Given a non-negative integer num represented as a string, remove k digits from the number so that the new number is the smallest possible. Note: The l ...
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其他好文 时间：
2018-04-29 11:41:03
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147
169.Numbers Let us call P(n) - the product of all digits of number n (in decimal notation). For example, P(1243)=1*2*4*3=24; P(198501243)=0. Let us ca ...
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其他好文 时间：
2018-04-27 15:54:56
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143
1001. A+B Format (20) Calculate a + b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (u ...
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其他好文 时间：
2018-04-27 13:47:16
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167
If a machine can save only 3 significant digits, the float numbers 12300 and 12358.9 are considered equal since they are both saved as 0.123*105 with ...
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2018-04-24 21:50:11
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153
#!/usr/bin/python3 # -*- coding: utf-8 -*- import random,string src = string.ascii_letters + string.digits data = random.sample(src,0) data.extend(ran... ...
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编程语言 时间：
2018-04-24 20:21:23
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188
问题描写叙述: You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a ...
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其他好文 时间：
2018-04-18 14:28:23
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Plus One question: Given a non-negative integer represented as a non-empty array of digits, plus one to the integer. You may assume the integer do not ...
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其他好文 时间：
2018-04-16 19:24:32
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225
给定一个非负整数 n，计算各位数字都不同的数字 x 的个数，其中 0 ≤ x < 10n。示例:给定 n = 2，返回 91。（答案应该是除[11,22,33,44,55,66,77,88,99]外，0 ≤ x < 100 间的所有数字） 详见：https://leetcode.com/proble ...
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其他好文 时间：
2018-04-15 16:22:52
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144
题目描述： Given a non-negative integer num, repeatedly add all its digits until the result has only one digit. For example: Given num = 38, the process is ...
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其他好文 时间：
2018-04-14 16:27:57
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161
Additive number is a string whose digits can form additive sequence.A valid additive sequence should contain at least three numbers. Except for the fi ...
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其他好文 时间：
2018-04-14 12:39:05
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161
