Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obstacle and empty space i...
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其他好文 时间：
2014-07-22 00:28:36
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169
G. Count the ColorsTime Limit: 2000msMemory Limit: 65536KB64-bit integer IO format:%lld Java class name:MainPainting some colored segments on a line, ...
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其他好文 时间：
2014-07-22 00:23:34
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220
Description
Problem H
Halum
Time Limit : 3 seconds
You are given a directed graph G(V,E) with a set of vertices and edges. Each edge (i,j) that connects some ...
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其他好文 时间：
2014-07-22 00:11:35
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225
Description
Problem H
Halum
Time Limit : 3 seconds
You are given a directed graph G(V,E) with a set of vertices and edges. Each edge (i,j) that connects some ...
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其他好文 时间：
2014-07-22 00:08:34
阅读次数：
307
Building Roads
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 8999
Accepted: 2596
Description
Farmer John had just acquired several new farms! He wants to...
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其他好文 时间：
2014-07-21 23:29:43
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232
Description
Advanced Cargo Movement, Ltd. uses trucks of different types. Some trucks are used for vegetable delivery, other for furniture, or for bricks. The company has its own code describing each...
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其他好文 时间：
2014-07-21 22:38:48
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286
Sum of Consecutive Prime Numbers
Description
Some positive integers can be represented by a sum of one or more consecutive prime numbers. How many such representations does a given positive ...
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其他好文 时间：
2014-07-21 22:18:12
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222
Distinct Subsequences
A subsequence of a given sequence is just the given sequence with some elements (possibly none) left out. Formally, given a sequence X = x1x2…xm,
another sequence Z = z1...
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其他好文 时间：
2014-07-21 15:44:16
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244
题目：Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2).You are given a target ....
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编程语言 时间：
2014-07-21 14:37:05
阅读次数：
266
This version of MySQL doesn't yet support 'LIMIT & IN/ALL/ANY/SOME subquery'的意思是，这版本的 MySQL 不支持使用 LIMIT 子句的 IN/ALL/ANY/SOME 子查询，即是支持非 IN/ALL/ANY/SOME ...
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数据库 时间：
2014-07-21 14:13:39
阅读次数：
238
