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// C++ implementation of Radix Sort
#include <iostream>
#include <fstream>
#include <vector>
#include <limits.h>
using namespace std;
int n, a, b, c;
// A utility function to get maximum value in arr[]
int getMax(int arr[], int n)
{
int mx = arr[0];
for (int i = 1; i < n; i++)
if (arr[i] > mx)
mx = arr[i];
return mx;
}
// A function to do counting sort of arr[] according to
// the digit represented by exp.
void countSort(int arr[], int n, int exp)
{
int output[n]; // output array
int i, count[10] = {0};
// Store count of occurrences in count[]
for (i = 0; i < n; i++)
count[ (arr[i]/exp)%10 ]++;
// Change count[i] so that count[i] now contains actual
// position of this digit in output[]
for (i = 1; i < 10; i++)
count[i] += count[i - 1];
// Build the output array
for (i = n - 1; i >= 0; i--)
{
output[count[ (arr[i]/exp)%10 ] - 1] = arr[i];
count[ (arr[i]/exp)%10 ]--;
}
// Copy the output array to arr[], so that arr[] now
// contains sorted numbers according to current digit
for (i = 0; i < n; i++)
arr[i] = output[i];
}
// The main function to that sorts arr[] of size n using
// Radix Sort
void radixsort(int arr[], int n)
{
// Find the maximum number to know number of digits
int m = getMax(arr, n);
// Do counting sort for every digit. Note that instead
// of passing digit number, exp is passed. exp is 10^i
// where i is current digit number
for (int exp = 1; m/exp > 0; exp *= 10)
countSort(arr, n, exp);
}
// A utility function to print an array
void print(int arr[], int n)
{
for (int i = 0; i < n; i++)
cout << arr[i] << " ";
}
void generateVector(int n, int arr[])
{
arr[0]=b;
for (int i = 1;i<=n-1;++i){
arr[i] = (a*arr[i-1]+b)%c;
}
}
// Driver program to test above functions
int main()
{
ofstream radixOut;
ifstream radixIn;
radixIn.open("radixsort.in");
radixOut.open("radixsort.out");
radixIn>>n;
radixIn>>a;
radixIn>>b>>c;
int arr[n];// = {170, 45, 75, 90, 802, 24, 2, 66};
//int n = sizeof(arr)/sizeof(arr[0]);
generateVector(n, arr);
radixsort(arr, n);
//print(arr, n);
for (int i = 0; i<n;i+=10)
radixOut << arr[i] << " ";
return 0;
}