Problem:
Bubble Sort

Write a program of the Bubble Sort algorithm which sorts a sequence A in ascending order. The algorithm should be based on the following pseudocode:

BubbleSort(A)
1 for i = 0 to A.length-1
2 for j = A.length-1 downto i+1
3 if A[j] < A[j-1]
4 swap A[j] and A[j-1]

Note that, indices for array elements are based on 0-origin.

Your program should also print the number of swap operations defined in line 4 of the pseudocode.

Input

The first line of the input includes an integer N, the number of elements in the sequence.

In the second line, N elements of the sequence are given separated by spaces characters.

Output

The output consists of 2 lines.

In the first line, please print the sorted sequence. Two contiguous elements of the sequence should be separated by a space character.

In the second line, please print the number of swap operations.

Constraints

1 ≤ N ≤ 100

Sample Input 1

5
5 3 2 4 1

Sample Output 1

1 2 3 4 5
8

Sample Input 2

6
5 2 4 6 1 3

Sample Output 2

1 2 3 4 5 6
9

Solution in C# (judge verdict: Accepted)

using System;
using System.Collections.Generic;
using System.Linq;

class Program
{    

    static void Main(string[] args)
    {
        int n = int.Parse(Console.ReadLine());

        string input = Console.ReadLine();
        string[] str = input.Split(' ');

        int[] data = new int[n];

        for(int i = 0; i < n; i++)
        {
            data[i] = int.Parse(str[i]);
        }
      
        int count = 0;
        bool flag = true;

        while (flag)
        {
            flag = false;
            int i = 0;
            for(int j = n - 1; j > i; j--)
            {
                if(data[j] < data[j - 1])
                {
                    int temp = data[j];
                    data[j] = data[j - 1];
                    data[j - 1] = temp;
                    flag = true;
                    count++;
                }
            }
            i++;
        }

        Console.WriteLine(String.Join(" ", data));
        Console.WriteLine(count);
       
    }
}