Palindrome NumberDetermine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Some hints:Could negative integers b...
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其他好文 时间:
2014-07-18 15:17:26
阅读次数:
201
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Description
Problem H: Partitioning by Palindromes
We say a sequence of characters is a palindrome if it is the same written forwards and backwards. For example, 'racecar' is a palindrome,...
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其他好文 时间:
2014-07-18 15:13:10
阅读次数:
266
Smith Numbers
Background
While skimming his phone directory in 1982, Albert Wilansky, a mathematician of Lehigh University , noticed that the telephone number of his brother-in-law H. Smith had ...
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其他好文 时间:
2014-07-18 13:28:06
阅读次数:
234
Palindrome
Time Limit: 3000MS
Memory Limit: 65536K
Total Submissions: 51913
Accepted: 17877
Description
A palindrome is a symmetrical string, that is, a string read ide...
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其他好文 时间:
2014-07-18 12:21:25
阅读次数:
207
Given a strings, partitionssuch that every substring of the partition is a palindrome.Return all possible palindrome partitioning ofs.For example, giv...
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其他好文 时间:
2014-07-18 12:12:12
阅读次数:
222
写这个就是为了手写一份好用的求割点模板:
吐槽下,题目中的 Each of the next at most N lines contains the number of a place followed by the numbers of some places to which there is a direct line from this place. 这个at most是不可信的,应...
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其他好文 时间:
2014-07-18 11:29:34
阅读次数:
232
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.
Find the to...
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其他好文 时间:
2014-07-18 11:13:57
阅读次数:
204
Double HappinessOn the math lesson a teacher asked each pupil to come up with his own lucky numbers. As a fan of number theory Peter chose prime numbe...
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移动开发 时间:
2014-07-18 00:12:12
阅读次数:
616
Summation of Four Primes
Input: standard input
Output: standard output
Time Limit: 4 seconds
Euler proved in one of his classic theorems that prime numbers are infinite in number. But can every nu...
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其他好文 时间:
2014-07-17 21:05:16
阅读次数:
299
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Sum of Consecutive Prime Numbers
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 18782
Accepted: 10308
Description
Some positive integers can be represen...
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其他好文 时间:
2014-07-17 19:15:16
阅读次数:
260