# C Programming code for Addition of 2D Matrix – KLETech

### Write a Modular C Programming Code for Addition of a 2D Matrix?

CODE:

```#include<stdio.h>
#define ROW 10
#define COL 10
void ReadArray(int [ROW][COL], int, int);
void DisplayArray(int [ROW][COL], int, int);
void SumMatrix(int [ROW][COL], int [ROW][COL], int [ROW][COL], int, int);
main()
{
int r,c,sum;
int a[ROW][COL];
int b[ROW][COL];
int z[ROW][COL];

printf("Enter the order of 1st 2D matrix: ");
scanf("%d%d",&r,&c);
printf("\nEnter the Elements of 1st Matix:\n");
ReadArray(a,r,c);
printf("Enter the order of 2nd 2D matrix: ");
scanf("%d%d",&r,&c);
printf("\nEnter the Elements of 2nd Matix:\n");
ReadArray(b,r,c);
SumMatrix(a,b,z,r,c);
printf("\nThe 1st Matrix is:\n");
DisplayArray(a,r,c);
printf("\nThe 2nd Matrix is:\n");
DisplayArray(b,r,c);
printf("\nThe Final Addition Matrix is\n");
DisplayArray(z,r,c);
}
void ReadArray(int a[ROW][COL], int r, int c)
{
int i,j;
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
scanf("%d",&a[i][j]);
}
}
}
void DisplayArray(int a[ROW][COL], int r, int c)
{
int i,j;
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
printf("\t%d",a[i][j]);
}
printf("\n");
}
}

void SumMatrix(int a[ROW][COL],int b[ROW][COL],int z[ROW][COL], int r, int c)
{
int i,j;
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
z[i][j]=a[i][j]+b[i][j];
}
}
}
```

OUTPUT

```Enter the order of 1st 2D matrix: 3 3

Enter the Elements of 1st Matix:
3
6
5
9
1
6
5
4
9
Enter the order of 2nd 2D matrix: 3 3

Enter the Elements of 2nd Matix:
3
6
2
5
4
9
2
1
7

The 1st Matrix is:
3 6 5
9 1 6
5 4 9

The 2nd Matrix is:
3 6 2
5 4 9
2 1 7

The Final Addition Matrix is
6 12 7
14 5 15
7 5 16

Process returned 0 (0x0) execution time : 24.845 s
Press any key to continue.```

Please find some more codes of 1D Arrays, 2D Arrays, Pointers on the below page:

Top 100+ C Programming codes – KLE Technological University

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