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Answer to Question #71834 in C++ for m

Question #71834
12/ Write two function to solve (Write a program that asks the user to enter an array of random numbers, then sort the numbers (descending order), after that reverse it (the first element will be the last…). )
The first function to sort the numbers and the second function to reverse the result of the first function.
Expert's answer
#include <iostream>

using namespace std;

void sortArray(double *arr, int n)
{
double minel; int mini;
for(int i = 0; i < n - 1; ++i)
{
minel = arr[i];
mini = i;
for(int j = i + 1; j < n; ++j)
{
if(arr[j] > minel)
{
minel = arr[j];
mini = j;
}
}
arr[mini] = arr[i];
arr[i] = minel;
}
}

void reverseArr(double *arr, int n)
{
double change;
for(int i = 0; i < n / 2; ++i)
{
change = arr[i];
arr[i] = arr[n - i - 1];
arr[n - i - 1] = change;
}
}
int main()
{
int n;
double *arr;
cout << "Please enter the number of array elements: "; cin >> n;
arr = new double [n];
for(int i = 0; i < n; ++i)
{
cout << "Please enter the element # " << (i + 1) << ": "; cin >> arr[i];
}

sortArray(arr, n);
cout << "The sorted array:\n";
for(int i = 0; i < n; ++i)
{
cout << arr[i] << " ";
}

reverseArr(arr, n);
cout << "\nThe reversed array:\n";
for(int i = 0; i < n; ++i)
{
cout << arr[i] << " ";
}
return 0;
}

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