Sort elements by frequency
Here given code implementation process.
//C Program
//Sort elements by frequency
#include <stdio.h>
//Combine array elements by occurrence sequence
void arrange(int arr[],int size,int index,int *counter)
{
if(index<0) return;
int data=arr[index];
arrange(arr,size,index-1,counter);
for (int i = *counter; i < size && *counter<size ; ++i)
{
if(arr[i]==data )
{
//swap element value
arr[i]=arr[*counter];
arr[*counter]=data;
(*counter)=*counter+1;
}
}
}
void sort_by_frequency(int arr[],int size)
{
int sets=1,length=0;
for (int i = 0; i < size-1; ++i)
{
//Get the unique element
if(arr[i] != arr[i+1])
{
sets++;
}
}
//Check that unique elements are more than one or not
if(sets > 1)
{
//Create a new memory to store frequency of element
int record[sets][2];
int counter = 0;
for (int i = 0; i < size-1; ++i)
{
length++;
if(arr[i] != arr[i+1])
{
//Assign value of array
record[counter][0] = arr[i];
//Assign value of element frequency
record[counter][1] = length;
//Reset the value of new element frequency is to zero
length = 0;
//modified index of record array
counter++;
}
}
if(record[counter-1][0] != arr[size-1])
{
//Get the frequency of last element
record[counter][0]=arr[size-1];
record[counter][1]=1;
}
length=0;
for (int i = 0; i < sets; ++i)
{
counter = i;
for (int j = 0; j < sets; ++j)
{
if(record[counter][1]<record[j][1])
{
counter=j;
}
}
//Update actual array
for (int k = 0; k < record[counter][1]; ++k,++length)
{
arr[length]=record[counter][0];
}
//set frequency is -1
record[counter][1]=-1;
}
printf("\n");
}
}
//print array elements
void print_array(int arr[],int size)
{
printf("\n");
for(int i=0;i<size;i++)
{
printf("%3d",arr[i] );
}
}
void sort_array(int arr[],int size)
{
int counter=1;
print_array(arr,size);
arrange(arr,size,size-1,&counter);
sort_by_frequency(arr,size);
print_array(arr,size);
}
int main()
{
//define array elements
int arr[] = {6, 5, 4, 1, 6, 5, 5, 2, 9, 3, 1, 2, 2, 2 };
//Get the size of array
int size=(sizeof(arr)/sizeof(arr[0]));
sort_array(arr,size);
return 0;
}
Output
6 5 4 1 6 5 5 2 9 3 1 2 2 2
2 2 2 2 5 5 5 6 6 1 1 4 9 3
#include<iostream>
using namespace std;
/*
C++ Program
Sort elements by frequency
*/
class MyNumber {
public:
int counter;
MyNumber() {
this->counter = 0;
}
//Combine array elements by occurrence sequence
void arrange(int arr[], int size, int index) {
if (index < 0) {
return;
}
int data = arr[index];
this->arrange(arr, size, index - 1);
for (int i = this->counter; i < size && this->counter < size; ++i) {
if (arr[i] == data) {
//swap element value
arr[i] = arr[this->counter];
arr[this->counter] = data;
this->counter = this->counter + 1;
}
}
}
void sort_by_frequency(int arr[], int size) {
int sets = 1, length = 0;
for (int i = 0; i < size - 1; ++i) {
//Get the unique element
if (arr[i] != arr[i + 1]) {
sets++;
}
}
//Check that unique elements are more than one or not
if (sets > 1) {
//Create a new memory to store frequency of element
int record[sets][2];
int location = 0;
for (int i = 0; i < size - 1; ++i) {
length++;
if (arr[i] != arr[i + 1]) {
//Assign value of array
record[location][0] = arr[i];
//Assign value of element frequency
record[location][1] = length;
//Reset the value of new element frequency is to zero
length = 0;
//modified index of record array
location++;
}
}
if (record[location - 1][0] != arr[size - 1]) {
//Get the frequency of last element
record[location][0] = arr[size - 1];
record[location][1] = 1;
}
length = 0;
for (int i = 0; i < sets; ++i) {
location = i;
for (int j = 0; j < sets; ++j) {
if (record[location][1] < record[j][1]) {
location = j;
}
}
//Update actual array
for (int k = 0; k < record[location][1]; ++k, ++length) {
arr[length] = record[location][0];
}
