题目:Almost Prime Numbers是只有一个素数因子的数,统计一个区间中的Almost Prime Numbers。
分析:数论,分治。根据定义可知Almost Prime Numbers就是素数的幂(大于1次)。
首先,利用筛法计算出1000000内的素数(至少的素数的平方);
然后,计算所有的素数的小于1000000000000...
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其他好文 时间:
2014-10-09 02:24:57
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162
Problem EGame of SumInput File:e.inOutput:Standard OutputThis is a two player game. Initially there areninteger numbers in an array and playersAandBge...
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其他好文 时间:
2014-10-07 23:09:04
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298
Determine whether an integer is a palindrome. Do this without extra space.Some hints:Could negative integers be palindromes? (ie, -1)If you are thinki...
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其他好文 时间:
2014-10-07 19:09:53
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180
DescriptionThe Fibonacci sequence is the sequence of numbers such that every element is equal to the sum of the two previous elements, except for the ...
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其他好文 时间:
2014-10-07 13:38:23
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169
Problem A
Make Palindrome
Input: standard input
Output: standard output
Time Limit: 8 seconds
By definition palindrome is a string which is not changed when reversed. "MADAM" is a nice example...
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其他好文 时间:
2014-10-07 12:44:13
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176
[问题描述]Given a strings, partitionssuch that every substring of the partition is a palindrome.Return the minimum cuts needed for a palindrome partitioni...
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其他好文 时间:
2014-10-07 01:23:32
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341
谋事在人,成事在天[问题描述]Given a strings, partitionssuch that every substring of the partition is a palindrome.Return all possible palindrome partitioning ofs.F...
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其他好文 时间:
2014-10-07 00:28:22
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232
Given amxngrid filled with non-negative numbers, find a path from top left to bottom right whichminimizesthe sum of all numbers along its path.Note:Yo...
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其他好文 时间:
2014-10-06 21:14:50
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220
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.Each numb...
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其他好文 时间:
2014-10-06 13:41:10
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154
1050. Numbers & LettersConstraintsTime Limit: 3 secs, Memory Limit: 32 MBDescriptionIn the early 80’s, a popular TV show on Dutch television was ‘Cijf...
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其他好文 时间:
2014-10-06 13:18:40
阅读次数:
211