Cat vs. DogTime Limit: 2000/1000 MS
(Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s):
1422Accepted Submission(s): 534Problem ...
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其他好文 时间:
2014-05-30 03:30:21
阅读次数:
292
Sepearable 2D EDT, going to extend to 3D in
order to calculate the Signed Distance Function(Field)Cost 0.75s to generate the
SDF at 768^2
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其他好文 时间:
2014-05-28 03:13:14
阅读次数:
276
来源:在日常的生活中我们最经常使用的距离毫无疑问应该是欧式距离,但是对于一些特殊情况,欧氏距离存在着其很明显的缺陷,比如说时间序列,举个比较简单的例子,序列A:1,1,1,10,2,3,序列B:1,1,1,2,10,3,如果用欧氏距离,也就是distance[i][j]=(b[j]-a[i])*(b...
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其他好文 时间:
2014-05-28 01:47:15
阅读次数:
402
问题 E: Distance
时间限制: 1 Sec 内存限制: 128 MB
提交: 48 解决: 12
[提交][状态][论坛]
题目描述
There is a battle field. It is a square with the side length 100 miles, and unfortunately we have two comrades who get ...
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其他好文 时间:
2014-05-26 05:57:27
阅读次数:
325
用数学的方法描述语言规律贾里尼克:一个句子是否合理,等同于判断其可能性的大小,用概率来衡量Markov模型:简化条件概率运算。二元模型 Bigram
model,N元模型为什么合理?上下文相关,短程依赖。不足之处:忽略长程依赖性 Long Distance DependencyN的取值?tradeo...
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其他好文 时间:
2014-05-25 23:12:32
阅读次数:
262
题目:给定两个字符串word1,word2,将word2变成word1所需的最小步数。规定只能用以下三种操作进行修改,且每种操作的步数都计为1.
op1:插入一个字符
op2:删除一个字符
op3:替换一个字符
例:
word1 = word, word2 = wore, 则将wore的e替换为d则可。
word1 = word,word2 = wor,则在wor的后面插入一个d则可...
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其他好文 时间:
2014-05-25 22:56:24
阅读次数:
303
Problem Description
We have a special convex that all points have the same distance to origin point.
As you know we can get N segments after linking the origin point and the points on the convex. ...
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其他好文 时间:
2014-05-25 09:50:19
阅读次数:
217
Problem Description
We have a special convex that all points have the same distance to origin point.
As you know we can get N segments after linking the origin point and the points on the convex. ...
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其他好文 时间:
2014-05-25 06:55:54
阅读次数:
188
var cat ={};cat.mouse = function(){var
b="1111"};var dog = cat;console.log(dog);console.log(dog.mouse);dog.mouse =
function(){var b="2222"};dog.hat="....
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其他好文 时间:
2014-05-24 09:59:18
阅读次数:
246