# Answer to Question #5721 in C++ for Naveed Qurban

Question #5721

Perform the following tasks.

a) Make an array of size 10.

b) Put random data in it.

c) Find Minimum

d) Find Maximum

e) Find Average

f) Find Standard-deviation

g) Find even values in array.

h) Find odd values in array.

i) Find prime number in array

j) Find co-prime number in array

k) Find values greater than k, where k is entered by the user.

a) Make an array of size 10.

b) Put random data in it.

c) Find Minimum

d) Find Maximum

e) Find Average

f) Find Standard-deviation

g) Find even values in array.

h) Find odd values in array.

i) Find prime number in array

j) Find co-prime number in array

k) Find values greater than k, where k is entered by the user.

Expert's answer

#include <iostream>

#include <cstdlib>

#include

<cmath>

using namespace std;

int main(int argc, char*

argv[]){

int const ARRAY_SIZE = 10;

int data[ARRAY_SIZE];

int min,max,k;

double avg = 0, std = 0;

cout << "Created

data: " << endl;

for(int i = 0; i < ARRAY_SIZE; ++i){

data[i] = (int)rand(); // random data

cout << data[i] <<

' ';

avg += data[i]; // sum of all elements

}

avg /=

ARRAY_SIZE; // average

cout << endl << "Average: "

<< avg << endl;

min = data[0];

max = data[0];

for (int i = 1; i < ARRAY_SIZE; ++i){

if (data[i] > max) max =

data[i]; // maximum

if (data[i] < min) min = data[i]; //

minimum

}

cout << "Maximum: " << max <<

endl;

cout << "Minimum: " << min << endl;

//

standart deviation calculation begin

for (int i = 0; i < ARRAY_SIZE;

++i){

std += pow((data[i] - avg),2.0);

}

std /=

(ARRAY_SIZE - 1);

std = sqrt(std);

// end

cout <<

"Standart devation: " << std << endl;

// even

numbers

cout << "Even numbers: ";

for (int i = 0; i <

ARRAY_SIZE; ++i){

if ((data[i] % 2) == 0) cout << data[i]

<< ' ';

}

// end

// odd numbers

cout

<< endl << "Odd numbers: ";

for (int i = 0; i <

ARRAY_SIZE; ++i){

if ((data[i] % 2) != 0) cout << data[i]

<< ' ';

}

// ned

// prime numbers

cout

<< endl << "Prime numbers: ";

for (int i = 0; i <

ARRAY_SIZE; ++i){

int j;

for(j = 2; j <= (data[i] - 1);

++j){

if((data[i] % j) == 0) break;

}

if

(j == data[i]) cout << data[i];

}

// end

//

co-prime numbers

cout << endl << "Co-prime numbers: ";

for (int i = 0; i < ARRAY_SIZE - 1; ++i){

int a = data[i];

int b = data[i+1];

int res = 0;

while(a != b){

if (a > b) a -= b;

else b -= a;

}

if(a == 1) cout << '(' << data[i] << ", " <<

data[i+1] << ") ";

}

// end

// greater then

k

cout << endl << "Please, enter k: ";

cin >>

k;

cout << "Numbers greater then k: ";

for (int i = 0; i

< ARRAY_SIZE; ++i){

if(data[i] > k) cout << data[i]

<< ' ';

}

// end

cout << "\n\n\nEnter any

number to exit : ";

cin >> k;

}

#include <cstdlib>

#include

<cmath>

using namespace std;

int main(int argc, char*

argv[]){

int const ARRAY_SIZE = 10;

int data[ARRAY_SIZE];

int min,max,k;

double avg = 0, std = 0;

cout << "Created

data: " << endl;

for(int i = 0; i < ARRAY_SIZE; ++i){

data[i] = (int)rand(); // random data

cout << data[i] <<

' ';

avg += data[i]; // sum of all elements

}

avg /=

ARRAY_SIZE; // average

cout << endl << "Average: "

<< avg << endl;

min = data[0];

max = data[0];

for (int i = 1; i < ARRAY_SIZE; ++i){

if (data[i] > max) max =

data[i]; // maximum

if (data[i] < min) min = data[i]; //

minimum

}

cout << "Maximum: " << max <<

endl;

cout << "Minimum: " << min << endl;

//

standart deviation calculation begin

for (int i = 0; i < ARRAY_SIZE;

++i){

std += pow((data[i] - avg),2.0);

}

std /=

(ARRAY_SIZE - 1);

std = sqrt(std);

// end

cout <<

"Standart devation: " << std << endl;

// even

numbers

cout << "Even numbers: ";

for (int i = 0; i <

ARRAY_SIZE; ++i){

if ((data[i] % 2) == 0) cout << data[i]

<< ' ';

}

// end

// odd numbers

cout

<< endl << "Odd numbers: ";

for (int i = 0; i <

ARRAY_SIZE; ++i){

if ((data[i] % 2) != 0) cout << data[i]

<< ' ';

}

// ned

// prime numbers

cout

<< endl << "Prime numbers: ";

for (int i = 0; i <

ARRAY_SIZE; ++i){

int j;

for(j = 2; j <= (data[i] - 1);

++j){

if((data[i] % j) == 0) break;

}

if

(j == data[i]) cout << data[i];

}

// end

//

co-prime numbers

cout << endl << "Co-prime numbers: ";

for (int i = 0; i < ARRAY_SIZE - 1; ++i){

int a = data[i];

int b = data[i+1];

int res = 0;

while(a != b){

if (a > b) a -= b;

else b -= a;

}

if(a == 1) cout << '(' << data[i] << ", " <<

data[i+1] << ") ";

}

// end

// greater then

k

cout << endl << "Please, enter k: ";

cin >>

k;

cout << "Numbers greater then k: ";

for (int i = 0; i

< ARRAY_SIZE; ++i){

if(data[i] > k) cout << data[i]

<< ' ';

}

// end

cout << "\n\n\nEnter any

number to exit : ";

cin >> k;

}

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