Answer:
Answer explained below
Explanation:
Below is the code for Greedy change algorithm in C++. Please let me know what does c ,k and represent in the question. so that i can update according to requirement
#include <bits/stdc++.h>
using namespace std;
int deno[] = { 1, 3,9,27,81 };
int n = sizeof(deno) / sizeof(deno[0]);
void findMin(int V)
{
// Initialize result
vector<int> ans;
// Traverse through all denomination
for (int i = n - 1; i >= 0; i--) {
// Find denominations
while (V >= deno[i]) {
V -= deno[i];
ans.push_back(deno[i]);
}
}
// Print result
for (int i = 0; i < ans.size(); i++)
cout << ans[i] << " ";
}
int main()
{
int n = 38;
cout << "Following is minimal number of change for " << n << ": ";
findMin(n);
return 0;
}
Explanation:
it saves time by providing affordable communication, easy to use by helping business people to advertise their goods and services online, they can easily communicate with their business partners anywhere in the world easily.
<u><em>Answer:</em></u>
C.) producers
<u><em>Explanation:</em></u>
Producers are highly significant in an economic model. Producers produce the goods and services that are traded in the marketplace. They also offer employment for bodies who make the goods or who render the services. Producers involve corporations, the management, and people.
For example, the administration is an instance of a producer. The state grants various essential services on which characters rely. These cover mounties and fire aids as well as contributing reliable drinking liquid. Public literacy is also a service rendered by the authority.
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Answer:
c. This would reduce the number of tuples to involve in the join resulting in a more efficient query.
Explanation:
SQL or structured query language is a database querying language used to communicate or interact with databases. A database query could be as simple as returning all the columns from a database table to complex like joining several query results which in turn forms an algebra expression.
Every query statement or expression is executed with time, execution time needs to be minimized for efficiency, so, a well-arranged and reduced joining in the query improves the efficiency of the query.