sudoku_matrix/program1.c

#include <stdio.h>
#include <time.h>
#include <stdlib.h>

void dayin(int board[9][9])
{
for (int i = 0; i < 9; i++) {
        for (int j = 0; j < 9; j++) {
            printf("%d ", board[i][j]);
            if ((j + 1) % 3 == 0 && j < 8) {
                printf("| ");
            }
        }
        printf("\n");
        if ((i + 1) % 3 == 0 && i < 8) {
            printf("-----------------------\n");
        }
    }
}
int board1[9][9] = { {5,3,4,6,7,8,9,1,2},
{6,7,2,1,9,5,3,4,8},
{1,9,8,3,4,2,5,6,7},
{8,5,9,7,6,1,4,2,3},
{4,2,6,8,5,3,7,9,1},
{7,1,3,9,2,4,8,5,6},
{9,6,1,5,3,7,2,8,4},
{2,8,7,4,1,9,6,3,5},
{3,4,5,2,8,6,1,7,9} };
int main()
{
	dayin(board1);
	return 0;
}