I wrote this program that will accept ten numbers and then the program will sort the given number and display the sorted values using shell sort algorithm using C++ programming language.
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Sample Program Output
Program Listing
shell.cpp
// shell_sort.cpp
// Jake R. Pomperada, MAED-IT
// December 2, 2019
#include <iostream>
using namespace std;
void shellSort(int array[], int n)
{
for (int gap = n / 2; gap > 0; gap /= 2)
{
for (int i = gap; i < n; i += 1)
{
int temp = array[i];
int j;
for (j = i; j >= gap && array[j - gap] > temp; j -= gap)
{
array[j] = array[j - gap];
}
array[j] = temp;
}
}
}
void printArray(int array[], int size)
{
int i;
cout <<"\t";
for (i = 0; i < size; i++)
cout <<" " << array[i] << " ";
cout << endl;
}
int main()
{
int data[10];
cout <<"\n\n";
cout << "\tShell Sort in C++";
cout <<"\n\n";
for (int a=0; a<10; a++) {
cout << "\tEnter item value number " <<a+1 <<" : ";
cin >> a[data];
}
cout <<"\n\n";
cout << "\tUnSorted array: \n";
cout <<"\n\n";
cout <<"\t";
for (int a=0; a<10; a++) {
cout <<" " <<a[data] <<" ";
}
cout <<"\n\n";
int size = sizeof(data) / sizeof(data[0]);
shellSort(data, size);
cout << "\tSorted array: \n";
cout <<"\n\n";
printArray(data, size);
}