#include <stdio.h>
 
int main() {
    int a[10][10];
    int *p;
    int rows, cols, i, j, scalar;
 
    printf("Enter number of rows and columns: ");
    scanf("%d %d", &rows, &cols);
 
    printf("Enter elements of the matrix:\n");
    for (i = 0; i < rows; i++) {
        for (j = 0; j < cols; j++) {
            scanf("%d", &a[i][j]);
        }
    }
 
    printf("Enter scalar value to multiply: ");
    scanf("%d", &scalar);
 
    p = &a[0][0];  // Pointer to the first element of the matrix
 
    printf("\nOriginal Matrix:\n");
    for (i = 0; i < rows; i++) {
        for (j = 0; j < cols; j++) {
            printf("%d ", *(p + i * cols + j));
        }
        printf("\n");
    }
 
    // Multiply each element of matrix by scalar using pointers
    for (i = 0; i < rows; i++) {
        for (j = 0; j < cols; j++) {
            *(p + i * cols + j) = *(p + i * cols + j) * scalar;
        }
    }
 
    printf("\nMatrix after Scalar Multiplication (× %d):\n", scalar);
    for (i = 0; i < rows; i++) {
        for (j = 0; j < cols; j++) {
            printf("%d ", *(p + i * cols + j));
        }
        printf("\n");
    }
 
    return 0;
}