sdjz/README.md

#include <stdio.h> #include <time.h> #include <stdlib.h> int main(){

srand(time(NULL));
int board[9][9];

int i,j,b,c,x,y,z;
for(j=0;j<=8;j++)
{
	for(i=0;i<=8;i++)
	{
		board[i][j]=0;
	}
}
b=1;x=0;y=0;z=0;
while(b<=9)
{
	i=rand()%3;
	j=rand()%9;
	if (board[i][j]==0)
	{
		if(i==0&&x<3)
		{
			board[i][j]=b;
			b++;
			x++;
		}
		if(i==1&&y<3)
		{
			board[i][j]=b;
			b++;
			y++;
		}
		if(i==2&&z<3)
		{
			board[i][j]=b;
			b++;
			z++;
		}
	}
}
b=1;x=0;y=0;z=0;
while(b<=9)
{
	i=rand()%3+3;
	j=rand()%9;
	if (board[i][j]==0)
	{
		if(i==3&&x<3)
		{
			board[i][j]=b;
			b++;
			x++;
		}
		if(i==4&&y<3)
		{
			board[i][j]=b;
			b++;
			y++;
		}
		if(i==5&&z<3)
		{
			board[i][j]=b;
			b++;
			z++;
		}
	}
}
b=1;x=0;y=0;z=0;
while(b<=9)
{
	i=rand()%3+6;
	j=rand()%9;
	if (board[i][j]==0)
	{
		if(i==6&&x<3)
		{
			board[i][j]=b;
			b++;
			x++;
		}
		if(i==7&&y<3)
		{
			board[i][j]=b;
			b++;
			y++;
		}
		if(i==8&&z<3)
		{
			board[i][j]=b;
			b++;
			z++;
		}
	}
}
printf("|");
for(int i=0;i<23;i++)
{
	printf("-");
}
printf("|");
printf("\n");
for(int i=0;i<9;i++)
{
	printf("| ");
	for(int j=0;j<9;j++)
	{
	    printf("%d ",board[i][j]);
	    if(j==2||j==5||j==8)
	    {
		    printf("| ");
	    }
	}
    printf("\n");
    if((i+1)%3==0&&i!=0)
    {
	    printf("| ");
	    for(int k=1;k<23;k++)
	    {
		     printf("-");
	    }
	    printf("|");
	    printf("\n");
    }
}
return 0;

}