Dropping BallsA number of K balls are dropped one by one from the root of a fully binary tree structure FBT. Each time the ball ...
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其他好文 时间：
2015-02-01 00:26:17
阅读次数：
175
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 st...
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其他好文 时间：
2015-01-31 20:40:11
阅读次数：
119
https://oj.leetcode.com/problems/edit-distance/Given two wordsword1andword2, find the minimum number of steps required to convertword1toword2. (each o...
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其他好文 时间：
2015-01-31 20:35:21
阅读次数：
203
Total Accepted: 32226
Total Submissions: 117691
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in
C where the candidate numbers sums to T.
...
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其他好文 时间：
2015-01-31 16:21:19
阅读次数：
137
select * from? (select t.*, row_number() over(partition by 分组字段 order by 排序字段 desc ) rn from tablename t ) where rn=1 select * ? from (select t.*, ? ? ? ? ? ? ? ?row_number() over...
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数据库 时间：
2015-01-31 14:52:59
阅读次数：
127
Q：
Given an array of integers, find two numbers such that they add up to a specific target number.
The function twoSum should return indices of the two numbers such that they add up to the targe...
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其他好文 时间：
2015-01-31 14:40:36
阅读次数：
225
Description As we know,the fzu AekdyCoin is famous of math,especially in the field of number theory.So,many people call him "the descendant of Chen...
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其他好文 时间：
2015-01-31 14:22:35
阅读次数：
290
Given an array of integers, every element appearsthreetimes except for one. Find that single one.Note:Your algorithm should have a linear runtime comp...
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其他好文 时间：
2015-01-31 14:21:18
阅读次数：
324
Factorial digit sum
Problem 20
n! means n × (n ? 1) × ... × 3 × 2 × 1
For example, 10! = 10 × 9 × ... × 3 × 2 × 1 = 3628800,
and the sum of the digits in the number 10! is 3 + 6 + 2 + 8 + ...
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编程语言 时间：
2015-01-31 13:00:55
阅读次数：
177
Follow up for N-Queens problem.
Now, instead outputting board configurations, return the total number ofdistinct solutions.
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Backtracking
#pragma once
#include
using namespace s...
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其他好文 时间：
2015-01-31 12:50:03
阅读次数：
148
