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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
1807. 斐波纳契数列简单
1807. 斐波纳契数列简单 中文English Find the Nth number in Fibonacci sequence. A Fibonacci sequence is defined as follow: The first two numbers are 0 and 1. The  ...
分类:其他好文   时间:2020-05-02 11:35:04    阅读次数:61
[LeetCode] 255. Verify Preorder Sequence in Binary Search Tree
验证前序遍历序列二叉搜索树。题意是给一个二叉搜索树的前序遍历的结果,请你验证这个结果是否正确。例子, Consider the following binary search tree: 5 / \ 2 6 / \ 1 3 Example 1: Input: [5,2,6,1,3] Output: ...
分类:其他好文   时间:2020-05-02 09:53:55    阅读次数:58
Go语言设计模式(五)
Generator Pattern 生成器模式 Generators yields a sequence of values one at a time. 生成器一次生成一个值序列。 package main import "fmt" func Count(start int, end int) c ...
分类:编程语言   时间:2020-05-01 16:48:52    阅读次数:58
Radix Sort
To illustrate the radix sort algorithm we will sort the sequence S0 = {32, 100, 11, 554, 626, 122, 87, 963, 265, 108, 9}. We start by distributing ele ...
分类:其他好文   时间:2020-05-01 00:45:46    阅读次数:56
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