九宮格

 #include <stdio.h>

#include <stdlib.h>

#include <time.h>

/*

   (0,0) (0,1) (0,2)

   (1,0) (1,1) (1,2)

   (2,0) (2,1) (2,2)

   

*/

int main(int argc, char *argv[])

{

srand(time(NULL));

int i,j;

char table[3][3]={{1,2,3},{4,5,6},{7,8,9}};

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

int r=rand()%9;

printf("r=%d\n",r); 

int m=r/3;

printf("m=%d\n",m);

int n=r%3;

printf("n=%d\n",n); 

int t=table[i][j];//00 01 02 

printf("t=%d\n",t);

table[i][j]=table[m][n];

table[m][n]=t;

printf("t=%d\n",table[m][n]);

}

}

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

printf("%d",table[i][j]);

}

printf("\n");

}

return 0;

}