Given a non-negative integer n, count all numbers with unique digits, x, where 0 ≤ x < 10n. 给出一个非负整数n,计算出所有没有重复数字的x,其中0≤x<10n。 Example: Given n = 2, r ...
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其他好文 时间:
2016-07-08 13:26:46
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116
A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determine t ...
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编程语言 时间:
2016-06-30 12:46:47
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162
Given a non-negative number represented as a singly linked list of digits, plus one to the number. The digits are stored such that the most significan ...
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其他好文 时间:
2016-06-29 13:05:58
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148
题目链接:https://leetcode.com/problems/count-numbers-with-unique-digits/题目:
Given a non-negative integer n, count all numbers with unique digits, x, where 0 ≤ x < 10n.Example:
Given n = 2, return 91. (Th...
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其他好文 时间:
2016-06-29 11:14:05
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157
In MySQL, DECIMAL(M,D) and NUMERIC(M,D) are the same, and both have a precision of exactly M digits. For example, a DECIMAL(18,9) column has nine digi ...
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其他好文 时间:
2016-06-27 01:31:01
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114
Difficulty: Medium You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their node ...
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其他好文 时间:
2016-06-26 21:13:07
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203
Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 whic ...
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其他好文 时间:
2016-06-26 11:33:15
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111
Given a non-negative number represented as an array of digits, plus one to the number. The digits are stored such that the most significant digit is a ...
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其他好文 时间:
2016-06-24 23:39:28
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190
题目:
A message containing letters from A-Z is being encoded to numbers using the following mapping:'A' -> 1
'B' -> 2
...
'Z' -> 26Given an encoded message containing digits, determine the total number...
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其他好文 时间:
2016-06-24 14:58:41
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192
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 single ...
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其他好文 时间:
2016-06-24 12:41:43
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143