Avoid The Lakes Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8173 Accepted: 4270 Description Farmer John's farm was flooded in the most recent storm, a fact only aggravated by the information that his cows are deathly afraid of wate…
Avoid The Lakes Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6795 Accepted: 3622 Description Farmer John's farm was flooded in the most recent storm, a fact only aggravated by the information that his cows are deathly afraid of wate…
Avoid The Lakes Time Limit : 2000/1000ms (Java/Other) Memory Limit : 131072/65536K (Java/Other) Total Submission(s) : 190 Accepted Submission(s) : 106 Problem Description Farmer John's farm was flooded in the most recent storm, a fact only aggrav…
Avoid The Lakes Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6826 Accepted: 3637 Description Farmer John's farm was flooded in the most recent storm, a fact only aggravated by the information that his cows are deathly afraid of wate…
题意:给出一个农田的图,n行m列,再给出k个被淹没的坐标( i , j ).求出其中相连的被淹没的农田的最大范围. 思路:dfs算法 代码: #include<iostream> #include<stdio.h> using namespace std; int t[150][150]; int visit[150][150]; int n,m,k; int dfs(int i,int j){ if(i<1||j<1||i>n||j>m||t[i][j]=…
Description Farmer John's farm was flooded in the most recent storm, a fact only aggravated by the information that his cows are deathly afraid of water. His insurance agency will only repay him, however, an amount depending on the size of the larges…
Avoid The Lakes Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7023 Accepted: 3735 Description Farmer John's farm was flooded in the most recent storm, a fact only aggravated by the information that his cows are deathly afraid of wate…
Avoid The Lakes Time Limit: 1000MS Memory Limit: 65536K Description Farmer John's farm was flooded in the most recent storm, a fact only aggravated by the information that his cows are deathly afraid of water. His insurance agency will only repay him…
Avoid The Lakes Time Limit: 1000MS Memory Limit: 65536KB 64bit IO Format: %I64d & %I64u Submit Status Description Farmer John's farm was flooded in the most recent storm, a fact only aggravated by the information that his cows are deathly afraid…
这是第一次全部做出来的依次练习了,有一些都是做过两遍了的,但是还是错了几回,更多时候我还是应该多注意下细节,就好像章爷笑我 的一样,像什么vis[]标记没清0,什么格式错误,还有什么题目没看清,还是的注意一下了. 地址:8.1搜索练习 Problem A POJ 2488 A Knight's Journey 题目大意就是说帮你给你个P*Q的棋盘,让马一次全部走完,每个点只能走一次,而且要按照字典序输出(这句话最坑!!!). 这道题做过了两三次了,却老是被那句“字典序输出”给坑死.第一次看到这道…
容错声明: ①题目选自https://acm.ecnu.edu.cn/,不再检查题目删改情况 ②所有代码仅代表个人AC提交,不保证解法无误 E0001 A+B Problem First AC: 2017-10-13 Latest Modification: 2018-02-28 #include<bits/stdc++.h> using namespace std; int a,b; int main() { cin>>a>>b; cout<<…
引言: 之前一篇文章梳理了String的不变性原则,还提到了一段源码中注释"avoid getfield opcode",当时通过查阅资料发现,这是为了防止 getfield(获取指定类的实例域,并将其值压入到栈顶)这个操作码的执行,这篇文章想从字节码的角度去分析一下. 先看一段代码吧 /** * Created by chenqimiao on 16/11/29. */ public class Main { public char[] chars = new char[10]; p…
原文链接:http://www.huffingtonpost.com/syed-balkhi/10-biggest-business-mista_b_7626978.html When I started my first business, I made a lot of mistakes (everyone does). While mistakes are unavoidable, you can use the lessons learned by others to prevent t…
The map of Berland is a rectangle of the size n × m, which consists of cells of size 1 × 1. Each cell is either land or water. The map is surrounded by the ocean. Lakes are the maximal regions of water cells, connected by sides, which are not connect…
在android开发中,写了一个关于继承Fragment的类时,如果有重载构造函数时,会提示“Avoid non-default constructors in fragments: use a default constructor plus Fragment#setArguments(Bundle) instead”的错误, 这时.在类的前面加上@SuppressLint("ValidFragment")即可.…
com.mysql.jdbc.CommunicationsException: The last packet successfully received from the server was58129 seconds ago.The last packet sent successfully to the server was 58129 seconds ago, which is longer than the server configured value of 'wait_timeou…
D. Lakes in Berland time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The map of Berland is a rectangle of the size n × m, which consists of cells of size 1 × 1. Each cell is either land or…
Description The map of Berland is a rectangle of the size n × m, which consists of cells of size 1 × 1. Each cell is either land or water. The map is surrounded by the ocean. Lakes are the maximal regions of water cells, connected by sides, which are…
11 Clever Methods of Overfitting and how to avoid them Overfitting is the bane of Data Science in the age of Big Data. John Langford reviews "clever" methods of overfitting, including traditional, parameter tweak, brittle measures, bad statistic…
use sentinel to avoid boudary testing, use swap trick to avoid extra copy. original version #include <cstdio> #include <algorithm> int main() { //freopen("input.txt","r",stdin); const int MAXSIZE=22, dimSize=20; int bacnums…
Database Design Rule Description Value Source Problem Description 1 Excessive sorting and RID lookup operations should be reduced with covered indexes. Sys.dm_exec_sql_text Sys.dm_exec_cached_plans Large data warehouse can benefit from more index…
Database Design Rule Description Value Source Problem Description 1 High Frequency queries having a high number of table joins. >4 Sys.dm_exec_sql_text Sys.dm_exec_cached_plans High frequency queries with lots of joins can be too normalized for h…
Principle Strings are poor substitutes for other value types. Such as int, float or BigInteger. Strings are poor substitutes for enum types. As discussed in Item 30. Strings are poor substitutes for aggregate types. A better approach is simply to wri…
Principle To avoid liveness and safety failures, never cede control to the client within a synchronized method or block. Do as little work as possible inside synchronized regions. You should make a mutable class thread-safe (Item 70) if it is intende…
D. Lakes in Berland time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The map of Berland is a rectangle of the size n × m, which consists of cells of size 1 × 1. Each cell is either land or…