int main (void){ int ar[N][N],arr[N][N];int i,m;printf("输入九个数.\n");for(i=0;i<N;i++)for(m=0;m<N;m++)scanf("%d",*(ar+i)+m);/*输出数组*/ for(i=0;i<N;i++){ for(m=0;m<N;m++)printf("%d ",*(*(ar+i)+m));putchar('\n');} putchar...