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ICE Princess25 [194]
3 years ago
10

Write a statement that declares a prototype for a function printArray, which has two parameters. The first parameter is an array

of element type int and the second is an int, the number of elements in the array. The function does not return a value
Computers and Technology
1 answer:
Savatey [412]3 years ago
4 0

Answer:

void printArray(int [],int);

Hope this helps!

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Write and execute a query that will determine the average number of days that automobiles are rented. Show your result broken ou
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Using the knowledge in computational language in SQL it is possible to write a code that query that will determine the average number of days that automobiles are rented

<h3>Writting in SQL:</h3>

<em>select Customer.CID,CName,Age,Resid_City,BirthPlace,</em>

<em>Rentcost.Make,Cost,Rentals.Rtn,Date_Out,Pickup,Date_returned,Return_city</em>

<em>from Customer,Rentcost,Rentals where</em>

<em>Customer.CID=Rentals.CID and Rentcost.Make=Rentals.Make</em>

<em>order by Customer.CID, Rentcost.Make asc;</em>

<em />

<em>select Customer.CID,CName from Customer,Rentals where Customer.CID=Rentals.CID</em>

<em>and Pickup='Cary';</em>

<em />

<em>select distinct(CName),age from Customer,Rentals where Customer.CID=Rentals.CID</em>

<em>and Return_city='Erie' order by CName asc;</em>

<em />

<em>select Customer.CID,CName from Customer,Rentals where Customer.CID=Rentals.CID</em>

<em>and Return_city is null;</em>

<em />

<em>select CName from Customer,Rentals where Customer.CID=Rentals.CID</em>

<em>and Resid_City=Pickup;</em>

See more about SQL at brainly.com/question/13068613

#SPJ1

7 0
2 years ago
In this puzzle you have a list of n pitchers, with known capacities, c1, c2, ... cn, of holding water in gallons. You have a fau
oee [108]

Answer:

See explaination

Explanation:

#include <iostream>

#include <vector>

using namespace std;

// function to print configuration for each pitcher

void printConfig(vector<int> w, int n)

{

cout << "Current configuration: [" << w[0];

for(int i=1; i<n; i++)

{

cout << ", " << w[i];

}

cout << "]" << endl;

}

void getOptions(vector<int> c, vector<int> w, int n, vector<pair<int, pair<int, int>>> &options)

{

// options count

int count = 0;

// fill

for(int i=0; i<n; i++)

{

if(c[i] > w[i] && w[i] >= 0)

{

count ++;

cout << count << ". Fill pitcher " << (i+1) << endl;

// add options to list

options.push_back(make_pair(1, make_pair(i, 0)));

}

}

// empty

for(int i=0; i<n; i++)

{

if(c[i] >= w[i] && w[i] > 0)

{

count++;

cout << count << ". Empty pitcher " << (i+1) << endl;

// add options to list

options.push_back(make_pair(2, make_pair(i, 0)));

}

}

// Pour pitcher i to pitcher j

for(int i=0; i<n; i++)

{

if(c[i] >= w[i] && w[i] > 0)

{

for(int j=0; j<n; j++)

{

if(i!=j && c[j] > w[j] && w[j] >= 0)

{

count++;

cout << count << ". Pour pitcher " << (i+1) << " to " << (j+1) << endl;

// add options to list

options.push_back(make_pair(3, make_pair(i, j)));

}

}

}

}

}

void execute(vector<int> c, vector<int> &w, pair<int, pair<int, int>> option)

{

int i = option.second.first;

// for fill

if(option.first == 1)

{

w[i] = c[i];

}

// empty

else if(option.first == 2)

{

w[i] = 0;

}

// pour

else

{

int j = option.second.second;

if(w[i] >= c[j])

{

w[i] = w[i] - c[j];

w[j] = c[j];

}

else

{

w[j] = w[i];

w[i] = 0;

}

}

}

int main()

{

// required variables

int choice, n, temp, g, flag, moves = 0;

// vectors are dynamic sized arrays

vector<int> c, w;

vector<pair<int, pair<int, int>>> options;

// select puzzle

cout << "Select the puzzle to solve:\n";

cout << "1. Pitchers\n";

cout << "2. Eight puzzle\n";

cout << "Your selection: ";

cin >> choice;

if(choice == 1)

{

// input values required

cout << "Enter the number of pitchers: ";

cin >> n;

// array for pitchers

cout << "Enter the capacities of the " << n << " pitchers (gallons): ";

for(int i=0; i<n; i++)

{

cin >> temp;

c.push_back(temp);

w.push_back(0);

}

cout << "Enter the goal (gallons): ";

cin >> g;

// start game

while(true)

{

// print configuration

printConfig(w, n);

// check for goal state

flag = 0;

for(int i=0; i<n; i++)

{

if(w[i] == g)

{

flag = 1;

break;

}

}

if(flag)

{

cout << "Great! You have reached the goal in " << moves << " moves. Bye." << endl;

break;

}

// get and print options

//empty previous options

options.clear();

getOptions(c, w, n, options);

// ask for user's selection

cout << "Your selection: ";

cin >> choice;

// update moves

moves++;

// perform according to the selection

execute(c, w, options[choice-1]);

}

}

return 0;

}

4 0
3 years ago
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The technology used for sending text messages is MMS. =)
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