A message containing letters from A-Z is being encoded to numbers using the following mapping:'A' -> 1 Given an encoded message containing digits, det ...
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其他好文 时间:
2017-05-16 00:36:16
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662
原题目: A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determ ...
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其他好文 时间:
2017-05-14 23:47:51
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359
本文介绍Python3中String模块ascii_letters和digits方法,其中ascii_letters是生成所有字母,从a-z和A-Z,digits是生成所有数字0-9. 示例如下: >>> chars = string.ascii_letters + string.digits >> ...
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编程语言 时间:
2017-05-12 09:36:48
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174
Given a positive 32-bit integer n, you need to find the smallest 32-bit integer which has exactly the same digits existing in the integer n and is gre ...
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编程语言 时间:
2017-05-10 19:47:08
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207
Given two arrays of length m and n with digits 0-9 representing two numbers. Create the maximum number of length k <= m + n from digits of the two. Th ...
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其他好文 时间:
2017-05-10 15:38:36
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95
Given a non-negative integer num, repeatedly add all its digits until the result has only one digit. Example Given num = 38. The process is like: 3 + ...
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其他好文 时间:
2017-05-10 15:37:57
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132
1 import string,random 2 #通过string模块生成大小写字母和0-9数字 3 s = string.ascii_letters+string.digits 4 #从所有字母和数字中随机提取6个数字 5 print(''.join(random.sample(s,6))) # ...
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编程语言 时间:
2017-05-09 22:25:42
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205
题目: You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes co ...
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其他好文 时间:
2017-05-08 00:28:06
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176
题目: Given a string that contains only digits 0-9 and a target value, return all possibilities to add binary operators (not unary) +, -, or * between t ...
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其他好文 时间:
2017-05-07 22:06:13
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217
题目: A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determi ...
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其他好文 时间:
2017-05-06 21:46:54
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181