//set frequency is -1
record[location][1] = -1;
}
cout << "\n";
}
}
//print array elements
void print_array(int arr[], int size) {
cout << "\n";
for (int i = 0; i < size; i++) {
cout << " " << arr[i];
}
}
void sort_array(int arr[], int size) {
this->counter = 1;
this->print_array(arr, size);
this->arrange(arr, size, size - 1);
this->sort_by_frequency(arr, size);
this->print_array(arr, size);
}
};
int main() {
MyNumber obj ;
int arr[] ={6, 5, 4, 1, 6, 5, 5, 2, 9, 3, 1, 2, 2, 2 };
//Get the size of array
int size = sizeof(arr) / sizeof(arr[0]);
obj.sort_array(arr, size);
return 0;
}
Output
6 5 4 1 6 5 5 2 9 3 1 2 2 2
2 2 2 2 5 5 5 6 6 1 1 4 9 3
/*
Java Program
Sort elements by frequency
*/
public class MyNumber {
public int counter;
public MyNumber()
{
counter=0;
}
//Combine array elements by occurrence sequence
public void arrange(int []arr,int size,int index)
{
if(index < 0) {
return;
}
int data = arr[index];
arrange(arr,size,index-1);
for (int i = counter; i < size && counter < size ; ++i)
{
if(arr[i]==data )
{
//swap element value
arr[i] = arr[counter];
arr[counter] = data;
counter = counter+1;
}
}
}
public void sort_by_frequency(int []arr,int size)
{
int sets=1,length=0;
for (int i = 0; i < size-1; ++i)
{
//Get the unique element
if(arr[i] != arr[i+1])
{
sets++;
}
}
//Check that unique elements are more than one or not
if(sets > 1)
{
//Create a new memory to store frequency of element
int [][]record = new int[sets][2];
int location = 0;
for (int i = 0; i < size-1; ++i)
{
length++;
if(arr[i] != arr[i+1])
{
//Assign value of array
record[location][0] = arr[i];
//Assign value of element frequency
record[location][1] = length;
//Reset the value of new element frequency is to zero
length = 0;
//modified index of record array
location++;
}
}
if(record[location-1][0] != arr[size-1])
{
//Get the frequency of last element
record[location][0]=arr[size-1];
record[location][1]=1;
}
length=0;
for (int i = 0; i < sets; ++i)
{
location = i;
for (int j = 0; j < sets; ++j)
{
if(record[location][1]<record[j][1])
{
location=j;
}
}
//Update actual array
for (int k = 0; k < record[location][1]; ++k,++length)
{
arr[length]=record[location][0];
}
//set frequency is -1
record[location][1]=-1;
}
System.out.print("\n");
}
}
//print array elements
public void print_array(int []arr,int size)
{
System.out.print("\n");
for(int i=0;i<size;i++)
{
System.out.print(" "+arr[i] );
}
}
public void sort_array(int []arr,int size)
{
counter=1;
print_array(arr,size);
arrange(arr,size,size-1);
sort_by_frequency(arr,size);
print_array(arr,size);
}
public static void main(String[] args) {
MyNumber obj = new MyNumber();
int []arr = { 6, 5, 4, 1, 6, 3, 5, 5, 2, 9, 3, 1, 2, 2, 2 };
//Get the size of array
int size = arr.length;
obj.sort_array(arr,size);
}
}
Output
6 5 4 1 6 5 5 2 9 3 1 2 2 2
2 2 2 2 5 5 5 6 6 1 1 4 9 3
/*
C# Program
Sort elements by frequency
*/
using System;
public class MyNumber {
public int counter;
public MyNumber() {
counter = 0;
}
//Combine array elements by occurrence sequence
public void arrange(int[] arr, int size, int index) {
if (index < 0) {
return;
}
int data = arr[index];
arrange(arr, size, index - 1);
for (int i = counter; i < size && counter < size; ++i) {
if (arr[i] == data) {
//swap element value
arr[i] = arr[counter];
arr[counter] = data;
counter = counter + 1;
}
}
}
public void sort_by_frequency(int[] arr, int size) {
int sets = 1,length = 0;
for (int i = 0; i < size - 1; ++i) {
//Get the unique element
if (arr[i] != arr[i + 1]) {
sets++;
}
}
//Check that unique elements are more than one or not
if (sets > 1) {
//Create a new memory to store frequency of element
int[,] record = new int[sets,2];
int location = 0;
for (int i = 0; i < size - 1; ++i) {
length++;
