;; Building Abstractions With Procedures
( define ( my-sqrt x )
( define ( good-enough? guess )
(
( define ( improve guess )
( average guess ( / x guess ) ) )
...
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其他好文 时间:
2014-07-08 15:22:37
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306
A message containing letters from A-Z is being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message con...
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其他好文 时间:
2014-07-06 14:42:59
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150
main() { char s[30]; strcpy(s, "Good News!"); /*给数组赋字符串*/ . . . } 上面程序在编译时, 遇到char s[30]这条语句时, 编译程序会在内存的某处留 出连续30个字节的区域, 并将第一个字节的地址赋给s。当遇到strcpy( strc...
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其他好文 时间:
2014-07-06 14:15:26
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251
HDU 1847 Good Luck in CET-4 Everybody! (博弈论sg)
解题思路:
1、用博弈论sg函数可以解
根据NP图的关系,发现 n%3=0时,Cici赢,否则Kiki赢
2、用DP去解,用dp[n][f] 表示还剩n张牌时,f先走,谁赢。...
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其他好文 时间:
2014-07-06 12:37:25
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154
Good Luck in CET-4 Everybody!
Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 4762 Accepted Submission(s): 3058
Problem Description
...
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其他好文 时间:
2014-07-06 11:50:27
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160
Description
Little John is herding his father's cattles. As a lazy boy, he cannot tolerate chasing the cattles all the time to avoid unnecessary omission. Luckily, he notice that there were N trees...
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其他好文 时间:
2014-07-06 10:39:09
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188
The Game
Description
One morning, you wake up and think: "I am such a good programmer. Why not make some money?'' So you decide to write a computer game.
The game takes place on a rectangular...
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其他好文 时间:
2014-07-06 09:02:34
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287
A message containing letters from A-Z is being encoded to numbers using the following mapping:
'A' -> 1
'B' -> 2
...
'Z' -> 26
Given an encoded message containing digits, determine the total numb...
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其他好文 时间:
2014-07-05 23:41:41
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253
spring推荐使用publicvoidsave(Goodgood){
this.sessionFactory.getCurrentSession().save(good);
}以上编写dao代码,推荐使用hibernateTemplate,避免框架的入侵。这种方式如果不配置事务管理<!--<aop:config>-->
<!--<aop:pointcutid="goodServiceMethods"..
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编程语言 时间:
2014-07-04 06:35:29
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341
错误信息:
When I ran Hardware Event-based Sampling Analysis 0, it showed the ERROR:
Collection failed
Collection failed. The data cannot be displayed.
PMU resource(s) currently being used by...
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其他好文 时间:
2014-07-03 17:12:20
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338