9*9口诀程序，哪不对啊
 #include "stdio.h"
main()
 {
   int i=1;int j=1;
   int I[9];
   int J[9];
     printf("the projets is 9*9:");
     for (i=1;i<10;i++)
      printf("%d*%d=",I[i],J[j]);
     for (j=1;j<10||i<0;j++,i--)
      printf("%d*%d=",I[i],J[j]);
      getch();
      }

好呀,太感谢啦