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vivado [14]
3 years ago
12

Write a program that reads a list of integers, and outputs the two smallest integers in the list, in ascending order. The input

begins with an integer indicating the number of integers that follow.Ex: If the input is 5 10 5 3 21 2, the output is:2 3 You can assume that the list of integers will have at least 2 values.To achieve the above, first read the integers into a vector.Hint: Make sure to initialize the second smallest and smallest integers properly.
Computers and Technology
1 answer:
kompoz [17]3 years ago
8 0

Answer:

Following are the program in the C++ programming Language.

//header files

#include <iostream>

#include <vector>

using namespace std;//name space

// define main method

int main()

{

//set integer variables

int size, num;

//get input the size of the list

cout<<"Enter size of list: ";

cin >> size;

//set integer type vector variable

vector<int> vecs;

//Set the for loop

for (int index = 0; index < size; ++index)

{//get elements of the list from the user

cout<<" :";

cin >> num;

//push back the elements of the list

vecs.push_back(num);

}

//storing the first two elements in variable

int n = vecs[0], n1 = vecs[1], current , temp;

//set if conditional statement

if (n > n1)

{

//perform swapping

temp = n;

n = n1;

n1 = temp;

}

//Set for loop

for (int index = 2; index < size; ++index)

{

//store the value of the vector in the variable

current = vecs[index];

//set if conditional statement

if (current < n)

{

//interchange the elements of the variable

n1 = n;

n = current;

}

else if(current < n1)

{

n1 = current;

}

}

//print the value of first two smallest number.

cout <<"\n" <<n << " " << n1 << endl;

return 0;

}

<u>Output:</u>

Enter size of list: 5

:10

:5

:3

:21

:2

2 3

Explanation:

Here, we define the required header files and namespace then, we define "main()" function inside the main function.

  • Set two integer data type variable "size", "num".
  • Print message and get input from the user in variable  "size".
  • Then, we set integer vector type variable "vecs".
  • Set the for loop to get the number of input in the variable "num" from user.
  • Then, we push back the elements of the list and store first two elements of the list in the variable "n", "n1".
  • Set the conditional statement to perform swapping.
  • Define the for loop to store the list of the vector in the integer type variable "current".
  • Finally, we print the value of the two smallest numbers of the list.
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Answer:

Following are the program, which can be below:

import java.util.*; //defining header file

public class NumberStatistics  //defining class NumberStatistics

{

public static void main(String[] arc) //defining main method

{

int total_number=0,max_val=0,min_val=0,neg_val=0,pos_val=0,neg_count=0,pos_count=0,x; //defining variables

Scanner ox= new Scanner(System.in); //creating Scanner class Object

System.out.println("Enter positive and negative value with sign and when complete inter 0:"); //print message  

x= ox.nextInt(); //input value from user

while(x!=0) //defining loop to check input value is 0

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min_val = x;//assign value in min

}

else  //defining else block

{

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max_val = x; //assign maximum value

}

if(min_val > x) //check minimum value

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min_val = x; //assign minimum value

}

}

if(x > 0) //input values  

{

pos_count++; //count positive value

pos_val+=x; // add positive values

}

else  

{

neg_count++;//count negative value

neg_val+=x; // add negative values

}

x = ox.nextInt(); //input values

}

// defining conditionl statement

if(total_number != 0)  // defining if block to print all value

{

System.out.println("positive value average= "+(pos_val/(double)pos_count));

System.out.println("negative values Average= "+(neg_val/(double)neg_count));

System.out.println("all values average= "+(pos_val+neg_val)/(double)total_number);

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System.out.println("no positive values found");

System.out.println("no negative values found");

}

}

}

Output:

Enter positive and negative value with sign and when complete inter 0:

12

8

04

22

-22

-5

9

0

positive value average= 11.0

negative values Average= -13.5

all values average= 4.0

maximum value = 22

minimum value = -22

Explanation:

The Description of the above java program can be described as follows:

  • In the above code first we import the package for user input, then defines the variable "total_number,max_val,min_val,neg_val,pos_val,neg_count, pos_count,x" to store the value prints its value.
  • In the next step, a scanner class object is created for user input and defines a while loop, that checks input value isn't equal to 0, inside the loop a conditional statement defines that cont and calculates all positive, negative, and all values addition.
  • At the another conditional statement is defines, that prints all value average, and also prints maximum, minimum value.
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2. More people means more parts can get done effectively and taking notes is easier.

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      People, not all however, might like the company, there's support and even people skills is enhanced by being in the group.

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