Problem Description
In this problem, you are given a string s and q queries.
For each query, you should answer that when all distinct substrings of string s were sorted lexicographically, which ...
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其他好文 时间：
2014-10-03 16:56:54
阅读次数：
249
There are fifty-two cards in a deck, each of which belongs to one of four suits and one of thirteen ranks. The suits are Spades, Hearts, Diamonds, and...
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其他好文 时间：
2014-10-03 16:07:24
阅读次数：
146
ember中数据一般都是以array的形式存储的，控制器使用,如：App.DataController = Em.ArrayController.extend({}); 在模版中使用{{#each}}输出Aarray的每个Object，这时时候可能需要对其进行操作，使用ObjectContro...
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Web程序 时间：
2014-10-03 15:56:34
阅读次数：
217
It's time polar bears Menshykov and Uslada from the zoo of St. Petersburg and elephant Horace from the zoo of Kiev got down to business. In total, there are n tasks
for the day and each animal shoul...
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其他好文 时间：
2014-10-03 02:22:04
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376
一、问题描述Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another ....
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编程语言 时间：
2014-10-03 01:19:13
阅读次数：
227
Problem Description
Jack and Jill play a game called "Leap Frog" in which they alternate turns jumping over each other. Both Jack and Jill can jump a maximum horizontal distance of 10 units in any ...
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其他好文 时间：
2014-10-03 00:03:23
阅读次数：
361
这题要注意 题目中的 each 这个字眼,所以有多个可能 'r'存在,所以从被救的人身上展开搜索比较简单.一开始不知道要使用优先队列,所以一开始是WA.优先队列的操作和队列相似,但是队列中的front()函数要用top()函数代替,其他的操作类似.#include#include#define ma...
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其他好文 时间：
2014-10-02 18:27:13
阅读次数：
145
Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.
For example:
Given the below binary tree and sum
= 22,
5
/ ...
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其他好文 时间：
2014-10-02 18:25:03
阅读次数：
153
Follow up for problem "Populating Next Right Pointers in Each Node".
What if the given tree could be any binary tree? Would your previous solution still work?
Note:
You may only use constant ...
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其他好文 时间：
2014-10-02 14:18:33
阅读次数：
267
Beautiful People
Time Limit: 5 Seconds Memory Limit: 32768 KB Special Judge
The most prestigious sports club in one city has exactly N members. Each of its members is strong and beauti...
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其他好文 时间：
2014-10-02 14:10:43
阅读次数：
180