if (arr[i] != arr[i + 1]) {
//Assign value of array
record[location,0] = arr[i];
//Assign value of element frequency
record[location,1] =length;
//Reset the value of new element frequency is to zero
length = 0;
//modified index of record array
location++;
}
}
if (record[location - 1,0] != arr[size - 1]) {
//Get the frequency of last element
record[location,0] = arr[size - 1];
record[location,1] = 1;
}
length = 0;
for (int i = 0; i < sets; ++i) {
location = i;
for (int j = 0; j < sets; ++j) {
if (record[location,1] < record[j,1]) {
location = j;
}
}
//Update actual array
for (int k = 0; k < record[location,1]; ++k, ++length) {
arr[length] = record[location,0];
}
//set frequency is -1
record[location,1] = -1;
}
Console.Write("\n");
}
}
//print array elements
public void print_array(int[] arr, int size) {
Console.Write("\n");
for (int i = 0; i < size; i++) {
Console.Write(" " + arr[i]);
}
}
public void sort_array(int[] arr, int size) {
counter = 1;
print_array(arr, size);
arrange(arr, size, size - 1);
sort_by_frequency(arr, size);
print_array(arr, size);
}
public static void Main(String[] args) {
MyNumber obj = new MyNumber();
int []arr = {
6,
5,
4,
1,
6,
3,
5,
5,
2,
9,
3,
1,
2,
2,
2
};
//Get the size of array
int size = arr.Length;
obj.sort_array(arr, size);
}
}
Output
6 5 4 1 6 3 5 5 2 9 3 1 2 2 2
2 2 2 2 5 5 5 6 6 1 1 3 3 4 9
# Python 3 Program
# Sort elements by frequency
class MyNumber :
def __init__(self) :
self.counter = 0
# Combine array elements by occurrence sequence
def arrange(self, arr, size, index) :
if (index < 0) :
return
data = arr[index]
self.arrange(arr, size, index - 1)
i = self.counter
while (i < size and self.counter < size) :
if (arr[i] == data) :
# swap element value
arr[i] = arr[self.counter]
arr[self.counter] = data
self.counter = self.counter + 1
i += 1
def sort_by_frequency(self, arr, size) :
sets = 1
length = 0
i = 0
j = 0
k = 0
while (i < size - 1) :
# Get the unique element
if (arr[i] != arr[i + 1]) :
sets += 1
i += 1
# Check that unique elements are more than one or not
if (sets > 1) :
record = [ [0] * 2 for _ in range(sets)]
location = 0
i = 0
while (i < size - 1) :
length += 1
if (arr[i] != arr[i + 1]) :
# Assign value of array
record[location][0] = arr[i]
# Assign value of element frequency
record[location][1] = length
# Reset the value of new element frequency is to zero
length = 0
# modified index of record array
location += 1
i += 1
if (record[location - 1][0] != arr[size - 1]) :
# Get the frequency of last element
record[location][0] = arr[size - 1]
record[location][1] = 1
length = 0
i = 0
while (i < sets) :
location = i
j = 0
while (j < sets) :
if (record[location][1] < record[j][1]) :
location = j
j += 1
# Update actual array
k = 0
while (k < record[location][1]) :
arr[length] = record[location][0]
k += 1
length += 1
# set frequency is -1
record[location][1] = -1
i += 1
print("\n")
# print array elements
def print_array(self, arr, size) :
print(end="\n")
i = 0
while (i < size) :
print(" ", arr[i],end="")
i += 1
def sort_array(self, arr, size) :
self.counter = 1
self.print_array(arr, size)
self.arrange(arr, size, size - 1)
self.sort_by_frequency(arr, size)
self.print_array(arr, size)
def main() :
obj = MyNumber()
arr = [6, 5, 4, 1, 6, 3, 5, 5, 2, 9, 3, 1, 2, 2, 2]
size = len(arr)
obj.sort_array(arr, size)
if __name__ == "__main__":
main()
Output
6 5 4 1 6 3 5 5 2 9 3 1 2 2 2
2 2 2 2 5 5 5 6 6 1 1 3 3 4 9
# Ruby Program
# Sort elements by frequency
class MyNumber
# Define the accessor and reader of class MyNumber
attr_reader :counter
attr_accessor :counter
def initialize()
@counter = 0
end
# Combine array elements by occurrence sequence
def arrange(arr, size, index)
if (index < 0)
return
end
data = arr[index]
self.arrange(arr, size, index - 1)
