Problem Description
Problems that process input and generate a simple ``yes'' or ``no'' answer are called decision problems. One class of decision problems, the NP-complete problems, are not amenable to general efficient solutions. Other problems may be si...
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其他好文 时间:
2015-02-17 17:43:31
阅读次数:
196
通常情况下,我们会使用下面SQL语句来更新字段值:复制代码代码例如以下:UPDATE mytable SET myfield='value' WHERE other_field='other_value';可是,假设你想更新多行数据,而且每行记录的各字段值都是各不一样,你会怎么办呢?举个样例,我的博...
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数据库 时间:
2015-02-17 12:51:00
阅读次数:
178
12985. Sum Fun
限制条件
时间限制: 1 秒, 内存限制: 256 兆
题目描述
Given a list of 3 positive integers, it may or may not be true that one of those numbers is the sum of the other two. Given several such sets o...
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其他好文 时间:
2015-02-17 10:24:51
阅读次数:
172
Max Sum
Time Limit : 2000/1000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other)
Total Submission(s) : 3076 Accepted Submission(s) : 552
Problem Description
Given a sequence a[1]...
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其他好文 时间:
2015-02-16 14:20:04
阅读次数:
191
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1114题意分析:给出存钱罐存钱前后的重量,以及钱的种类及其价值和种类, 要求装满存钱罐最小的价值。 完全背包/*Piggy-BankTime Limit: 2000/1000 MS (Java/Other...
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其他好文 时间:
2015-02-15 21:50:48
阅读次数:
183
With highways available, driving a car from Hangzhou to any other city is easy. But since the tank capacity of a car is limited, we have to find gas s...
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其他好文 时间:
2015-02-15 16:27:05
阅读次数:
168
题目1437:To Fill or Not to Fill时间限制:1 秒内存限制:128 兆特殊判题:否提交:1488解决:345题目描述:With highways available, driving a car from Hangzhou to any other city is easy....
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其他好文 时间:
2015-02-13 19:50:13
阅读次数:
183
A 2011 A3 was taken into my garage last month. The car owner said it came up with an engine check light the other day. One day after the light was on,...
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其他好文 时间:
2015-02-13 13:08:18
阅读次数:
155
1. 获取快速图像预览
MyEclipse中提供了一个视图选项允许您浏览图片文件夹(通过在Package Explorer),不用在一个单独的图像编辑器中打开它们来显示图像。图像预览选项提供了基本的放大/缩小图像的浏览,支持GIF,JPG,BMP,PNG和ICO图像类型。
要启用该视图,从菜单中选择Window>Show View>Other>Image来显示图像,请在Package ...
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系统相关 时间:
2015-02-13 10:10:34
阅读次数:
194
//获取浏览器版本号function browserVersion(types) { var other = 1; //默认版本号 for (i in types) { //遍历types var v = types[i] ? types[i] : i; ...
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Web程序 时间:
2015-02-13 00:15:52
阅读次数:
167