【题目】
Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties:
Integers in each row are sorted from left to right.
The first integer of each row is greater than the last integer of the previous ...
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其他好文 时间:
2014-06-05 08:28:43
阅读次数:
321
链接:http://poj.org/problem?id=3259
Description
While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a one-way path t...
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其他好文 时间:
2014-06-05 05:26:33
阅读次数:
240
【题目】
Given an array of words and a length L, format the text such that each line has exactly L characters and is fully (left and right) justified.
You should pack your words in a greedy approach; that is, pack as many words as you can in each line. Pad ...
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其他好文 时间:
2014-06-04 22:37:46
阅读次数:
389
Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100,0...
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其他好文 时间:
2014-06-03 05:30:23
阅读次数:
394
Rope Folding [Brian Dean, 2012]时间限制: 1 Sec
内存限制: 128 MB题目描述Farmer John has a long rope of length L (1 =f(i)的最大i值,递归即可。Work
Scheduling [Richard Peng, ....
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其他好文 时间:
2014-06-02 17:40:21
阅读次数:
1039
Y2K Accounting BugDescriptionAccounting for
Computer Machinists (ACM) has sufferred from the Y2K bug and lost some vital
data for preparing annual rep...
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其他好文 时间:
2014-06-02 00:57:42
阅读次数:
386
Merge Sorted ArrayGiven two sorted integer
arrays A and B, merge B into A as one sorted array.Note: You may assume that A
has enough space (size that ...
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其他好文 时间:
2014-06-01 12:04:32
阅读次数:
175
题目:
给定一个字符串,返回该串没有重复字符的最长子串。
分析:
1)子串:子串要求是连续的。
2)无重复,出现重复就断了,必须从新的位置开始。而新的位置就是重复字符第一次出现位置的下一个位置。
3)整个串可能没有一处重复。
那么,为了找出当前访问的字符是否出现过,要怎么做呢?当然是hash,O(1)的时间,而且既然是字符, 定义个255的hash table 就可以了,has...
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其他好文 时间:
2014-06-01 10:48:31
阅读次数:
206
【题目】
Given two sorted integer arrays A and B, merge B into A as one sorted array.
Note:
You may assume that A has enough space (size that is greater or equal to m + n) to hold additional elements from B. The number of elements initialized in A and B are...
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其他好文 时间:
2014-06-01 09:21:16
阅读次数:
292
Description
T. Chur teaches various groups of students at university U. Every U-student has a unique Student Identification Number (SIN). A SIN s is an integer in the range 0 ≤ s ≤ MaxSIN with MaxS...
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其他好文 时间:
2014-06-01 07:40:18
阅读次数:
248