2023. Donald is a postman
Time limit: 1.0 second
Memory limit: 64 MB
Donald Duck works as a postman for the Walt Disney Studios. He delivers children’s letters from all over the world to ...
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其他好文 时间：
2015-03-09 12:55:23
阅读次数：
172
A message containing letters from A-Z is being encoded to numbers using the following mapping:
'A' -> 1
'B' -> 2
...
'Z' -> 26
Given an encoded message containing digits, determine the total number...
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其他好文 时间：
2015-03-09 01:44:34
阅读次数：
128
Given a digit string, return all possible letter combinations that the number could represent.
A mapping of digit to letters (just like on the telephone buttons) is given below.
Input:Digit string...
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其他好文 时间：
2015-03-07 01:02:15
阅读次数：
210
题目描述：Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the tel...
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其他好文 时间：
2015-03-05 16:43:43
阅读次数：
156
A message containing letters fromA-Zis being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message conta...
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其他好文 时间：
2015-03-04 16:29:55
阅读次数：
129
Assume s is a string of lower case characters.
Write a program that prints the longest substring of s in which the letters occur in alphabetical order. For example, if s = 'azcbobobegghakl', then y...
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编程语言 时间：
2015-03-03 22:17:49
阅读次数：
805
Assume s is a string of lower case characters.Write a program that prints the longest substring of s in which the letters occur in alphabetical order....
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编程语言 时间：
2015-03-03 18:11:29
阅读次数：
376
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo...
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其他好文 时间：
2015-03-02 23:48:30
阅读次数：
157
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo...
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其他好文 时间：
2015-03-02 18:25:51
阅读次数：
154
Time Limit:3000MS Memory Limit:0KBDescriptionMost crossword puzzle fans are used to anagrams--groups of words with the same letters in different order...
