C# - Sorting Algorithm - Bubble Sort
We often using sorting algorithm to sort numbers and strings. Also we have many sorting algorithms. I have explained here on how bubble sort algorithm works. Look at the yellow color high lighting section on output to understand how algorithm works after each iteration.
Click here for C# BubbleSort Algorithm
Click here for C# InsertionSort Algorithm
Click here for C# MergeSort Recursive Algorithm
Click here for C# MergeSort Iterative Algorithm
Click here for C# QuickSort Recursive Algorithm
Click here for C# QuickSort Iterative Algorithm
The complete program and test run output are given below:
Source Code
using System;
using System.Collections.Generic;
using System.Text;
namespace ConsoleApplication1
{
class Program
{
static int BubbleSort()
{
Console.Write("\nProgram for Ascending order of Numeric Values using BUBBLE SORT");
Console.Write("\n\nEnter the total number of elements: ");
int max = Convert.ToInt32(Console.ReadLine());
int [] numarray = new int[max];
for(int i = 0; i < max; i++)
{
Console.Write("\nEnter [" + (i + 1).ToString() + "] element: ");
numarray[i] = Convert.ToInt32(Console.ReadLine());
}
Console.Write("Before Sorting : ");
for(int k = 0; k < max; k++)
Console.Write(numarray[k] + " ");
Console.Write("\n");
for(int i = 1; i < max; i++)
{
for(int j = 0; j < max - i; j++)
{
if(numarray[j] > numarray[j + 1])
{
int temp = numarray[j];
numarray[j] = numarray[j + 1];
numarray[j + 1] = temp;
}
}
Console.Write("After iteration " + i.ToString() + ": ");
for(int k = 0; k < max; k++)
Console.Write(numarray[k] + " ");
Console.Write("/*** " + (i + 1).ToString() + " biggest number(s) is(are) pushed to the end of the array ***/\n");
}
Console.Write("\n\nThe numbers in ascending orders are given below:\n\n");
for(int i = 0; i < max; i++)
{
Console.Write("Sorted [" + (i + 1).ToString() + "] element: ");
Console.Write(numarray[i]);
Console.Write("\n");
}
return 0;
}
static void Main(string[] args)
{
BubbleSort();
}
}
}
Output
Program for Ascending order of Numeric Values using BUBBLE SORT
Enter the total number of elements: 8
Enter [1] element: 80
Enter [2] element: 60
Enter [3] element: 40
Enter [4] element: 20
Enter [5] element: 10
Enter [6] element: 30
Enter [7] element: 50
Enter [8] element: 70
Before Sorting : 80 60 40 20 10 30 50 70
After iteration 1: 60 40 20 10 30 50 70 80
After iteration 2: 40 20 10 30 50 60 70 80
After iteration 3: 20 10 30 40 50 60 70 80
After iteration 4: 10 20 30 40 50 60 70 80
After iteration 5: 10 20 30 40 50 60 70 80
After iteration 6: 10 20 30 40 50 60 70 80
After iteration 7: 10 20 30 40 50 60 70 80
The numbers in ascending orders are given below:
Sorted [1] element: 10
Sorted [2] element: 20
Sorted [3] element: 30
Sorted [4] element: 40
Sorted [5] element: 50
Sorted [6] element: 60
Sorted [7] element: 70
Sorted [8] element: 80
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