C Exercises: Addition of two Matrices
C Array: Exercise-19 with Solution
Write a program in C for addition of two Matrices of same size.
Visual Presentation:

Sample Solution:
C Code:
#include <stdio.h>
void main() {
int arr1[50][50], brr1[50][50], crr1[50][50], i, j, n;
// Prompt user for input
printf("\n\nAddition of two Matrices :\n");
printf("------------------------------\n");
printf("Input the size of the square matrix (less than 5): ");
scanf("%d", &n);
// Input elements for the first matrix
printf("Input elements in the first matrix :\n");
for (i = 0; i < n; i++) {
for (j = 0; j < n; j++) {
printf("element - [%d],[%d] : ", i, j);
scanf("%d", &arr1[i][j]);
}
}
// Input elements for the second matrix
printf("Input elements in the second matrix :\n");
for (i = 0; i < n; i++) {
for (j = 0; j < n; j++) {
printf("element - [%d],[%d] : ", i, j);
scanf("%d", &brr1[i][j]);
}
}
// Display the first matrix
printf("\nThe First matrix is :\n");
for (i = 0; i < n; i++) {
printf("\n");
for (j = 0; j < n; j++)
printf("%d\t", arr1[i][j]);
}
// Display the second matrix
printf("\nThe Second matrix is :\n");
for (i = 0; i < n; i++) {
printf("\n");
for (j = 0; j < n; j++)
printf("%d\t", brr1[i][j]);
}
// Calculate the sum of the matrices
for (i = 0; i < n; i++)
for (j = 0; j < n; j++)
crr1[i][j] = arr1[i][j] + brr1[i][j];
// Display the addition of two matrices
printf("\nThe Addition of two matrix is : \n");
for (i = 0; i < n; i++) {
printf("\n");
for (j = 0; j < n; j++)
printf("%d\t", crr1[i][j]);
}
printf("\n\n");
}
Sample Output:
Addition of two Matrices : ------------------------------ Input the size of the square matrix (less than 5): 2 Input elements in the first matrix : element - [0],[0] : 1 element - [0],[1] : 2 element - [1],[0] : 3 element - [1],[1] : 4 Input elements in the second matrix : element - [0],[0] : 5 element - [0],[1] : 6 element - [1],[0] : 7 element - [1],[1] : 8 The First matrix is : 1 2 3 4 The Second matrix is : 5 6 7 8 The Addition of two matrix is : 6 8 10 12
Flowchart:

C Programming Code Editor:
Previous: Write a program in C for a 2D array of size 3x3 and print the matrix.
Next: Write a program in C for subtraction of two Matrices.
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