Given a collection of candidate numbers (C) and
a target number (T), find all unique combinations inCwhere the candidate numbers
sums toT.Each number ...
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其他好文 时间:
2014-05-26 13:59:59
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237
Given a set of candidate numbers (C) and a
target number (T), find all unique combinations inCwhere the candidate numbers
sums toT.Thesamerepeated num...
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其他好文 时间:
2014-05-26 13:54:25
阅读次数:
282
10001st prime
Problem 7
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13.
What is the 10 001st prime number?
使用埃拉托斯特尼筛法,不懂得自行Wiki
我的py...
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其他好文 时间:
2014-05-26 05:35:25
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248
题目一:
Given a binary tree containing digits from 0-9 only, each root-to-leaf
path could represent a number.
An example is the root-to-leaf path 1->2->3 which represents the number 123.
Fin...
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其他好文 时间:
2014-05-26 04:06:41
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248
简单数论题。区间减法。 1 //Accepted 0 KB 9 ms 2 #include 3
#include 4 using namespace std; 5 const int MAXN = 100005; 6 int f[MAXN]; 7 void
pre() 8 { 9 ...
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其他好文 时间:
2014-05-26 02:54:57
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278
题目:The sum of the squares of the first ten
natural numbers is,12 + 22 + ... + 102 = 385The square of the sum of the first
ten natural numbers is,(1 + ...
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其他好文 时间:
2014-05-26 02:15:16
阅读次数:
216
首先,在之前,我不是一个 Python玩家,我只是一个使用者,需要即取,现在,我要认真学习和记录,正确称为一个Python的玩家。
说明,这明显不是教程,是我自己理解并记录的笔记而已。
Python有五个标准的数据类型:
Numbers(数字)String(字符串)List(列表)Tuple(元组)Dictionary(字典)
数字有四种数值类型:int,long ,float...
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编程语言 时间:
2014-05-24 23:07:59
阅读次数:
387
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...
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其他好文 时间:
2014-05-23 01:43:01
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253
Problem 2: Even Fibonacci numbers
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be:
1, 2,...
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其他好文 时间:
2014-05-22 23:29:44
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435
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