java中有三种移位运算符> : 右移运算符,num >> 1,相当于num除以2>>> : 无符号右移,忽略符号位,空位都以0补齐 int number = -1; //原始数二进制 printInfo(number); numb...
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编程语言 时间:
2015-04-18 21:58:12
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136
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array [?2,1,?3,4,?1,2,1...
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其他好文 时间:
2015-04-18 20:23:36
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130
Choose Your Tools with CareGiovanni AsproniMODERN APPLiCATiONS ARE VERY RARELY BUiLT FROM SCRATCH. They are assembled using existing tools—components, libraries, and frameworks— for a number of good re...
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其他好文 时间:
2015-04-18 17:51:38
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102
What is a 'library cache: mutex X' wait?The mutex feature is a mechanism to control access to in memory structures. It is used in a number of areas in...
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系统相关 时间:
2015-04-18 17:40:31
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279
目录数据类型定义变量数据类型参考资料Oracle10g数据类型总结学习总结字符类型char、nchar、varchar、nvarchar:有n的以字符存储无n的以字节存储,有var是可变的,存储空间以实际大小存储,无var的是固定大小,从空格补齐。数字类型NUMBER(p[,s]):定点数,s为小数...
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数据库 时间:
2015-04-18 17:34:09
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184
Follow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct solutions.问题是求N皇后的解,可以采用回溯法解决。 1 clas...
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其他好文 时间:
2015-04-18 17:32:34
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128
METHOD 1:Consider the case where we do not know the number of elements in each row at compile time, i.e. both the number of rows and number of columns...
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其他好文 时间:
2015-04-18 17:30:37
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124
Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is at...
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其他好文 时间:
2015-04-18 17:23:35
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97
划分树 1 /* 2 HDU 2665 Kth number 3 划分树 4 5 6 */ 7 8 9 #include10 #include11 #include12 #include13 using namespace std;14 15 const int MAXN=100010;1...
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其他好文 时间:
2015-04-18 15:54:54
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130
其实该题为求连通子图的个数,可以借助DFS的思想:class Solution {
public:
bool dfs(int i,int j,vector<vector> &grid)
{
if(i>=0&&i=0&&j<grid[i].size()&&grid[i][j]=='1')
{...
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其他好文 时间:
2015-04-18 14:36:49
阅读次数:
158