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[CF1264B] Beautiful Sequence - 构造,贪心
给你 $ a $ 个 $ 0 $,$ b $ 个 $1$,$ c $ 个 $ 2 $,$ d $ 个 $ 3 $,要求排成一个长度为 $ a+b+c+d $ 的数列,相邻两个差的绝对值为 $ 1 $,并输出任一方案。 ...
分类:其他好文   时间:2020-05-08 22:38:01    阅读次数:90
1051 Pop Sequence
Given a stack which can keep M numbers at most. Push N numbers in the order of 1, 2, 3, ..., N and pop randomly. You are supposed to tell if a given s ...
分类:其他好文   时间:2020-05-08 18:36:48    阅读次数:75
python专题random模块
一 前言 本篇主讲内容为python基础模块random库的基本使用,读者熟悉基本用法即可,需要特殊要求查询官方文档即可 公众号: 知识追寻者 知识追寻者(Inheriting the spirit of open source, Spreading technology knowledge;) 二 ...
分类:编程语言   时间:2020-05-07 15:18:36    阅读次数:67
LC1403 非递增顺序的最小子序列
贪心算法 ...
分类:其他好文   时间:2020-05-05 23:16:39    阅读次数:54
AcWIng343 排序(传递闭包)
使用floyd求取传递闭包,每次都进行判断 #include<bits/stdc++.h> using namespace std; typedef long long ll; const int N=27; int g[N][N]; bool st[N]; int n,m; int d[N][N] ...
分类:编程语言   时间:2020-05-05 10:52:48    阅读次数:62
python中的reduce函数
语法 在python3中,内置函数中已经没有reduce了。要使用reduce,需要从functools模块里引入 可以看到,reduce有三个参数,第一个是函数function,第二个是序列sequence,第三个是initial,为初始值,默认为None 作用 对序列中的元素进行累积 返回值 返 ...
分类:编程语言   时间:2020-05-03 19:00:32    阅读次数:114
LeetCode - Binary Tree Maximum Path Sum
Given a non-empty binary tree, find the maximum path sum. For this problem, a path is defined as any sequence of nodes from some starting node to any ...
分类:其他好文   时间:2020-05-03 14:27:36    阅读次数:67
Reverse order pairs
In a sequence of numbers,we can find some number pairs that conform to the rule below: Assuming that there exist two numbers,N and M and it's position ...
分类:其他好文   时间:2020-05-02 18:46:09    阅读次数:60
1145 Hashing - Average Search Time (25分)
The task of this problem is simple: insert a sequence of distinct positive integers into a hash table first. Then try to find another sequence of inte ...
分类:其他好文   时间:2020-05-02 15:11:59    阅读次数:52
1148 Werewolf - Simple Version (20分)
Werewolf(狼人杀) is a game in which the players are partitioned into two parties: the werewolves and the human beings. Suppose that in a game, player #1 ...
分类:其他好文   时间:2020-05-02 14:51:55    阅读次数:49
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