DescriptionA magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But the problem is, the sys...
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其他好文 时间:
2015-07-25 15:04:24
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524
题目:DescriptionA magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But the problem is, the ...
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其他好文 时间:
2015-07-25 15:01:17
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118
Big-endian和Little-endianflyfish 2015-7-25引用自《深入理解计算机系统》的说法
最高有效字节在最前面的方式,称为大端法(big endian)
最低有效字节在最前面的方式,称为小端法(little endian)引用自《Computer Systems A Programmer’s Perspective》的说法
where the most signif...
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其他好文 时间:
2015-07-25 12:21:09
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121
在数据库中使用一种特殊的值表示未知的值--NULL,我们称之为空值但并不是空的字符串,而是特殊的值。执行:select * from EMP where EMPID in(2,3,null);结果: 执行:select * from EMP where EMPID not in(2,3...
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数据库 时间:
2015-07-25 12:06:13
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159
PL/SQL常用的快捷方式:sf= select * from sr=select t.*,t.rowid from t sd = select distinct * from d=delete from w= where sc=select count(1) from u= update在某一文件...
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数据库 时间:
2015-07-25 11:55:04
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133
The gray code is a binary numeral system where two successive values differ in only one bit.
Given a non-negative integer n representing the total number of bits in the code, print the sequence of ...
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其他好文 时间:
2015-07-25 10:45:07
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114
Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %lluDescriptionA friend of you is doing research on the Traveling Knight Problem (TKP) where...
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其他好文 时间:
2015-07-24 22:17:15
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116
Problem Definition:Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty ce...
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其他好文 时间:
2015-07-24 22:06:51
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132
Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64uDescriptionA magic island Geraldion, where Gerald lives, has its own currency sys...
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其他好文 时间:
2015-07-24 22:05:51
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89
Description
A magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But the problem is, the system is not perfect and sometimes it happens th...
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其他好文 时间:
2015-07-24 20:52:47
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101