Problem H
{sum+=i++} to Reach N
Input: standard input
Output: standard output
Memory Limit: 32 MB
All the positive numbers can be expressed as a sum of one, two or more consecutive positive i...
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其他好文 时间:
2014-07-31 20:58:37
阅读次数:
199
Problem Description:
Given an array of integers, find two numbers such that they add up to a specific target number.
The function twoSum should return indices of the two numbers such that they...
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其他好文 时间:
2014-07-31 20:48:17
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215
Problem Description:
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbe...
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其他好文 时间:
2014-07-31 20:47:17
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215
Description
Recall the definition of the Fibonacci numbers:
f1 := 1
f2 := 2
fn := fn-1 + fn-2 (n>=3)
Given two numbers a and b, calculate how many Fibonacci numbers are in the range...
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其他好文 时间:
2014-07-31 17:11:07
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325
Description
The inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj) that satisfy i aj.
For a given sequence of numbers a1, a2, ..., an, if we move the ...
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其他好文 时间:
2014-07-31 13:31:46
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229
Problem DescriptionGive you three sequences of numbers A, B, C, then we give you a number X. Now you need to calculate if you can find the three numbe...
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其他好文 时间:
2014-07-31 12:54:46
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704
1 f [4] => e [3] => d [2] => c [1] => b [0] => a ) 9 */10 11 12 13 $numbers = array(1,2,3,4,5,6,7,8);14 arsort($numbers);15 print_r($numbers);16 /*...
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Web程序 时间:
2014-07-31 12:48:36
阅读次数:
222
题目就是给一个字符串问最少插入多少个字符能让原字符串变为回文字符串。算法:用原串的长度减去原串与翻转后的串的最大公共字串的长度,就是所求答案。 1 //#define LOCAL 2 #include 3 #include 4 #include 5 #include 6 using name...
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其他好文 时间:
2014-07-31 12:24:36
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220
假如F[1] = a, F[2] = B, F[n] = F[n - 1] + F[n - 2]。写成矩阵表示形式可以很快发现F[n] = f[n - 1] * b + f[n - 2] * a。 f[n] 是斐波那契数列也就是我们如果知道一段区间的前两个数增加了多少,可以很快计算出这段区间的第k个...
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其他好文 时间:
2014-07-31 09:47:46
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286
数位DP。。。。
Palindromic Numbers
Time Limit: 2000MS
Memory Limit: 32768KB
64bit IO Format: %lld & %llu
[Submit] [Go Back] [Status]
Description
A palindro...
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其他好文 时间:
2014-07-31 03:04:56
阅读次数:
247