题目链接 Dima loves representing an odd number as the sum of multiple primes, and Lisa loves it when there are at most three primes. Help them to represen ...
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其他好文 时间:
2020-02-12 00:29:05
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85
1 """ 2 Given the head of a linked list, we repeatedly delete consecutive sequences of nodes that sum to 0 until there are no such sequences. 3 4 Afte ...
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其他好文 时间:
2020-02-01 23:18:44
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83
# 题解 CF446C这是一道数据结构题。 我们先翻译下题目: 给你一个n,给你一个长度为n的序列,给你一个m,给你m此操作,包括区间修改和查询,修改为在一个区间内每个数加上他所对应的斐波那契数,查询为查询区间和。 一看到区间修改和区间查询,我们就可以知道这是一道线段树的题目(不要问我怎么知道的,~ ...
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其他好文 时间:
2020-02-01 16:21:14
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80
Week 1 Quiz: Recurrent Neural Networks(第一周测验:循环神经网络) \1. Suppose your training examples are sentences (sequences of words). Which of the following ref ...
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Web程序 时间:
2020-01-27 22:17:41
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97
"题目" 题意:判断一个DNA序列中,长度为10的子序列,重复次数超过1次的序列! 题解:用一个map 就能搞定了,但是出于时间效率的优化,我们可以用位运算和数组代替map,首先只有四个字母,就可以用00,01,10,11 四个二进制表示,长度为10的序列,可以用长度为20的二进制序列表示。这样每中 ...
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其他好文 时间:
2020-01-27 20:41:23
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68
RxJS is a library for composing asynchronous and event-based programs by using observable sequences. It provides one core type, the Observable, satell ...
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Web程序 时间:
2020-01-21 16:08:30
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133
前言: Oracle中不像SQL Server在创建表的时候使用identity(1001,1)来创建自动增长列,而是需要结合序列(Sequences)和触发器(Triggers)来实现 创建测试表 create table tbluser ( ID NUMBER(10) not null, NAM ...
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数据库 时间:
2020-01-20 19:21:30
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123
You have a set of tiles, where each tile has one letter tiles[i]printed on it. Return the number of possible non-empty sequences of letters you can ma ...
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其他好文 时间:
2020-01-13 10:55:57
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73
Sequence – SV contention Table of Contents Waits for cached sequence when sequence is used from multiple instance Waits for UNCACHED sequences when us ...
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其他好文 时间:
2020-01-12 18:13:31
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85
1. Managing Ordered Sequences with bisect The bisect module offers two main functions bisect and insort that use the binary serach algorithm to quickl ...
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其他好文 时间:
2020-01-05 09:27:35
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78