#include <stdio.h>

int main() {
    int n;
    printf("Enter number of rows: ");
    scanf("%d", &n);

    for (int i = 0; i <= n; i++) {
        for (int j = 1; j <= i; j++) {
            printf("%d ", i);
        }
        printf("\n");
    }

    return 0;
}
*/
//array declaration
//datatype arrayname[array_size];
int arr[3][2]={3,1,
2,3,
2,5,
    int a[3][3], b[3][3], c[3][3];
    int i, j;

    printf("Enter first 3x3 matrix:\n");
    for (i = 0; i < 3; i++)
        for (j = 0; j < 3; j++)
            scanf("%d", &a[i][j]);

    printf("Enter second 3x3 matrix:\n");
    for (i = 0; i < 3; i++)
        for (j = 0; j < 3; j++)
            scanf("%d", &b[i][j]);

    // Addition
    for (i = 0; i < 3; i++)
        for (j = 0; j < 3; j++)
            c[i][j] = a[i][j] + b[i][j];

    printf("\nResultant Matrix:\n");
    for (i = 0; i < 3; i++) {
        for (j = 0; j < 3; j++)
            printf("%d ", c[i][j]);
        printf("\n");
    }

    return 0;
};