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Program to pick & display the largest element of an input matrix

Program to pick & display the largest element of an input matrix

#include <stdio.h>
#include <conio.h>
#include <math.h>
#define MAXROWS 30
#define MAXCOLS 30
void largest(int a[][MAXCOLS],int nrows,int ncols);
void readinput(int a[][MAXCOLS],int m,int n);

void main()
{
 int nrows,ncols;
 int a[MAXROWS][MAXCOLS];
 clrscr();

 printf("How many rows in the matrix?  ");
 scanf("%d",&nrows);
 printf("How many columns in the matrix?  ");
 scanf("%d",&ncols);
 printf("

Table
");
 readinput(a,nrows,ncols);

 largest(a,nrows,ncols);
 getch();
}


 void readinput(int a[][MAXCOLS],int m,int n)
 {
  int row,col;
  for (row=0;row<m;++row)
  {
   printf("
Enter data for row no. %2d
",row+1);
   for (col=0;col<n;++col)
    scanf("%d",&a[row][col]);
  }
  printf("	TABLE 1");
  for (row=0;row<m;++row)
  {
   printf("
		");
   for (col=0;col<n;++col)
    printf("%d%c",a[row][col],' ');
  }
    return;
 }


 void largest(int a[][MAXCOLS],int m,int n)
 {
  int i,j,largest;
  largest = a[0][0];
  for (i=0;i<m;++i)
  {
   for (j=0;j<n;++j)
   {
    if (a[i][j]>largest)
     largest=a[i][j];
   }
  }
  printf("
The largest element of the matrix is %d",largest);
  return;
 }