Given a set S = {1, 2, …, n}, number m and p, your job is to count how many set T satisfies the following condition: T is a subset of S
|T| = m
T does not contain continuous numbers, that is to say...
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其他好文 时间:
2015-02-07 16:01:15
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142
网上查看分段查询的例子,用的最多的是LAG和LEAD统计函数,Lag和Lead函数可以在一次查询中取出同一字段的前N行的数据和后N行的值。这种操作可以使用对相同表的表连接来实现,不过使用LAG和LEAD有更高的效率。例如:create table TEST
(
GRADE NUMBER not null,
STUID VARCHAR2(4)
);
insert into test (GR...
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数据库 时间:
2015-02-07 15:56:42
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357
题目描述:3Sum ClosestGiven an arraySofnintegers, find three integers inSsuch that the sum is closest to a given number, target. Return the sum of the thre...
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其他好文 时间:
2015-02-07 15:50:51
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129
Problem Description
You are given N positive integers, denoted as x0, x1 ... xN-1. Then give you some intervals [l, r]. For each interval, you need to find a number x to make as small as possible!
Input
The first line is an integer T (T <= 10), indicat...
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其他好文 时间:
2015-02-07 14:39:36
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205
??
练习1.34
这道题我一开始不用Edwin的时候觉得是会陷入无限循环之中。后来在Edwin上试了一下才发现会报错,输出如下:
(f f)
;The object 2 is notapplicable.
;To continue, call RESTARTwith an option number:
;
(RESTART 2) => Specify a ...
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其他好文 时间:
2015-02-07 14:35:11
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171
java.lang 类 Integerjava.lang.Object java.lang.Number java.lang.Integer全部已实现的接口: Serializable, Comparable public final class Integerextends Number...
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编程语言 时间:
2015-02-07 14:31:14
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162
题目描述:Palindrome NumberDetermine whether an integer is a palindrome. Do this without extra space.Some hints:Could negative integers be palindromes? (ie...
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其他好文 时间:
2015-02-07 14:22:19
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175
练习1.34这道题我一开始不用Edwin的时候觉得是会陷入无限循环之中。后来在Edwin上试了一下才发现会报错,输出如下:(f f);The object 2 is not applicable.;To continue, call RESTART with an option number:; (...
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其他好文 时间:
2015-02-07 14:22:18
阅读次数:
183
题目 这道题是迄今为止最快通过的一道题,改了两次就过了,runtime一般(中等偏下,这点不太满意)。Palindrome就是判断一个整数是否对称。Determine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Some hints:Could negativ...
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其他好文 时间:
2015-02-07 13:16:36
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141
点击打开链接
1009. K-based Numbers
Time limit: 1.0 second
Memory limit: 64 MB
Let’s consider K-based numbers, containing exactly N digits. We define a number to be valid if itsK-based ...
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其他好文 时间:
2015-02-07 13:14:20
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142