Saturday, August 27, 2011

Program to find sum of each row and column and total of matrix.


//Program to find sum of each row and column and total of matrix.
#include<iostream.h>
#include<iomanip.h>
#include<conio.h>
void main()
{
 int a[10][10],i,j, m, n;
 clrscr();
 cout<<endl<<" Enter the rows of matrix: ";
 cin>>m;
 cout<<endl<<"Enter the column of matrix: ";
 cin>>n;
 cout<<endl<<"Elements of a matrix:";
 for(i=0;i<m;i++)
 {
  for(j=0;j<n;j++)
  {
   cin>>a[i][j];
  }
 }
 for(i=0; i<m; i++)
 {
  a[i][n]=0;
  for(j=0; j<n; j++)
  {
    a[i][n]+=a[i][j];
  }
 }
 for(j=0; j<n; j++)
 {
  a[m][j]=0;
   for (i=0; i<m; i++)
   {
    a[m][j]+=a[i][j];
   }
  }
   a[m][n]=0;
   for(i=0; i<m ; i++)
   {
     a[m][n]+=a[i][n];
   }
 cout<<endl<<" a matrix is :"<<endl;
 for(i=0;i<m+1;i++)
 {
  cout<<endl;
  for(j=0;j<n+1;j++)
  {
   cout<<setw(5)<<" "<<a[i][j];
  }
 }
 getch();
}

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