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lesantik [10]
3 years ago
9

Write a program that continually prompts the user for an integer input until input is entered that is less than 0. Each input th

at is accepted is appended to an array named inputs, until an invalid input is given. When the first invalid input is entered the program prints the array and exists.
Computers and Technology
1 answer:
professor190 [17]3 years ago
7 0

Answer:

Following are the program in the C++ Programming Language:

#include <iostream>//header file

using namespace std;//namespane

//set main method

int main() {  

int a[100]; //set integer type array variable

int value, i = 0; //set integer variables

cout<<"Enter less than 0 to exit:"<<endl; //message for exit

cout<<"Enter the integer numbers:"<<endl; //message to enter numbers

do{ //set do while

cin>>value; //get input from the user

a[i++] = value; //append elements in array

}while(value>=0);

i--;  

cout<<"\nArray are:"<<endl;//message for array

for(int k = 0;k<i;k++){ //set for loop

cout<<a[k]<<" "; //print array

}

return 0;

}

<u>Output</u>:

Enter less than 0 to exit:

Enter the integer numbers:

1

2

3

4

5

-1

Array are:

1 2 3 4 5

Explanation:

Here, we set the integer data type main method "main()" and inside it:

  • we set integer type array variable with index value 100.
  • we set two integer type variable "value" and "i" initialize value 0.
  • we set the do-while loop in which we get the input from the user and and append in the array and pass condition if the value is greater then equal to 0.
  • Finally, set for loop and print the elements of an array.

 

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Volgvan

Answer: This is a python code

def lightyear():

   rate=3*100000000   //speed of light

   seconds=365*24*60*60   //number of seconds in 1 year

   return str((rate*seconds)/1000)+" km"    //distance=speed x time

print(lightyear()) //will print value of light hear in kilometers

OUTPUT :

9460800000000.0 km

Explanation:

In the above code, there is a variable rate, which stores the speed of light, i.e. distance traveled by light in 1 second which is in meters. Another variable is seconds, which store the number of seconds in 1 year, which is no of days in 1 year multiplied by the number of hours in a day multiplied by the number of minutes in an hour multiplied by the number of seconds in a minute. Finally, distance is speed multiplied by time, so distance is printed in kilometers and to convert distance in kilometers it is divided by 1000.

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3 years ago
The readline method reads text until an end of line symbol is encountered, how is an end of line character represented
zhannawk [14.2K]

Answer:

\n

Explanation:

readline() method is used to read one line from a file. It returns that line from the file.    

This line from the file is returned as a string. This string contains a \n at the end which is called a new line character.

So the readline method reads text until an end of line symbol is encountered, and this end of line character is represented by \n.

For example if the file "abc.txt" contains the lines:

Welcome to abc file.

This file is for demonstrating how read line works.

Consider the following code:

f = open("abc.txt", "r")  #opens the file in read mode

print(f.readline()) # read one line from file and displays it

The output is:

Welcome to abc file.    

The readline() method reads one line and the print method displays that line.                        

3 0
3 years ago
write a 2d array c program that can capture marks of 15 students and display the maximum mark, the sum and average​
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Answer:

#include <stdio.h>  

int MaxMark(int* arr, int size) {

   int maxMark = 0;

   if (size > 0) {

       maxMark = arr[0];

   }

   for (int i = 0; i < size; i++) {

       if (arr[i] > maxMark) {

           maxMark = arr[i];

       }

   }

   return maxMark;

}

int SumMarks(int* arr, int size) {

   int sum = 0;

   for (int i = 0; i < size; i++) {

       sum += arr[i];

   }

   return sum;

}

float AvgMark(int* arr, int size) {

   int sum = SumMarks(arr, size);

   return (float)sum / size;

}

int main()

{

   int student0[] = { 7, 5, 6, 9 };

   int student1[] = { 3, 7, 7 };

   int student2[] = { 2, 8, 6, 1, 6 };

   int* marks[] = { student0, student1, student2 };

   int nrMarks[] = { 4, 3, 5 };

   int nrStudents = sizeof(marks) / sizeof(marks[0]);

   for (int student = 0; student < nrStudents; student++) {              

       printf("Student %d: max=%d, sum=%d, avg=%.1f\n",  

           student,

           MaxMark(marks[student], nrMarks[student]),

           SumMarks(marks[student], nrMarks[student]),

           AvgMark(marks[student], nrMarks[student]));

   }

   return 0;

}

Explanation:

Here is an example using a jagged array. Extend it to 15 students yourself. One weak spot is counting the number of marks, you have to keep it in sync with the array size. This is always a problem in C and would better be solved with a more dynamic data structure.

If you need the marks to be float, you can change the types.

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The correct answer to this open question is the following.

Unfortunately, you did not provide any context or background about the situation of Sally and the problem with her slides. We do not know it, just you.

However, trying to be of help, we can comment on the following general terms.

When someone does not meet professional expectations, this means that this individual did not prepare her presentation, lacked technical skills, did not included proper sources, or missed the proper visual aids to make the presentation more attractive and dynamic.

What Sally can improve about her slides is the following.

She can design a better structure for the presentation to have more congruence.

Sally has to clearly establish the goal or goals for her presentation.

She has to add many visuals instead of plain text. This way she can better capture the interest of her audience.

If she can use more vivid colors instead of pale or dark ones, that would be best.

No paragraphs unless necessary. She better uses bullet points.

Take care of the tone of her voice. During her practice, she can record her vice to check how it sounds.

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