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Mila [183]
3 years ago
7

The following algorithm adds all the entries in a square n × n array A. Analyze this algorithm where the work unit is the additi

on operation. sum = 0 for i = 1 to n do for j = 1 to n do sum = sum + A[i, j] end for end for write ("Total of all array elements is", sum)

Computers and Technology
1 answer:
wlad13 [49]3 years ago
6 0

Answer:

T(n)=n(n+1)/2

Explanation:

See the attached picture for detailed explanation.

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Unless, you mean print screen - for that, there is a button that should say prt sc on your keyboard for windows, and for Mac, it's cmd <span>+ ctrl + shift + 3 to save to clipboard (or don't hold down the ctrl to save to your desktop).</span>
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3 years ago
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Write a program that displays a menu allowing the user to select air water, or steel. After the user has made a selection, the n
luda_lava [24]

Answer:

// Program is written in C++ Programming Language

// Comments are used for explanatory purpose

// Program starts here

#include<iostream>

using namespace std;

int main ()

{

// Declare Variable

int selection;

// Prompt user to make a selection of medium between air, water or steel.

cout<<"Make Selection"<<'\n'<<"Press 1 for Air"<<'\n'<<"Press 2 for Water"<<'\n'<<"Press 3 for Steel";

cin>>selection;

// Check for entry

if(selection == 1) {

cout<<"You selected Air"<<'\n';

cout<<"The distance travelled by sound wave in air is 1,125 feet in 1 second";

}

else if(selection == 2) {

cout<<"You selected Water"<<'\n';

cout<<"The distance travelled by sound wave in water is 4859 feet in 1 second";

}

else if(selection == 3) {

cout<<"You selected Steel"<<'\n';

cout<<"The distance travelled by sound wave in steel is 19554 feet in 1 second";

}

else

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return 0;

}

7 0
3 years ago
Choose the correct term to complete the sentence
notka56 [123]

Answer:

popleft

Explanation:

5 0
3 years ago
Give at least five (5) practices that you must observe in your classroom.​
atroni [7]

Answer:

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Given that a function receives three parameters a, b, c, of type double , write some code, to be included as part of the functio
hoa [83]

Answer:

   public static void quad(double a, double b, double c) {

       double D = (Math.pow(b, 2)) - (4 * a * c);

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           System.out.println("no real solutions");

       }

   }

Explanation:

The code snippet above implements the function in Java programming language

As required by the question, the line  double D = (Math.pow(b, 2)) - (4 * a * c); evaluates b squared" - 4ac and assignes the value to the variable D

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