#include <iostream>
using namespace std;
int main ()
{
int ar[2][3];//declaration for 1 row and 2 columns
int i,j;
int sum_col2 = 0;
for(i=0; i<=1;i++)//loop for 2 rows
{
for(j=0;j<=2;j++)//loop for 3 columns
ar[i][j] = i*10;
}
for(i=0; i<=1;i++)
{
for(j=0;j<=2;j++)//printing each element of row no. i
cout <<" " <<ar[i][j];
cout <<endl;//moving to the next line after the current row has been printed cimpletely
}
for(j=0;j<=2;j++)
{
sum_col2 = sum_col2 + ar[j][2];
}
cout<< "sum of col 2 = " <<sum_col2<<endl;
return 0;
}
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