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

void assignNumbers(int matrix[3][9]) 
{
	srand(time(NULL));
	int num[10]={0,1,2,3,4,5,6,7,8,9};
    for (int i = 0; i < 3; i++) 
	{
        for (int j = 0; j < 3; j++) 
		{
            int randomNumber = rand() % 10;
            int random=rand()%10; 
            while (matrix[i][randomNumber] != 0)
			 {
                randomNumber = rand() % 10;
             }
             while(num[random]==10)
             {
             	random=rand()%10;
			 }
            matrix[i][randomNumber] =num[random] ;
            num[random]=10;
        }
    }
}
void shuffleMatrix(int matrix[3][9])//洗牌算法 
 {
    for (int i = 2; i >= 0; i--) 
	{
        for (int j = 8; j > 0; j--) 
		{
            int row1 = i;
            int col1 = j;
            int row2 = rand() % (i + 1);
            int col2 = rand() % (j + 1);

            int temp = matrix[row1][col1];
            matrix[row1][col1] = matrix[row2][col2];
            matrix[row2][col2] = temp;
        }
    }
}
void mergeMatrices(int matrix1[3][9], int matrix2[3][9], int matrix3[3][9], int mergedMatrix[9][9]) //合并矩阵 
{
    // 复制第一个矩阵的内容到前三行
    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 9; j++) {
            mergedMatrix[i][j] = matrix1[i][j];
        }
    }

    // 复制第二个矩阵的内容到中间三行
    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 9; j++) {
            mergedMatrix[i + 3][j] = matrix2[i][j];
        }
    }

    // 复制第三个矩阵的内容到最后三行
    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 9; j++) {
            mergedMatrix[i + 6][j] = matrix3[i][j];
        }
    }
}
void print(int board[9][9])
 {
    for (int i = 0; i < 9; i++) //行 
	{
        if (i % 3 == 0 )
		 {
            printf("---------------------\n");
        }
        for (int j = 0; j < 9; j++) //列 
		{
            if (j % 3 == 0 && j != 0) 
			{
                printf("| ");
            }
            printf("%d ", board[i][j]);
        }
        printf("\n");
    }
}

int main()
{
	int merge[9][9]={0};
	int mat1[3][9]={0};
	int mat2[3][9]={0};
	int mat3[3][9]={0};
	assignNumbers(mat1);
	assignNumbers(mat2);
	assignNumbers(mat3);
	mergeMatrices(mat1,mat2,mat3,merge);
	print(merge);
	return 0;
}