i = @counter
while (i < size and @counter < size)
if (arr[i] == data)
# swap element value
arr[i] = arr[@counter]
arr[@counter] = data
@counter = @counter + 1
end
i += 1
end
end
def sort_by_frequency(arr, size)
sets = 1
length = 0
i = 0
j = 0
k = 0
while (i < size - 1)
# Get the unique element
if (arr[i] != arr[i + 1])
sets += 1
end
i += 1
end
# Check that unique elements are more than one or not
if (sets > 1)
record = Array.new(sets){Array.new(2,0)}
location = 0
i = 0
while (i < size - 1)
length += 1
if (arr[i] != arr[i + 1])
# Assign value of array
record[location][0] = arr[i]
# Assign value of element frequency
record[location][1] = length
# Reset the value of new element frequency is to zero
length = 0
# modified index of record array
location += 1
end
i += 1
end
if (record[location - 1][0] != arr[size - 1])
# Get the frequency of last element
record[location][0] = arr[size - 1]
record[location][1] = 1
end
length = 0
i = 0
while (i < sets)
location = i
j = 0
while (j < sets)
if (record[location][1] < record[j][1])
location = j
end
j += 1
end
# Update actual array
k = 0
while (k < record[location][1])
arr[length] = record[location][0]
k += 1
length += 1
end
# set frequency is -1
record[location][1] = -1
i += 1
end
print("\n")
end
end
# print array elements
def print_array(arr, size)
print("\n")
i = 0
while (i < size)
print(" ", arr[i])
i += 1
end
end
def sort_array(arr, size)
@counter = 1
self.print_array(arr, size)
self.arrange(arr, size, size - 1)
self.sort_by_frequency(arr, size)
self.print_array(arr, size)
end
end
def main()
obj = MyNumber.new()
arr = [6, 5, 4, 1, 6, 3, 5, 5, 2, 9, 3, 1, 2, 2, 2]
size = arr.length
obj.sort_array(arr, size)
end
main()
Output
6 5 4 1 6 3 5 5 2 9 3 1 2 2 2
2 2 2 2 5 5 5 6 6 1 1 3 3 4 9
/*
Scala Program
Sort elements by frequency
*/
class MyNumber (var counter: Int){
def this() {
this(0);
}
//Combine array elements by occurrence sequence
def arrange(arr: Array[Int], size: Int, index: Int): Unit = {
if (index < 0) {
return;
}
var data: Int = arr(index);
this.arrange(arr, size, index - 1);
var i: Int = this.counter;
while (i < size && this.counter < size) {
if (arr(i) == data) {
//swap element value
arr(i) = arr(this.counter);
arr(this.counter) = data;
this.counter = this.counter + 1;
}
i += 1;
}
}
def sort_by_frequency(arr: Array[Int], size: Int): Unit = {
var sets: Int = 1;
var length: Int = 0;
var i: Int = 0;
var j: Int = 0;
var k: Int = 0;
while (i < size - 1) {
//Get the unique element
if (arr(i) != arr(i + 1)) {
sets += 1;
}
i += 1;
}
//Check that unique elements are more than one or not
if (sets > 1) {
var record: Array[Array[Int]] = Array.fill[Int](sets,2)(0);
var location: Int = 0;
i = 0;
while (i < size - 1) {
length += 1;
if (arr(i) != arr(i + 1)) {
//Assign value of array
record(location)(0) = arr(i);
//Assign value of element frequency
record(location)(1) = length;
//Reset the value of new element frequency is to zero
length = 0;
//modified index of record array
location += 1;
}
i += 1;
}
if (record(location - 1)(0) != arr(size - 1)) {
//Get the frequency of last element
record(location)(0) = arr(size - 1);
record(location)(1) = 1;
}
length = 0;
i = 0;
while (i < sets) {
location = i;
j = 0;
while (j < sets) {
if (record(location)(1) < record(j)(1)) {
location = j;
}
j += 1;
}
//Update actual array
k = 0;
while (k < record(location)(1)) {
arr(length) = record(location)(0);
k += 1;
length += 1;
}
//set frequency is -1
record(location)(1) = -1;
i += 1;
}
print("\n");
}
}
//print array elements
def print_array(arr: Array[Int], size: Int): Unit = {
print("\n");
var i: Int = 0;
while (i < size) {
print(" " + arr(i));
i += 1;
}
}
def sort_array(arr: Array[Int], size: Int): Unit = {
this.counter = 1;
