There are N Customers, M warehouses, and K types of goods. It is known that each customer needs the quantity of each type of goods, each warehouse stores the quantity of each type of goods, and each warehouse carries a variety of goods to each customer's unit cost. Determine whether all warehouses can meet the needs of all customers. If possible, find the minimum total transportation cost.
Question: Because
The problem model out of the true God.It needs to be very difficult to roll out.Originally intended to write a good problem, but the state is not good, did not get this question.You can only leave a hole in the building.It is said that the "simplex algorithm" can be high-speed + bare-figure water over this problem (er, or the problem is a simplex naked question is also. )Stay Pits before you give a link, it should be the best problem on the Internet now:the byv of the Great God:www.byvoid.com/bl
Caption: BZOJ1877 Luogu2153 to split each point into two dots (starting and ending without splitting) give your hyphen e{x,y,z} from the first point of X to the second point of Y (stream 1 fee z), then the second point of each point is connected to the first point (stream 1 fee 0), This ensures that each point passes only once. then start 1 to run the minimum cost maximum flow, to the end of N, the first number of days the answer is the maximum flo
Project Cost Management
Project cost management refers to the management activities of project cost estimation, project budgeting and project cost control in order to ensure that the actual cost of the project does not exceed its budget
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Four cost concepts mentioned in SAP cost accounting: Target Cost, standard cost, planned cost, and actual cost.
This blog post mainly studies the reasons for the time-
1. Cost Accounting Concepts
1.1 Cost center
The cost center is the smallest unit of responsibility within the enterprise and is the specific recipient of each cost. Each cost center must be assigned to a node of the standard hierarchy when the
Cost management is one of the main contents of software project management. It analyzes the problems existing in the current software development cost management process, and puts forward to consider linking progress with cost, the method that matches the workload with the actual cost. Based on the existing estimation
1. The content of this article comes from courseware and student notes of famous universities (on campus, I often see someone buying notes at high prices)2. The instructor does not provide references, so he can only express his gratitude to the author. If your work is referenced, you can reply to the document to supplement the reference.3. I will not answer questions not related to the article, and the article content is also difficult. I am also difficult to answer your questions. If you find a
Shenzhen first mai communication technology Co., Ltd Yellow River Vibration
Fiber to the HOME--FTTH access technology as the future final, once and for all broadband access solutions, in Japan and the United States has been widely used (a total of about 5 million users), in China has been more and more attention. As the first company specializing in the development and production of optical fiber to the Home (FTTH) and fiber to the desktop (Fiber to the DESKTOP--FTTD) equipment, we have recentl
SAP cost elements
Definition:
The cost element is the subject used in the CO module to record the fee, that is, the subject associated with the fi, and there is a difference. These two modules are interrelated through the primary cost elements.
Category:
The classification of cost elements is mainly based on
Mins Blog is the most popular keyword in the recent blogsphere, the way to mins users, we have a lot of opinions, I have been on the BSP is not too cold, so also did not pay attention to, but today saw an article "Rescue sensitive blog or will be ready to accept venture capital offer acquisition", can not help but some The following is a passage in the text:
Mins never received fees from users, and never published a commercial advertisement, the only source of funds is stationmaster Wang Jian. F
The summary of cost management of Kingdee Kis bookkeeping is as follows:First, cost management: The impact of the opening balance adjustment on the cost calculationThe problem is described in the inventory accounting system, the beginning of the cost adjustment, it is necessary to do the corresponding
, capital (including financing), cost, cost, budget, project structure, design management, progress, tendering, contract, procurement, operation, comprehensive management, human resources, employee self-help, sales, customer service, maintenance, Commission, planning, consolidated statements, conference decision-making management, Integration of business such as authorization and approval. The difficulty of
This is a very wide spread on the internet a good article, from a practitioner's point of view of the real analysis of an app from the development to the full cost of the whole process, it is worth referring to and reference. The publication of this article has been granted by the original author.
As an Internet practitioner, the question most asked by friends outside the bank is "how much does it cost to
Minimum Transport Cost Time limit:2000/1000 MS (java/others) Memory limit:65536/32768 K (java/others)Total submission (s): 10562 Accepted Submission (s): 2931 Problem Description These is N cities in Spring country. Between each pair of cities there is one transportation track or none. Now there are some cargo that should being delivered from the one city to another. The transportation fee consists of the parts:The
This topic has not been talked about, but often encountered in the work (although we do not necessarily realize), I also asked some of the boss of the business, whether or not to calculate the lifetime value of their customers, most of the answer is not thought of, in the work of Yili, also often encounter new passenger ratio, the cost of new customers and other issues, But basically no one to investigate behind the most fundamental things;
Therefore,
requirements, still need a certain scale of data storage and management systems, for a variety of specifications, a variety of density of storage media and storage facilities, Even the simplest mobile HDD backup system, there are more and more strong prayer.
Common "low cost" demand
The same is true in the field of education, on the one hand, the maturity of the higher education Campus network and the ordinary Education metropolitan Area Network ma
A lot of people will have an impression, feel SEO is free. In fact, many times I would think so, because some keywords to do when the promotion of the need for a very high cost, and some keyword rankings can be maintained after a long time, but free natural maintenance. At this level, it can really be understood as free. But overall, SEO is to cost, although very low, but not equal to free.
With the develo
When we pay attention to the user experience, we need to spend the cost to provide the content of the site or product, and most of the time people feel that the user experience is difficult to quantify. So how much is the cost of improving a user experience? This article is a detailed calculation for you.
I often hear a legend: that there is a shopping site because of the improvement of user purchase proce
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