL并不擅长大规模数据量下的数据查询. 技术方案 考虑后期同样会使用到es,此次直接结合spring-boot框架形成一个独立服务,并不涉及UI展现内容,(ES版本2.4.5,5.0+版本的话就不能再使用spring data elasticsearch)技术组合如下: Spring Boot+ Spring-data-elasticsearch +…
Selecting Courses Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8316 Accepted: 3687 Description It is well known that it is not easy to select courses in the college, for there is usually conflict among the time of the courses. Li Mi…
Treasure Exploration Time Limit: 6000MS Memory Limit: 65536K Total Submissions: 6558 Accepted: 2644 Description Have you ever read any book about treasure exploration? Have you ever see any film about treasure exploration? Have you ever explored…
题目链接 The Windy's | Time Limit: 5000MS | Memory Limit: 65536K | | Total Submissions: 4939 | Accepted: 2080 | Description The Windy's is a world famous toy factory that owns M top-class workshop to make toys. This year the manager receives N orders for…
题目链接 : http://poj.org/problem?id=3020 Description The Global Aerial Research Centre has been allotted the task of building the fifth generation of mobile phone nets in Sweden. The most striking reason why they got the job, is their discovery of a new…