this.print_array(arr, size);
this.arrange(arr, size, size - 1);
this.sort_by_frequency(arr, size);
this.print_array(arr, size);
}
}
object Main {
def main(args: Array[String]): Unit = {
var obj: MyNumber = new MyNumber();
var arr: Array[Int] = Array(6, 5, 4, 1, 6, 3, 5, 5, 2, 9, 3, 1, 2, 2, 2);
var size: Int = arr.length;obj.sort_array(arr, size);
}
}
Output
6 5 4 1 6 3 5 5 2 9 3 1 2 2 2
2 2 2 2 5 5 5 6 6 1 1 3 3 4 9
/*
Swift 4 Program
Sort elements by frequency
*/
class MyNumber {
var counter : Int;
init() {
self.counter = 0;
}
//Combine array elements by occurrence sequence
func arrange(_ arr: inout [Int], _ size: Int, _ index: Int) {
if (index < 0) {
return;
}
let data: Int = arr[index];
self.arrange(&arr, size, index - 1);
var i: Int = self.counter;
while (i < size && self.counter < size) {
if (arr[i] == data) {
//swap element value
arr[i] = arr[self.counter];
arr[self.counter] = data;
self.counter = self.counter + 1;
}
i += 1;
}
}
func sort_by_frequency(_ arr: inout [Int], _ size: Int) {
var sets: Int = 1;
var length: Int = 0;
var i: Int = 0;
var j: Int = 0;
var k: Int = 0;
while (i < size - 1) {
//Get the unique element
if (arr[i] != arr[i + 1]) {
sets += 1;
}
i += 1;
}
//Check that unique elements are more than one or not
if (sets > 1) {
var record: [[Int]] = Array( repeating : Array( repeating:0 , count:2) , count:sets);
var location: Int = 0;
i = 0;
while (i < size - 1) {
length += 1;
if (arr[i] != arr[i + 1]) {
//Assign value of array
record[location][0] = arr[i];
//Assign value of element frequency
record[location][1] = length;
//Reset the value of new element frequency is to zero
length = 0;
//modified index of record array
location += 1;
}
i += 1;
}
if (record[location - 1][0] != arr[size - 1]) {
//Get the frequency of last element
record[location][0] = arr[size - 1];
record[location][1] = 1;
}
length = 0;
i = 0;
while (i < sets) {
location = i;
j = 0;
while (j < sets) {
if (record[location][1] < record[j][1]) {
location = j;
}
j += 1;
}
//Update actual array
k = 0;
while (k < record[location][1]) {
arr[length] = record[location][0];
k += 1;
length += 1;
}
//set frequency is -1
record[location][1] = -1;
i += 1;
}
print(terminator:"\n");
}
}
//print array elements
func print_array(_ arr: [Int], _ size: Int) {
print(terminator:"\n");
var i: Int = 0;
while (i < size) {
print(" ", arr[i],terminator:"");
i += 1;
}
}
func sort_array(_ arr: inout [Int], _ size: Int) {
self.counter = 1;
self.print_array(arr, size);
self.arrange(&arr, size, size - 1);
self.sort_by_frequency(&arr, size);
self.print_array(arr, size);
}
}
func main() {
let obj: MyNumber = MyNumber();
var arr: [Int] = [6, 5, 4, 1, 6, 3, 5, 5, 2, 9, 3, 1, 2, 2, 2];
let size: Int = arr.count;
obj.sort_array(&arr, size);
}
main();
Output
6 5 4 1 6 3 5 5 2 9 3 1 2 2 2
2 2 2 2 5 5 5 6 6 1 1 3 3 4 9
/*
Node Js Program
Sort elements by frequency
*/
class MyNumber {
constructor() {
this.counter = 0;
}
//Combine array elements by occurrence sequence
arrange(arr, size, index) {
if (index < 0) {
return;
}
var data = arr[index];
this.arrange(arr, size, index - 1);
for (var i = this.counter; i < size && this.counter < size; ++i) {
if (arr[i] == data) {
//swap element value
arr[i] = arr[this.counter];
arr[this.counter] = data;
this.counter = this.counter + 1;
}
}
}
sort_by_frequency(arr, size) {
var sets = 1;
var length = 0;
for (var i = 0; i < size - 1; ++i) {
//Get the unique element
if (arr[i] != arr[i + 1]) {
sets++;
}
}
//Check that unique elements are more than one or not
if (sets > 1) {
//Create a new memory to store frequency of element
var record = Array(sets).fill(0).map(() => new Array(2).fill(0));;
var location = 0;
for (var i = 0; i < size - 1; ++i) {
length++;
if (arr[i] != arr[i + 1]) {
