#include <stdio.h>

void printSudoku(int sudoku[9][9]) {
    printf("+-------+-------+-------+\n");
    for (int i = 0; i < 9; i++) {
        if (i > 0 && i % 3 == 0) {
            printf("+-------+-------+-------+\n");
        }
        for (int j = 0; j < 9; j++) {
            if (j % 3 == 0) {
                printf("| ");
            }
            printf("%d ", sudoku[i][j]); // 输出数组中的元素
        }
        printf("|\n");
    }
    printf("+-------+-------+-------+\n");
}
//以上函数可实现数独矩阵比较美观的输出 
int main() {
    int sudoku[9][9] = {
        {1, 3, 7, 4, 2, 6, 8, 2, 1},
        {4, 0, 0, 2, 9, 5, 0, 0, 0},
        {0, 9, 8, 0, 0, 0, 0, 6, 0},
        {8, 0, 1, 0, 6, 0, 0, 0, 3},
        {4, 0, 0, 8, 0, 3, 0, 0, 1},
        {7, 0, 0, 1, 2, 0, 0, 0, 6},
        {0, 6, 0, 0, 0, 1, 2, 8, 0},
        {0, 0, 1, 4, 1, 9, 0, 0, 5},
        {0, 0, 0, 0, 8, 0, 0, 7, 9}
    };
//以上是一个举例，数字可任意修改 
   
 printSudoku(sudoku);
    return 0;
}