Problem DescriptionFor a sequence S1, S2, ... , SN,
and a pair of integers (i, j), if 1 2 #include 3 #include 4 #include 5 using
namespace std...
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其他好文 时间:
2014-05-05 23:50:08
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445
Given two binary strings, return their sum
(also a binary string).For example,a ="11"b
="1"Return"100".思路:一个二进制字符串相加;首先从字符串的末尾开始,先二进制字符转化为数字,然后再相加;然后将...
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其他好文 时间:
2014-05-05 23:10:15
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319
Given an unsorted array of integers, find the
length of the longest consecutive elements sequence.For example,Given [100, 4,
200, 1, 3, 2],The longest...
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其他好文 时间:
2014-05-05 23:01:41
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374
Link:http://oj.leetcode.com/problems/swap-nodes-in-pairs/Given a linked list,
swap every two adjacent nodes and return its head.For example,Given1->2-...
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其他好文 时间:
2014-05-05 22:45:37
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331
Problem
Link:http://oj.leetcode.com/problems/word-ladder/Two typical techniques are
inspected in this problem:Hash Table. One hash set is the words di...
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其他好文 时间:
2014-05-05 22:44:44
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393
Vitaly has an array of n distinct integers. Vitaly wants to divide this array into three non-empty sets
so as the following conditions hold:
The product of all numbers in the first set is less ...
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其他好文 时间:
2014-05-03 23:51:19
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621
Let's consider a triangle of numbers in which a number appears in the first line, two numbers appear in the second line, three in the third line, etc. Develop a program which will compute the largest ...
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其他好文 时间:
2014-05-03 17:32:22
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284
The game of billiards involves two players knocking 3 balls around
on a green baize table. Well, there is more to it, but for our
purposes this is sufficient.
The game consists of several rounds ...
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其他好文 时间:
2014-05-03 16:15:33
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296
本题就是测试读入数据的速度的。
如果有大量的数据读入,使用cin是很慢的。
那么使用scanf那么会快很多,但是如果数据量更大的话那么就还是不够快了。
所以这里使用fread。
首先开一个buffer,然后使用fread大块大块地读入数据就可以非常快地读入了。
题目如下:
Input
The input begins with two positive...
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其他好文 时间:
2014-05-03 16:13:21
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340
Given a set of distinct integers, S, return all possible subsets.
Note:
Elements in a subset must be in non-descending order.The solution set must not contain duplicate subsets.
For exa...
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其他好文 时间:
2014-05-03 15:47:53
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289