TRANSPOSE OF A MATRIX

TRANSPOSE OF A MATRIX:

A=[2 3 4]            A'=[2 1]
  [1 2 3]               [3 2]
                        [4 3]

C SOURCE CODE:

#include<stdio.h>
#include<conio.h>

void main()
{
int m,n,i,j,a[20][20],b[20][20];
printf("\n Enter the no. of rows in matrix:");
scanf("%d",&m);
printf("\n Enter the no. of columns in matrix:");
scanf("%d",&n);
printf("\n Enter the matrix:");
for(i=0;i<m;i++)
{
   for(j=0;j<n;j++)
      scanf("%d",&a[i][j]);
}
printf("\n MATRIX IS:\n");
for(i=0;i<m;++i)
{
   for(j=0;j<n;j++)
      printf("%5d",a[i][j]);
   printf("\n");
}
}
for(i=0;i<m;i++)
{
   for(j=0;j<n;j++)
      a[i][j]=b[j][i];
}
printf("\n TRANSPOSE OF MATRIX :\n");
for(i=0;i<n;++i)
{
   for(j=0;j<m;j++)
      printf("%5d",a[i][j]);
   printf("\n");
}
getch();
}