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006:欧拉项目平方和与和的平方的差
Sum square difference Problem 6 The sum of the squares of the first ten natural numbers is, 12 + 22 + ... + 102 = 385 The square of the sum of the first ten natural numbers is, (1 + 2 + ....
分类:其他好文   时间:2014-05-23 02:22:57    阅读次数:193
001. 3和5的倍数
Problem 1: Multiples of 3 and 5 If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Find the sum of all the multip...
分类:其他好文   时间:2014-05-23 01:43:01    阅读次数:253
LightOJ-1140-How Many Zeroes?
Jimmy writes down the decimal representations of all natural numbers between and including m and n, (m ≤ n). How many zeroes will he write down? Input Input starts with an integer T (≤ 11000), denot...
分类:其他好文   时间:2014-05-22 22:59:18    阅读次数:354
poj 2082 Terrible Sets (数据结构 ——栈 STL)
?? Terrible Sets Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 2999   Accepted: 1549 Description Let N be the set of all natural numbers {0 , 1 , 2 , . . . ...
分类:其他好文   时间:2014-05-22 09:52:10    阅读次数:283
ZOJ3673:1729
1729 is the natural number following 1728 and preceding 1730. It is also known as the Hardy-Ramanujan number after a famous anecdote of the British mathematician G. H. Hardy regarding a hospital vis...
分类:其他好文   时间:2014-05-13 14:52:34    阅读次数:314
[ACM] 1016 Prime Ring Problem (深度优先搜索)
Prime Ring Problem Problem Description A ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum of numbers in two adjacent...
分类:其他好文   时间:2014-05-13 11:54:17    阅读次数:444
cocos2d-x项目101次相遇:使用触摸事件移动 精灵
cocos2d-x 101次相遇 / 目录  1   安装和环境搭建 -xcode  2   Scenes , Director, Layers, Sprites 3   建立图片菜单  4   在HelloWorld上--建立新场景  5   增加一个精灵sprite  5.1   缩小sprite并使之完整显示 6   action ,移动sprite  7   3.0 的点击...
分类:移动开发   时间:2014-05-12 15:00:55    阅读次数:373
自然连接(natural join)
自然连接:自然连接是在两张表中寻找那些数据类型和列名都相同的字段,然后自动地将他们连接起来,并返回所有符合条件按的结果。来看一下自然连接的例子。Select emp.ename,dept.dnameFrom emp natural join dept;这里我们并没有指定连接的条件,实际上oracle...
分类:其他好文   时间:2014-05-10 00:37:54    阅读次数:702
Highly divisible triangular number
我的那个暴力求解,太耗时间了。用了网上产的什么因式分解,质因数之类的。确实快!还是数学基础不行,只能知道大约。The sequence of triangle numbers is generated by adding the natural numbers. So the 7th triangl...
分类:其他好文   时间:2014-05-09 23:43:16    阅读次数:342
Limestone crushing plant
With the shortage of natural sand resources increasingly tense, artificial sand began to increasingly replace natural sand for the construction of the...
分类:其他好文   时间:2014-05-09 12:57:36    阅读次数:272
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