This C++ Program demonstrates the implementation of Radix Sort.

Here is source code of the C++ Program to demonstrate the implementation of Radix Sort. The C++ program is successfully compiled and run on a Linux system. The program output is also shown below.

`/*`

`* C++ Program To Implement Radix Sort`

`*/`

`#include <iostream>`

`#include <cstdlib>`

using namespace std;

`/*`

`* get maximum value in arr[]`

`*/`

int getMax(int arr[], int n)

`{`

int max = arr[0];

for (int i = 1; i < n; i++)

if (arr[i] > max)

max = arr[i];

return max;

`}`

`/*`

`* count sort of arr[]`

`*/`

void countSort(int arr[], int n, int exp)

`{`

int output[n];

int i, count[10] = {0};

for (i = 0; i < n; i++)

count[(arr[i] / exp) % 10]++;

for (i = 1; i < 10; i++)

count[i] += count[i - 1];

for (i = n - 1; i >= 0; i--)

`{`

output[count[(arr[i] / exp) % 10] - 1] = arr[i];

count[(arr[i] / exp) % 10]--;

`}`

for (i = 0; i < n; i++)

arr[i] = output[i];

`}`

`/*`

`* sorts arr[] of size n using Radix Sort`

`*/`

void radixsort(int arr[], int n)

`{`

int m = getMax(arr, n);

for (int exp = 1; m / exp > 0; exp *= 10)

countSort(arr, n, exp);

`}`

`/*`

`* Main`

`*/`

int main()

`{`

int arr[] = {170, 45, 75, 90, 802, 24, 2, 66};

int n = sizeof(arr)/sizeof(arr[0]);

radixsort(arr, n);

for (int i = 0; i < n; i++)

cout << arr[i] << " ";

return 0;

`}`

$ g++ radix_sort.cpp $ a.out 2 24 45 66 75 90 170 802 ------------------ (program exited with code: 1) Press return to continue

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