Description:Count the number of prime numbers less than a non-negative number,n.思路:一个一个判断,时间复杂度:O(n^2)代码:TLEpublic class Solution { public int coun...
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其他好文 时间:
2015-07-13 17:45:04
阅读次数:
97
场景:有N个合作方,每个合作方都有一定的权重,按权重随机选择一个合作方
typedef struct
{
string k;//partner_id
string v;//value
string m;//0:number 1:ratio
}Bookpartner_count_listInfo;
string GetRandNumRatio( vector arp...
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编程语言 时间:
2015-07-13 16:22:21
阅读次数:
162
TreeView由节点构成,建树通过对TreeView.items属性进行操作。Items是一个TTreeNodes对象,这是一个TTreeNode集。 一、针对TTreeNodes,也就是 TreeView.Items,有这些属性: 1、count,节点个数。(节点总数) 2、item[index...
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其他好文 时间:
2015-07-13 15:45:49
阅读次数:
85
Description
Some of Farmer John's N cows (1 ≤ N ≤ 80,000) are having a bad hair day! Since each cow is self-conscious about her messy hairstyle, FJ wants to count the number of other cows that can ...
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其他好文 时间:
2015-07-13 14:01:45
阅读次数:
135
Number of Digit OneGiven an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n.For example:Gi...
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其他好文 时间:
2015-07-13 13:41:28
阅读次数:
103
题目:
The count-and-say sequence is the sequence of integers beginning as follows:
1, 11, 21, 1211, 111221, ...
1 is read off as "one
1" or 11.
11 is read off as "two
1s" or 21.
21 is rea...
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编程语言 时间:
2015-07-13 12:16:38
阅读次数:
120
八皇后 1 public class EightQueen { 2 3 private static final int ROW = 4; 4 private static final int COL = 4; 5 6 private static int count =...
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编程语言 时间:
2015-07-13 11:54:31
阅读次数:
148
#include
#include
#include
using namespace std;
//y=kx+z
typedef struct{
double k;
double z;
int count;
}Skzc;
int main(int argc, char *argv[]){
//(x,y)
multimap place;
vector kzcVector;
map...
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其他好文 时间:
2015-07-13 06:38:24
阅读次数:
108
ora_hash函数用来返回分区号,而dbms_rowid.rowid_object()函数用来返回object_idselect dbms_rowid.rowid_object(rowid) obj_id, ora_hash ( id, 31, 0) part_id ,count(*) froms...
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数据库 时间:
2015-07-13 00:38:24
阅读次数:
1370
scala> val file = sc.textFile("hdfs://9.125.73.217:9000/user/hadoop/logs") scala> val count = file.flatMap(line => line.split(" ")).map(word => (word,...
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Web程序 时间:
2015-07-12 23:08:03
阅读次数:
274