Problem Description
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 of my friends are coming to ...
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其他好文 时间:
2015-08-03 14:38:08
阅读次数:
102
原文地址——http://blog.csdn.net/qq525099302/article/details/47253351create or replace function generate_coupons_code(v_length in number:=16) return varchar2 is
v_code varchar2(70);
type t_arr is varray(...
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数据库 时间:
2015-08-03 11:35:49
阅读次数:
127
June 22, 2015Given a number represented as an array of digits, plus one to the number.Leetcode: plus one, 喜欢这道题, 看看有哪些解法; 一个个试过来. (6种方法)Read the web b...
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其他好文 时间:
2015-08-03 06:29:15
阅读次数:
150
Given a list of non negative integers, arrange them such that they form the largest number.For example, given[3, 30, 34, 5, 9], the largest formed num...
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其他好文 时间:
2015-08-03 00:55:11
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133
Given a binary tree containing digits from0-9only, each root-to-leaf path could represent a number.An example is the root-to-leaf path1->2->3which rep...
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其他好文 时间:
2015-08-02 23:12:12
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219
The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font fo...
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其他好文 时间:
2015-08-02 23:08:40
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212
Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any positive integer...
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移动开发 时间:
2015-08-02 22:57:06
阅读次数:
151
为什么要进行算法分析?
预测算法所需的资源
计算时间(CPU 消耗)内存空间(RAM 消耗)通信时间(带宽消耗)
预测算法的运行时间
在给定输入规模时,所执行的基本操作数量,或者称为算法复杂度(Algorithm Complexity)
如何衡量算法复杂度?
内存(Memory)时间(Time)指令的数量(Number of Steps)特定...
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编程语言 时间:
2015-08-02 21:44:16
阅读次数:
213
Sum
时间限制:1000 ms | 内存限制:65535 KB
难度:2
描述Consider the natural numbers from 1 to N. By associating to each number a sign (+ or -) and calculating the value of this expression
we obtain ...
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其他好文 时间:
2015-08-02 21:41:37
阅读次数:
165
DescriptionA ring is composed of n (even number) circles as shown in diagram. Put natural numbers into each circle separately, and the sum of numbers....
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其他好文 时间:
2015-08-02 21:32:34
阅读次数:
154