Given an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n.For example:Given n = 13,Return 6...
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其他好文 时间:
2015-08-04 20:58:01
阅读次数:
110
原文地址——http://blog.csdn.net/qq525099302/article/details/47280211
user_sequences中保存着当前用户的所有序列信息,可以从这张系统内置表中查询当前序列值select seq.last_number from user_sequences seq where seq.sequence_name='SEQ_B_ORDER_ID';...
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其他好文 时间:
2015-08-04 19:17:44
阅读次数:
110
当你的应用有调用存储过程,而节点有几十个或者上百个,找错是不是一个很麻烦的事情,这个时候,我建议写到数据库中,下面是我做的一个demo.
1. 建立错误日志记录表
drop table PUB_PROC_ERR_LOG purge;
create table PUB_PROC_ERR_LOG
(
LOG_ID NUMBER,
MODULE_NAME VARCHAR2(...
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数据库 时间:
2015-08-04 19:11:01
阅读次数:
184
题目Count Complete Tree Nodes
Given a complete binary tree, count the number of nodes.In a complete binary tree every level, except possibly the last, is completely filled, and all nodes in the last lev...
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其他好文 时间:
2015-08-04 17:18:36
阅读次数:
150
作业1:让用户输入数字,累加作业2:存10000块钱,年利率是3.25,多少年之后,存款能翻倍作业3:求用户输入数字的平均分作业1:#!/usr/bin/envpython
#-*-coding:utf-8-*-
x=0
whileTrue:
num=raw_input(‘Pleaseinputnumber[Q/qtoexit]:‘)
ifnum==‘q‘ornum==‘Q‘:
print‘total..
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编程语言 时间:
2015-08-04 16:01:27
阅读次数:
326
Gray Code
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 t...
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其他好文 时间:
2015-08-04 15:46:28
阅读次数:
112
Problem DescriptionEddy's interest is very extensive, recently he is interested in prime number. Eddy discover the all number owned can be divided int...
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其他好文 时间:
2015-08-04 15:23:26
阅读次数:
95
题目如下:
For any 4-digit integer except the ones with all the digits being the same, if we sort the digits in non-increasing order first, and then in non-decreasing order, a new number can be obta...
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其他好文 时间:
2015-08-04 13:34:40
阅读次数:
134
两种思路:
思路一:
1、n&1 可得到最低位的数字,然后加到count变量中即可
2、n>>>1,注意是三个>不是两个>,三个的是逻辑移位,两个的是算术移位(Java中的定义)
缺点就是:有多少位就要需要移动多少次
思路二:
1、假设n= 1111000111000 那 n-1 = 1111000110111, (n-1) & n = 1111000110000,刚好把最...
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其他好文 时间:
2015-08-04 13:33:58
阅读次数:
101
My birthday is coming up and traditionally I’m serving pie. Not just one pie, no, I have a number N of them, of various tastes and of various sizes. F...
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其他好文 时间:
2015-08-04 13:20:55
阅读次数:
99