整数分解(Integer
factorization)又叫质因数分解(质因子分解)是指把一个正整数写成几个素数的乘积。最简单的算法是,从2到N进行试除,能整除的时候就说明找到了一个新的因子,而这个过程中由于是从较小的数開始除起所以必然会先找到能整除的最小的素数。#include
void pd(in...
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其他好文 时间:
2014-05-27 00:38:50
阅读次数:
310
工程目录:/SSH1/src/cn/itcast/domain/Book.javapackage cn.itcast.domain;/** * 图书
*/public class Book { private Integer id; // 图书编号 private String name...
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其他好文 时间:
2014-05-27 00:33:58
阅读次数:
310
Let S = s1 s2...s2n be a well-formed string of
parentheses. S can be encoded in two different ways:q By an integer sequence P =
p1 p2...pn where pi is...
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其他好文 时间:
2014-05-26 22:07:33
阅读次数:
300
InputThe first line of the input contains an
integer
T(1>4294967295,故不能用常规方法具体解决方法是,将数字利用字符串的形式表示,每个字符都是数字,1000个连续字符也没问题,再将两个不同字符串相加得到最终结果。有一次提交时,出现了“...
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其他好文 时间:
2014-05-26 21:27:06
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248
Given an unsorted integer array, find the first
missing positive integer.For
example,Given[1,2,0]return3,and[3,4,-1,1]return2.Your algorithm should ru...
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其他好文 时间:
2014-05-26 09:43:14
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220
E. Elegant StringTime Limit:1000msCase Time
Limit:1000msMemory Limit:65536KB64-bit integer IO format:%lld Java class
name:MainSubmitStatusPID: 34985Fo...
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其他好文 时间:
2014-05-26 08:23:51
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269
【题目】
The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other.
Given an integer n, return all distinct solutions to the n-queens puzzle.
Each solution contains a distinct board configuratio...
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其他好文 时间:
2014-05-24 17:12:32
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237
An integer is divisible by 3 if the sum of its digits is also divisible by 3. For example, 3702 is divisible by 3 and 12 (3+7+0+2) is also divisible by 3. This property also holds for the integer 9.
...
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其他好文 时间:
2014-05-24 14:30:47
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208
H. Happy Reversal
64-bit integer IO format: %lld
Java class name: Main
Elfness is studying in an operation "NOT".
For a binary number A, if we do operation "NOT A", after that, all digit...
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移动开发 时间:
2014-05-23 00:43:49
阅读次数:
430
马上要去比赛了。
今天做了一下2014北京邀请赛,出了两道题目,感觉很水啊、、、
首先H题:
H. Happy Reversal
Time Limit: 1000ms
Case Time Limit: 1000ms
Memory Limit: 65536KB
64-bit integer IO format: %lld Java class name...
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其他好文 时间:
2014-05-22 23:07:32
阅读次数:
417