Flow Network Python Library

Project description

Flow Network

网络流的工业级应用

Release Drafter Upload Python Package

使用 Dinic 和朴素费用流，算法来自 DuckKnowNothing - 网络流

支持平台

在尝试了各种方法之后，GitHub Actions 在 Windows 平台下始终无法正确编译 C++，所以放弃支持 Windows 平台

Linux
macOS

安装

pip install flow-network

样例代码

from flow_network import MaximumFlow, MinimumCostFlow

mf = MaximumFlow(2)  # 创建一个包含 2 个点的网络流对象，下标从 0 开始
mf.add_edge(0, 1, 3)  # 添加一条从 0 指向 1 的边，流量为 3
result = mf.run(0, 1)  # 指定源点为 0，汇点为 1，跑最大流 & 最小割
print(result)  # 3

mcf = MinimumCostFlow(2)  # 创建一个包含 2 个点的费用流对象，下标从 1 开始
mcf.add_edge(0, 1, 3, 2)  # 添加一条从 0 指向 1 的边，流量为 3，单位流量的费用为 2
flow, cost = mcf.run(0, 1)  # 指定源点为 0，汇点为 1，跑最大流 & 最小费
print(flow, cost)  # 3 6

测试代码

tests.py

Reference

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0.1.13

Mar 23, 2021

0.1.12

Dec 16, 2020

0.1.11

Dec 15, 2020

This version

0.1.10

Nov 5, 2020

0.1.9

Oct 28, 2020

0.1.8

Oct 23, 2020

0.1.7

Oct 23, 2020

0.1.6

Oct 22, 2020

0.1.5

Oct 21, 2020

0.1.4

Oct 21, 2020

0.1.3

Oct 20, 2020

0.1.2

Oct 13, 2020

0.1.1

Oct 13, 2020

0.1.0

Oct 12, 2020

0.0.3

Oct 12, 2020

0.0.2

Oct 12, 2020

0.0.1

Oct 12, 2020

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