A program to initialize a 2-D array of 3*4 and display the output as follows:
             Col1    Col2    Col3    Col4    Sum
Row1        1        7       2       9       19
Row2        2        6       4       12      24
Row3        5        3       8       3       19

#include<iostream.h>
#include<conio.h>

void main()
{
clrscr();
int a[3][4],i,j,sum;

for(i=0;i<3;i++)
{
for(j=0;j<4;j++)
{
cout<<"Enter a number:";
cin>>a[i][j];
}
}

cout<<" Col1 Col2 Col3 Col4 Sum"<<"\n";

for(i=0;i<3;i++)
{
sum=0;
cout<<"Row"<<i+1<<" ";
for(j=0;j<4;j++)
{
cout<<a[i][j]<<" ";
if(a[i][j]>=10)
cout<<"\b";
if(a[i][j]>=100)
cout<<"\b";
sum=sum+a[i][j];
}
cout<<" "<<sum;
cout<<"\n";
}

getch();
}

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