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

// 函数用于生成数字1到9的随机排列
void shuffle(int arr[], int n) {
    if (n > 1) {
        int i;
        for (i = 0; i < n - 1; i++) {
            int j = i + rand() % (n - i);
            int temp = arr[i];
            arr[i] = arr[j];
            arr[j] = temp;
        }
    }
}
//数独矩阵比较美观的输出 
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");
}
int main() {
    // 初始化随机数生成器
    srand(time(0));

    int grid[9][9] = {0}; // 创建3x9的数组并初始化为0

    int numbers[9] = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // 创建包含数字1到9的数组

    // 随机排列数组中的数字
    shuffle(numbers, 9);

    int row, col;
    int numIndex = 0;

    // 将打乱顺序的数字填充到数组中
    for (row = 0; row < 3; row++) 
	{
    	int aa=0,bb=0,cc=0;
    	while(aa==bb||bb==cc||aa==cc)
    	{
    	aa=rand()%9;
		bb=	rand()%9;
		cc=rand()%9;
		}
            grid[row][aa] = numbers[numIndex];
            numIndex++;
                  grid[row][bb] = numbers[numIndex];
            numIndex++;
                  grid[row][cc] = numbers[numIndex];
            numIndex++;
        }
 // 随机排列数组中的数字
    shuffle(numbers, 9);

    numIndex = 0;

    // 将打乱顺序的数字填充到数组中
    for (row = 3; row < 6; row++) 
	{
    	int aa=0,bb=0,cc=0;
    	while(aa==bb||bb==cc||aa==cc)
    	{
    	aa=rand()%9;
		bb=	rand()%9;
		cc=rand()%9;
		}
            grid[row][aa] = numbers[numIndex];
            numIndex++;
                  grid[row][bb] = numbers[numIndex];
            numIndex++;
                  grid[row][cc] = numbers[numIndex];
            numIndex++;
        }
        // 随机排列数组中的数字
    shuffle(numbers, 9);


numIndex = 0;

    // 将打乱顺序的数字填充到数组中
    for (row = 6; row < 9; row++) 
	{
    	int aa=0,bb=0,cc=0;
    	while(aa==bb||bb==cc||aa==cc)
    	{
    	aa=rand()%9;
		bb=	rand()%9;
		cc=rand()%9;
		}
            grid[row][aa] = numbers[numIndex];
            numIndex++;
                  grid[row][bb] = numbers[numIndex];
            numIndex++;
                  grid[row][cc] = numbers[numIndex];
            numIndex++;
        } 
    // 打印数组
     printSudoku(grid);

    return 0;
}