Code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
class interchangecol
{
int m, n;
int[,] a;
public interchangecol(int x, int y)
{
m = x;
n = y;
a = new int[m, n];
}
public void readmatrix()
{
Console.WriteLine("Enter the Elements : ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
Console.WriteLine("a[{0},{1}] =", i, j);
a[i, j] = Convert.ToInt32(Console.ReadLine());
}
}
}
public void printmax()
{
Console.WriteLine("Given Matrix : ");
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
Console.Write("{0}\t", a[i, j]);
}
Console.WriteLine();
}
}
public void interchange()
{
Console.WriteLine("Enter the Column Number to Interchange : ");
int i = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter the Column Number with which Interchange is to be Accomplished :");
int j = Convert.ToInt32(Console.ReadLine());
for (int k = 0; k < m; k++)
{
int temp = a[k, i-1];
a[k, i-1] = a[k, j-1];
a[k, j-1] = temp;
}
}
public static void Main()
{
int x, y;
interchangecol obj;
Console.Write("Enter the Number of Rows");
x = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter the Number of Columns");
y = Convert.ToInt32(Console.ReadLine());
obj = new interchangecol(x, y);
obj.readmatrix();
obj.printmax();
obj.interchange();
obj.printmax();
Console.ReadLine();
}
}
Output:
Enter the Number of Rows : 3
Enter the Number of Columns : 3
Enter the Elements :
a[0,0]=1
a[0,1]=2
a[0,2]=3
a[1,0]=4
a[1,1]=5
a[1,2]=6
a[2,0]=7
a[2,1]=8
a[2,2]=9
Given Matrix is :
1 2 3
4 5 6
7 8 9
Enter the Column Number to Interchange : 2
Enter the Column Number with which Interchange is to be Accomplished : 3
Given Matrix is :
1 3 2
7 9 5
4 6 8
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