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Orlov [11]
3 years ago
8

We are given a set of n countries that are engaged in trade with one another. For each country i, we have the value si of its bu

dget surplus; this number may be positive or negative, with a negative number indicating a deficit. For each pair of countries i, j, we have the total value eij of all exports from i to j; this number is always nonnegative. We say that a subset S of the countries is free-standing if the sum of the budget surpluses of the countries in S, minus the total value of all exports from countries in S to countries not in S, is nonnegative.Give a polynomial-time algorithm that takes this data for a set of n countries and decides whether it contains a nonempty free-standing subset that is not equal to the full set.
Computers and Technology
1 answer:
olga_2 [115]3 years ago
6 0

Answer: what is this

Explanation:

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Answer:

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Explanation:

8 0
4 years ago
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givi [52]
The HTML is the answer
5 0
3 years ago
Assignment 2: Room area
Y_Kistochka [10]

Answer:

a = float(input("Enter Side A: "))

b = float(input("Enter Side B: "))

c = float(input("Enter Side C: "))

d = float(input("Enter Side D: "))

e = float(input("Enter Side E: "))

area1 = 1.0* a * b

area2 = (a - c) * (d - e -b)

area3 = 0.5 * (a - c) * e

print ("Room Area: " + str(area1 + area2 + area3))

Explanation:

happy to help ^3^

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3 years ago
In many DBMSs where no strict separation of levels is maintained, this one language is used by the DBA and database designers to
marissa [1.9K]

Answer: False

Explanation:

This means that the mappings between the two schemas may be specified in either one of these languages.In most relational DBMSs today, there is no specific language that performs the role of SDL. Instead, the internal schema is specified by a combination of functions, parameters, and specifications related to storage. These permit the DBA staff to control indexing choices and mapping of data to storage

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3 years ago
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