#include <stdio.h>
#define SQUARE_SIDE 9

int main() {

	int cells[SQUARE_SIDE][SQUARE_SIDE];
	int i;
	int j;
	int k;
	int row;
	int col;
	int val;
	
	// i counts the rows
	for(i = 0; i < SQUARE_SIDE; i++) {
		// j counts the columns
		for(j = 0; j < SQUARE_SIDE; j++) {
			cells[i][j] = 0;
		}
	}

	// Loop 81 times giving chance to enter 81 numbers
	for(i = 0; i < SQUARE_SIDE * SQUARE_SIDE; i++) {
		// draw cells
		printf("     1   2   3   4   5   6   7   8   9\n");
		printf("   -------------------------------------\n");
		for(j = 0; j < SQUARE_SIDE; j++) {
			printf("   |   |   |   |   |   |   |   |   |   |\n %d ", (j + 1));
			for(k = 0; k < SQUARE_SIDE; k++) {
				printf("| %d ", cells[j][k]);
			}
			printf("|\n   |   |   |   |   |   |   |   |   |   |\n");
			printf("   -------------------------------------\n");
		}

		printf("Row:    ");
		scanf("%d", &row);
		printf("Column: ");
		scanf("%d", &col);
		printf("Value: ");
		scanf("%d", &val);

		cells[row - 1][col - 1] = val;
	}
}