std::map插入已存在的key时，key对应的内容不会被更新，如果不知道这一点，可能会造成运行结果与预期的不一致“Because element keys in amapare unique, the insertion operation checks whether each inserte...
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其他好文 时间：
2014-08-19 10:38:03
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226
Problem Description
Astronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level of a star be an amount of the stars tha...
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其他好文 时间：
2014-08-18 23:37:23
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306
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 shoul...
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其他好文 时间：
2014-08-18 21:53:12
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341
Given a string s and a dictionary of words dict, add spaces in s to construct a sentence where each word is a valid dictionary word.
Return all such possible sentences....
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其他好文 时间：
2014-08-18 20:36:22
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231
Edit Distance
Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.)
You have the following 3 operati...
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其他好文 时间：
2014-08-18 20:35:02
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206
①、特性首个单词为标签，有一些不能识别的标签可作为code，如each for case if else if unlesszen coding风格添加标签，如.nb#hello 生成 缩进必须统一使用tab或space，否则会报错通过缩进来表示嵌套关系，这个很重要！如p a 生成 ②、codi.....
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其他好文 时间：
2014-08-18 20:26:02
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310
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /.
Each operand may be an integer or another expression.
Some examples:
["2", "1", ...
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其他好文 时间：
2014-08-18 18:42:42
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215
TOYS
Time Limit: 2000MS Memory Limit: 65536K
Total Submissions: 10425 Accepted: 5002
Description
Calculate the number of toys that land in each bin of a partitioned toy box.
Mom and dad have a...
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其他好文 时间：
2014-08-18 18:38:13
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307
Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.)...
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其他好文 时间：
2014-08-18 16:21:57
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148
3231 - Fair ShareAsia - Seoul - 2004/2005You are given N processors and M jobs to be processed. Two processors are specified to each job. To processth...
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其他好文 时间：
2014-08-18 14:14:32
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278
