Monthly Archives: April 2016

Poj Solution 3658

http://poj.org/problem?id=3658 //* @author /** * @version 2009/08/21 * @author sbzlyessit */ import java.io.*; import java.util.*; public class Main { private static final int MAX_N = 100000; private static BufferedReader in =new BufferedReader(new InputStreamReader(System.in)); private static StringTokenizer st; private static int[] … Continue reading

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Poj Solution 3657

http://poj.org/problem?id=3657  

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Poj Solution 3653

http://poj.org/problem?id=3653 //* @author: SmilingWang import java.util.*; import java.io.*; public class Main { static final int INF = 100000000; public static void main(String[] args){ Scanner in = new Scanner(new BufferedInputStream(System.in)); int x = in.nextInt(); int y = in.nextInt(); while(x != 0 … Continue reading

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Poj Solution 3652

http://poj.org/problem?id=3652 import java.util.Arrays; import java.util.Scanner; public class Main { int a; int b; int c; int s; int x; char[] result; int flg; boolean[] dup; public Main() { Scanner scan = new Scanner(System.in); while ((a = scan.nextInt()) != 0) { … Continue reading

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Poj Solution 3650

http://poj.org/problem?id=3650 //* @author ������&lt;hongxp11@163.com&gt; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); while(true) { String input = in.nextLine(); if(input.equals("#")) break; int len = input.length(); for(int i = 0; i < len; … Continue reading

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Poj Solution 3646

http://poj.org/problem?id=3646 //* @author: import java.util.*; public class Main{ public static void main(String[] args) { Scanner sc=new Scanner(System.in); int i,j,ans; end: while (sc.hasNext()) { int n=sc.nextInt(); if(n==0) break; int m=sc.nextInt(); int a[]=new int[n+1]; int b[]=new int[m+1]; for ( i=1;i<=n;i++) a[i]=sc.nextInt(); for … Continue reading

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Poj Solution 3641

http://poj.org/problem?id=3641 //* @author: 82638882@163.com import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in=new Scanner(System.in); while(true) { long p=in.nextLong(); long a=in.nextLong(); if(a==0&&p==0) break; if(isPrime(p)){ System.out.println("no"); continue; } System.out.println(sum(a,p,p)==a?"yes":"no"); } } public static boolean isPrime(long a) { … Continue reading

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Poj Solution 3640

http://poj.org/problem?id=3640 //* @author ������&lt;hongxp11@163.com&gt; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.Reader; import java.util.Arrays; import java.util.Collections; import java.util.HashMap; import java.util.Map; import java.util.Set; public class Main { /** * @param args * @throws IOException * @throws NumberFormatException */ public … Continue reading

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书单

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八佾

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入门者学

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泰伯

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学而

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为政

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乡党

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先进

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宪问

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大师兄

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公冶长

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雍也

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子罕

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季路

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ORM设计

首希望本文的读者拥有一定的ORM框架设计经验,或者熟悉ORM原理,最好是自己动手实现过ORM映射 如果没有请参考Doctrine或者Zend DB实现 在传统的ORM框架中都会有这样一个需求:”将一个一维数组或二维数组插入或替换到数据库中” 关于一维数组的处理这里不讨论,这里只关心二维数组 如下一个二维数组(这里使用php编码比较通俗易懂),假设某张表有三个字段 a,b,c $arr=array( array( ‘a’=>1, ‘b’=>2, ), array( ‘a’=>3, ‘b’=>4, ) ); 这种数组每一维键和键顺序完全相同 只要取出第一维键值作为 INSERT INTO `table_name`(#####) 括号里的键值 然后把所有维的值拼起来作为 VALUES部分就解决了,问题是不是所有程序员都会遵循使用规则,有可能传给你一个这样的数组 $arr=array( array( ‘a’=>1, ‘b’=>2, ), array( ‘a’=>3, ‘b’=>4, ‘c’=>5, ) ); 这样就会导致那个SQL初学者常见的columns does not match … Continue reading

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vps 升级 数据库丢了

没了就没了吧 没有备份………………

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Poj Solution 3639

http://poj.org/problem?id=3639 //* @author: import java.util.*; public class Main{ public static void main(String[] args) { Scanner sc=new Scanner(System.in); int i,n; double rate,us,ca,tus,tca,t1,t2; while (sc.hasNext()) { n=sc.nextInt(); if(n==0) break; ca=1000;us=0; for (i=1;i<=n;i++) { rate=sc.nextDouble(); t1=ca/rate*.97; t1=(Math.floor(t1*100))/100; t2=us*rate*.97; t2=(Math.floor(t2*100))/100; tus=(us>t1?us:t1); tca=(ca>t2?ca:t2); us=tus;ca=tca; } … Continue reading

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Poj Solution 3637

http://poj.org/problem?id=3637 //* @author popop0p0popo import java.util.*; import java.io.*; public class Main{ public static void main(String[] args){ Scanner scanner=new Scanner(new BufferedReader(new InputStreamReader(System.in))); int n=scanner.nextInt(); int t,total; int[] prs; for (int i=0;i< n ;i++ ){ t=scanner.nextInt(); prs=new int[t]; for (int j=0;j< t … Continue reading

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Poj Solution 3633

http://poj.org/problem?id=3633 //* @author /** * @version 2009/08/26 * @author sbzlyessit */ /*������. ״̬����, ���ü��仯����, ����ת�ƺķѾ޴�, ���������֦. *����Ҫ��һ���֦����ÿһλƥ��ʱ��Ҫȡ��ij��Ƚ�����һ������. */ import java.io.*; import java.util.*; public class Main { private static final int MAX_N = 18; private static BufferedReader in = new BufferedReader(new … Continue reading

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