Given a non-empty array containing only positive integers, find if the array can be partitioned into two subsets such that the sum of elements in both ...
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其他好文 时间:
2019-02-19 23:32:06
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317
算法描述: Given two integers representing the numerator and denominator of a fraction, return the fraction in string format. If the fractional part is rep ...
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其他好文 时间:
2019-02-19 13:38:24
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125
18、(8-7) choose twoWhich two statements are true regarding views? (Choose two.) A) A simple view in which column aliases have been used cannot be upda ...
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其他好文 时间:
2019-02-19 10:22:14
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184
Politics time limit per test 4 seconds memory limit per test 256 megabytes Problem Description There are nn cities in the country. Two candidates are ...
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其他好文 时间:
2019-02-18 23:17:09
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203
论文中的解法是离线插入 $O(\log n)$ 询问 $O(\log n)$ 的,不过我发现有一种离线插入 $O(1)$ 询问 $O(\log n)$ 的方法。 首先我们离线处理,将两个串连在一起。我们以 $ababa$ 和 $aba$ 为例: 比如现在我们要询问 $A$ 串 $[1,4]$ 和 $ ...
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其他好文 时间:
2019-02-18 14:31:27
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201
Critical Links 题目链接:https://vjudge.net/problem/UVA-796 Description: In a computer network a link L, which interconnects two servers, is considered cri ...
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其他好文 时间:
2019-02-17 23:52:42
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284
题目链接:Roman and Browser 题目原文 This morning, Roman woke up and opened the browser with 𝑛 opened tabs numbered from 1 to 𝑛. There are two kinds of tabs: ...
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其他好文 时间:
2019-02-17 22:04:49
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173
报数序列是一个整数序列,按照其中的整数的顺序进行报数,得到下一个数。其前五项如下: 1 被读作 "one 1" ("一个一") , 即 11。11 被读作 "two 1s" ("两个一"), 即 21。21 被读作 "one 2", "one 1" ("一个二" , "一个一") , 即 1211。 ...
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其他好文 时间:
2019-02-17 22:00:02
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151
题目要求 Consider all the leaves of a binary tree. From left to right order, the values of those leaves form a leaf value sequence. Two binary trees are c ...
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其他好文 时间:
2019-02-17 11:15:34
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185
Treblecross is a two player game where the goal is to get three X in a row on a one-dimensional board. At the start of the game all cells in the board ...
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其他好文 时间:
2019-02-17 10:35:40
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182