//Assign value of array
record[location][0] = arr[i];
//Assign value of element frequency
record[location][1] = length;
//Reset the value of new element frequency is to zero
length = 0;
//modified index of record array
location++;
}
}
if (record[location - 1][0] != arr[size - 1]) {
//Get the frequency of last element
record[location][0] = arr[size - 1];
record[location][1] = 1;
}
length = 0;
for (var i = 0; i < sets; ++i) {
location = i;
for (var j = 0; j < sets; ++j) {
if (record[location][1] < record[j][1]) {
location = j;
}
}
//Update actual array
for (var k = 0; k < record[location][1]; ++k,
++length) {
arr[length] = record[location][0];
}
//set frequency is -1
record[location][1] = -1;
}
process.stdout.write("\n");
}
}
//print array elements
print_array(arr, size) {
process.stdout.write("\n");
for (var i = 0; i < size; i++) {
process.stdout.write(" " + arr[i]);
}
}
sort_array(arr, size) {
this.counter = 1;
this.print_array(arr, size);
this.arrange(arr, size, size - 1);
this.sort_by_frequency(arr, size);
this.print_array(arr, size);
}
}
function main(args) {
var obj = new MyNumber();
var arr = [6, 5, 4, 1, 6, 3, 5, 5, 2, 9, 3, 1, 2, 2, 2];
//Get the size of array
var size = arr.length;
obj.sort_array(arr, size);
}
main();
Output
6 5 4 1 6 3 5 5 2 9 3 1 2 2 2
2 2 2 2 5 5 5 6 6 1 1 3 3 4 9
<?php
/*
Php Program
Sort elements by frequency
*/
class MyNumber {
public $counter;
function __construct() {
$this->counter = 0;
}
//Combine array elements by occurrence sequence
public function arrange(&$arr, $size, $index) {
if ($index < 0) {
return;
}
$data = $arr[$index];
$this->arrange($arr, $size, $index - 1);
for ($i = $this->counter; $i < $size && $this->counter < $size; ++$i) {
if ($arr[$i] == $data) {
//swap element value
$arr[$i] = $arr[$this->counter];
$arr[$this->counter] = $data;
$this->counter = $this->counter + 1;
}
}
}
public function sort_by_frequency(&$arr, $size) {
$sets = 1;
$length = 0;
for ($i = 0; $i < $size - 1; ++$i) {
//Get the unique element
if ($arr[$i] != $arr[$i + 1]) {
$sets++;
}
}
//Check that unique elements are more than one or not
if ($sets > 1) {
//Create a new memory to store frequency of element
$record = array_fill(0, $sets, array_fill(0, 2, 0));
$location = 0;
for ($i = 0; $i < $size - 1; ++$i) {
$length++;
if ($arr[$i] != $arr[$i + 1]) {
//Assign value of array
$record[$location][0] = $arr[$i];
//Assign value of element frequency
$record[$location][1] = $length;
//Reset the value of new element frequency is to zero
$length = 0;
//modified index of record array
$location++;
}
}
if ($record[$location - 1][0] != $arr[$size - 1]) {
//Get the frequency of last element
$record[$location][0] = $arr[$size - 1];
$record[$location][1] = 1;
}
$length = 0;
for ($i = 0; $i < $sets; ++$i) {
$location = $i;
for ($j = 0; $j < $sets; ++$j) {
if ($record[$location][1] < $record[$j][1]) {
$location = $j;
}
}
//Update actual array
for ($k = 0; $k < $record[$location][1]; ++$k,++$length) {
$arr[$length] = $record[$location][0];
}
//set frequency is -1
$record[$location][1] = -1;
}
echo("\n");
}
}
//print array elements
public function print_array($arr, $size) {
echo("\n");
for ($i = 0; $i < $size; $i++) {
echo(" ". $arr[$i]);
}
}
public function sort_array(&$arr, $size) {
$this->counter = 1;
$this->print_array($arr, $size);
$this->arrange($arr, $size, $size - 1);
$this->sort_by_frequency($arr, $size);
$this->print_array($arr, $size);
}
};
function main() {
$obj = new MyNumber();
$arr = array(6, 5, 4, 1, 6, 3, 5, 5, 2, 9, 3, 1, 2, 2, 2);
//Get the size of array
$size = count($arr);
$obj->sort_array($arr, $size);
}
main();
Output
6 5 4 1 6 3 5 5 2 9 3 1 2 2 2
2 2 2 2 5 5 5 6 6 1 1 3 3 4 9
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