ISC COMPUTER PRACTICAL - 2021 - QUESTION 3 (Matrix Program)

ISC 2021 Computer Practical Question 3 –  Matrix Program

-WRITTEN BY CODERGURUJI

 

  

Solution :

import java.util.*;

class Q3

{

public static void main(String args[])

{  int p=0,s=0,s1=0;

Scanner sc=new Scanner(System.in);

System.out.println("enter m*n");

int m=sc.nextInt();

int n=sc.nextInt();

int a[][]=new int[m][n];

int b[]=new int[1000];

int c[][]=new int[m][n];

for(int i=0;i<m;i++)

{

for(int j=0;j<n;j++)

{

a[i][j]=sc.nextInt();

}

}

System.out.println("ORIGINAL MATRIX");

for(int i=0;i<m;i++)

{

for(int j=0;j<n;j++)

{

if((i==0)||(i==m-1)||(j==0)||(j==n-1))

   {

     s=s+a[i][j];

 }

System.out.print(a[i][j]+" ");

}

System.out.println();

}

System.out.println("SUM OF THE BOUNDARY ELEMENTS(UNSORTED)= "+s);

for(int i=0;i<m;i++)

{

for(int j=0;j<n;j++)

{

b[p]=a[i][j];

p++;

}

}

for(int i=0;i<p;i++)

{

for(int j=0;j<p-i-1;j++)

{

if(b[j]<b[j+1])

{

int temp=b[j];

b[j]=b[j+1];

b[j+1]=temp;

}

}

}

p=0;

System.out.println("SORTED MATRIX");

for(int i=0;i<m;i++)

{

for(int j=0;j<n;j++)

{

c[i][j]=b[p];

System.out.print(b[p]+" ");

p++;

if((i==0)||(i==m-1)||(j==0)||(j==n-1))

   {

     s1=s1+c[i][j];

   }

}

System.out.println();

}

System.out.println("SUM OF THE BOUNDARY ELEMENTS(SORTED)= "+s1);

}

}

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