#include<stdio.h>
int main(){
    int n, m, num;
    
    printf("Enter the number of rows (n): ");
    scanf("%d", &n);
    printf("Enter the number of columns (m): ");
    scanf("%d", &m);
    
    printf("Enter the binary number to fill the grid (0 or 1): ");
    scanf("%d", &num);
    
    if (num != 0 && num != 1){
        printf("Invalid input\n");
        return 1;
    }
    if (n < 1 || n > 10 || m < 1 || m > 10){
}
    
    int matrix[m];
    
    printf("\nSquare matrix:\n");
    for (int i = 0; i < n; i++){
        for (int j = 0; j < m; j++){
            matrix[i][j] = num;
            printf("%d ", matrix[i][j]);
        }
        printf("\n");
}
     return 0;
}